Hirth 2702 fuel consumption. 8 psi Engine weight without exhaust System 31kg / 70.

Hirth 2702 fuel consumption. I have had no major issues and have had the prompt and informative service that has made life allot easier with all my projects. The Hirth 2702 is ideal for single seat ultralight aircraft. 5 ft Wing area: 148. I pulled the throttle back to around 4400 rpm for most of my flight, cruising at 124 mph, and used only 4 gallons per hour. Jan 19, 2025 · Hirth 2702 The Hirth 2702 and 2703 are a family of in-line twin cylinder, two stroke, carburetted aircraft engines designed for use on ultralight aircraft and especially two seat ultralight trainers, single seat gyrocopters, and small homebuilts. Dec 18, 2021 · Re: Which Engine Type? by mrpilotron » Mon Feb 21, 2022 9:46 pm If you can afford the weight and the CG works out, the 2 cylinder Hirth looks like a fantastic option. The use of a fan belt other than that supplied by Hirth, a loose, or damaged fan belt. So far, HIRTH engines in the Challengers have been almost trouble free. 29:1 reduction spinning a 62 inch two-blade Powerfin prop. Hirth 3203 ultralight aircraft engine. I,m building the 1600 max and am trying to decide on the Hirth 2702 or the 1/2 v. I know that I am biased, but I believe I would be hard pressed to find an airframe/engine combination that offers so much for so little. fuel injection system, recoil starter with oil injection, gearbox G50 2. 1Engine Does Not Start or is Difficult to Start Cause: Lack of fuel Solution: Insure fuel switch is on Insure fuel filter is clean Insure that fuel is in the tank Cause: Defective or discharged battery Solution: Replace battery Charge the battery Cause: Lack of compression on one or both cylinders, due to a loose spark plug or a defective piston, piston ring, cylinder at maximum performance). Hirth Engines is globally recognized for its innovative 2-stroke engines, offering unmatched engineering solutions and industry-leading performance. Fan - check condition and fastening 6. Ultralight Aircraft News Web Magazine Covering the World of Ultralight Aviation . All of the Hirth two cylinderengines use a The Hirth 2702 and 2703 are a family of in-line twin cylinder, two stroke, carburetted aircraft engines designed for use on ultralight aircraft and especially t Skip the cable setup & start watching YouTube TV today for free. Observe the following points: 1. The data for a 40 hp Hirth 2702 engine was also used in one of the series hybrid architectures that will be discussed later is also shown in Fig. Works up to 3000rpm Find out all of the information about the HIRTH ENGINES GMBH product: 50 - 100hp piston engine 3503. All of the Hirth two cylinderengines use a We use Viton crank shaft seals & O-Rings for Rotax & Hirth that Never leak! Double your Rotax 2-cycle T. 2704 engine pdf manual download. By 1987, Hirth were a quiet little shed across the valley from a huge outfit called Bombadier (Rotax), and had not much of a reputation in ultralight use. Fuel economy is 2. See relevant content for paramotorengines. sorting out the fuel, oil and electrics. Fan belt - check condition and belt 7. 3The engine?s fuel system and fuel supply The engine?s fuel supply is provided by a Mikuni diaphragm pump (Figure 2. Fan housing - check condition and installation 5. He reports good power, good fuel economy but a persistent vibration that he has not been able Hirth 2706 aircraft engine manual The engine is a Hirth 2702 40 hp two stroke. 00 Euro - I have a write up from Hirth with a write up on if/when to go with this option. Additional monitoring of fuel pressure by means of a fuel pressure gauge may also be considered. com/ Aventura UL 447-2702 Feb 4, 2018 · Hirth 2702 going on an Ison Airbike. 2010 Hov Aire Dr, Three Rivers, MI 49093(616)-610-6597 Based on the well-known hirth engine desgin – which have been proven in several missons – the new 42 Series have been updated with the latest in engine technology providing a top shelf propulsion system that meets the demanding requirements of the unmanned aerial vehicle (UAV) market. Wiring is a slow process especially when your doing it from scratch lol It’s a lot of fun though. One such suitable gauge is manufactured by Westach and is available for pressure of 16psi and 80psi. Ive templated a 350 x 225 mm intermediate engine mounting plate, but Hirth states to make The Hirth 2707er08 2706 65hp engine boasts a displacement of 1763cc and a bore x stroke of 96 x 90 mm, delivering a maximum power output of 65 horsepower at 6200 RPM. 3Inspecting the fuel lines Check the fuel lines between fuel ? diaphragm pump, carburettors and fuel tank for leakages and/or other Solution: Clean or replace filter Cause: Dirty fuel filter Solution: Clean or replace the fuel filter Cause: Fuel mixture has too much oil in the gasoline Solution: Empty tank and fill with fuel of the proper mixture Cause: Incorrect adjustment of carburettors, butterfly valve not fully open Solution: Adjust butterfly valve accordingly Cause: One of the two E-Box circuitry is defective Please join our group and share your problems, successes, tips, concerns, photos and insights with other Hirth Flyers! As mentioned previously, it is recommended to maintain a constant fuel pressure under all conditions. 9 sq. The 2703 was developed as a competitor to the 50 hp (37 kW) Rotax 503 and is similar… The 23 Series is an air-cooled two-stroke engine, perfectly suited for light aviation devices with a weight limit of up to 120 kg. Model: 2702 Details on the HIRTH 2702 aircraft engine, based on current FAA records. Mar 6, 2018 · [Quick Owners] Re: Hirth motor1 - 4 of 4 1 Air fuel mixture too lean Air fuel mixture too rich Changes in density altitude Changes in relative humidity Changes in air temperature Pre-ignition or detonation Fault spark plug or ignition system Improper prop load Poor quality or grade of fuel Improper fuel air ratio, plugged main jet, failed needle jet, or clip exit the engine. Nov 6, 2005 · Does anyone have a thought about the Hirth 2702, MZ201, Rotax 447, or anyother engine for a BEE? Rotax TBO 300 hrs. The extra cost for the fuel injected version still looks like a dollar store bargain compared to what a new Rotax costs in the 2 seaters that everybody is building. The two stroke the case is part of the fuel system so after 3 years of sitting that engine needs rebuilt. They also like the lighter weight, extra power and fuel economy of the HIRTH. The airframe is all aluminium sheet metal with a steel undercarriage. L'il Hustler's Ultralight News 92 River Road Covering the World of Ultralight Aviation Click here to go to the Ultralight News The thermocouple produces a small voltage which to work properly requires good continuity to reach the instrument The thermocouple, which is available in two different sizes depending on the spark plug used - is mounted under the spark plug, and replaces the spark plug washer. Johnstown, OH 43031 740-644-4690 INSURE THAT FUEL IS MIXED IN THE CORRECT GAS/OIL RATIO. This high-performance liquid-cooled engine delivers an exceptional power-to-weight ratio and an extended operational range in even the most challenging conditions. MTOW 235kg Construction: Main supporting structure - metal. This engine series offer a time between overhauls of 1000 hours at 75% power and is fit to take on any challenge in ARNET PEREYRAhttp://www. The part finder helps find the right spark plug via the arrticle numbers. Recommendation: If you have a preference for internal combustion engines and are looking for an ultralight engine with sufficient power, the 2704r08est Ultralight Engine by Hirth is a good choice. Hirth 2702 Mikuni carb adjustment This thread currently has 304 views. 0. Contact a supplier or the parent company directly to get a quote or to find out a price or your closest point of sale. 1-1) of Göbler-Hirthmotoren KG is a two cylinder in-line two-stroke engine Download Read Online fresh breeze paramotor fresh breeze solo 210 paramotor GH F33 BDA. Known for precision and reliability, Jun 24, 2017 · Have you considered a Hirth engine? Their design philosophy in 1999 reveals much about the path the ultralight two stroke engine industry has taken. Mar 20, 2005 · I've been reading the spec sheets on both the Rotax 447 and the Hirth 2702 and the Hirth comes off with more HP and better torque figures. Hirth F 23 ultralight aircraft engine. 33 lbs 3. Insufficient cooling due to air intake design. 1/1 7 4 Serrated lock washer 053. Mar 22, 2019 · Many pilots of Quad City Challengers favor the HIRTH 2703 for its electric starter neatly tucked beside the engine instead of protruding forward. Hirth Engines is an industry-leading developer of advanced two-stroke engines for UAVs, serving the drone industry for over 30 years. It sets a benchmark in the 50-horsepower market, offering an outstanding power-to-weight ratio combined with unparalleled performance and reliability. The 2302 engine from the 23 Series is a high-efficiency, air-cooled two-stroke engine designed specifically for ultralight aviation applications. That is also a practical realization of the military logistical concept of using a "single fuel in the battlefield". This engine can handle any part 103 ultralight and most single seat experimental aircraft. The 2704 is 50HP with a 5000RPM redline. SD-1 is available in tail-wheel, tri-gear, tri-gear controllable versions, with different canopies, BRS and five different engines. The 3507 Heavy Fuel Engine is a water-cooled, reed valve-controlled, 2-cylinder inline, 2-stroke engine featuring advanced air-assisted direct injection. Good day, does anybody know the specs and/or supplier of these rubber engine mounts for a Hirth 2702 engine ? best regards, carl All Hirth engines come complete with carb (s), exhaust manifold (s), electric starter, alternator, rectifier, starter relay, air filter (s), fuel pump, ignition system, manuals, and one year warranty. 1Overview The 2702 engine (Figure 1. Asking $2300. Designation Part No. Pre-ignition or detonation, caused by old fuel, improper octane, ignition timing. REMOVE THE FUEL FROM THE CARBURETOR BOWLS AND FUEL TANK WHENEVER THE ENGINE IS NOT Jan 14, 2014 · Hirth - back in 1917, Hirth were working on contra-rotating rotarys (from memory), with astonishing power to weight ratios etc - real innovators in the aero engine field. Move the throttle lever into a fast idle position. com: Even though the 2702 was discontinued it is still fully supported. Hirth 2702 2 cycle 40hp S pecial design-High Torque/Low Rpm Engine. all with a total weight of only 87 Ibs. : 07144-8551-0, Fax: 07144-5415 Leading in the automotive industry, NGK spark plugs are available for virtually every type of engine – cars, motorcycles, marine applications, small engines and power tools. Quant. Increased compression ratio> SibAero 2R-i (Aleks Pisman) 30 hp at 8,500rpm. It is manufactured by Hirth of Germany. Click here for this months specials! Hirth 2702 ultralight aircraft engine. 6Installation The Hirth 2702 and 2703 are a family of in-line twin cylinder, two stroke, carburetted aircraft engines designed for use on ultralight aircraft and especially two seat ultralight trainers, single seat gyrocopters, and small homebuilts. If the engine is warm or hot do not engage the choke. I will post out on my Forum once testing completes. 59:1 Looking for offers +9 Михаил Бодров and 4 others 󰍸 5 󰤦 6 󰤧 Levi Duff 4d󰞋󱟠 󰟝 I have a challenger 1 project that came with a Hirth Hirth 2702, Hirth 3202, Hirth 3203, Hirth F 23, Hirth F 30, Hirth F30 ES, Hirth F 33 aircraft engines. NORTHERN PARTS & RECREATION. Any advise or suggestions would be greatly appreciated. No. Ablocked fan intake duct, or blocked cylinder head fins. Oct 17, 2018 · Need input on mounting my 2702 on the Spectrum Beaver baseplate. 3-1) that is driven by pressure Jun 19, 2025 · PART - Hirth ultralight aircraft engines factory installation and setup manual covering the F22, F23, F30, 263, 2702 AND 2703 engines. Air filter - check condition and installation 2. about 8 hrs. com Does anyone have a Hirth regulator for a 2702 they would sale? I need one for my 103. Dual Ignition is a system for spark-ignition engines, whereby critical ignition components, such as spark plugs and magnetos, are duplicated. The aircraft incredibly fuel efficient and can provide comfortable touring experience thanks to comfortable cruise speed (90-100mph) and baggage compartment. Cancel anytime. Includes written warranty, manufacturers specification inspection, de-carbon, fuel system, reduction unit & exhaust system & A&P log Entry. It is further recommended during operation to monitor the fuel pressure. It costs more to build an engine when you use the best technology and materials available but in the long run you will find that Hirth is the better value. I installed a Grand Rapids EIS for all engine instrumentation and used standard 3 1/8 inch steam gauges for airspeed and altimeter. A lot of Hirth 2702 / 3202 Valley Engineering 4-Stroke Hirth 2702 / 3202 40 HP Hirth 2702 and 50 HP Hirth 3202 engines are utilized on single seat applications. OT (at 2000 rpm) 0 Carburation 1 Mikuni VM 34-389-1, 1 Air filter Cooling Fan Cooling, directly driven via flat belts Mixing 1:50 Fuel Premium unleaded, 95 Octane Two Stroke oil Branded two stroke oil for hot (air-cooled) engines Cylinder head temperature Max 280C/536F 00 Exhaust gas temperature max 680C/1256F 00 Fuel pressure min. Built on the foundation of the world-renowned 4103 engine, which has completed over 20,000 missions worldwide, the updated 41 Series integrates the latest advancements in engine technology. (Insect nesting, mice etc. 10, D-71726 Benningen Tel. Parting out Complete Aircraft Engine. Includes bottom end, both cylinders and pistons one is bad. Note: The consumption of oil is strongly influenced by the fuel setting. Plus the Hirth has dual ignition. comContent blocked Please turn off your ad blocker. The Hirth HM 501 was a 6-cylinder air-cooled inverted in-line engine that was developed by Hirth Motoren GmbH in the late 1930s, from the 4-cylinder HM 500 and used principally on the submarine-born Arado Ar 231. O ers an ideal choice for use in light and ultralight aviation, hovercraft, gyro and helicopters Engines of this type, characterized by low weight and low value of specific fuel consumption, are used among others for the propulsion of drones (Unmanned Aerial Vehicles – UAV), where range and endurance are essential parameters. Ignition system - check condition, fastening, and connections 4. 2 of 31 Operator's Manual Engine Model 2702 Read this operator's manual thoroughly before putting the engine into operation for the first time and comply The 42 Series air-cooled two-stroke engines are the ultimate solution for UAV propulsion systems, offering advanced closed-loop control for optimized performance in extreme environmental conditions. Hirth is a bit vague on the specifics. Aug 16, 2020 · series) Fuel consumption @75% 4. 8/6 8 4 Cylinder screw DIN 912 M6x60 Md=9,6-11 Nm 9 2 Washer Julian mit dem Hirth 2702 - Single-VergaserLive TV from 100+ channels. Hirth has a good write up about its engine, but I havnt talked to anyone who has run it for a long time nor the MZ 201. Jul 19, 2023 · What fuel economy gains can I expect? On average SmartCarb users should expect a 30% increase in fuel economy compared to the stock fuel system in the same conditions (riding style, speed, terrain, elevation, etc). The SKELDAR V-200, powered by Hirth Engines’ 35HF, has flown extensive missions around the globe and is becoming the leading platform for navies the world over. They also use the same belt drive and ignition system. Known for precision and reliability, The 42 Series air-cooled two-stroke engines are engineered with advanced closed-loop control systems, delivering optimal performance in even the most challenging environmental conditions. F-23 engine pdf manual download. Dual ignition is most commonly employed on aero engines, [1] [2] and is The Freedom 28 won Grand Champion Reserve at Oshkosh 1986 and was still available in 1996. $2400 labor + parts. Hirth TBO 1000 hrs. Derived from the trusted 4201 gasoline engine, the JET-A1-compatible version has proven its durability and reliability in extensive endurance testing. Further, Chuck believes Kawasaki 440s are in ample supply. 10, Germany-71726 Benningen. I have found that with proper care and maintenance, Hirth engines are high quality 2 stroke engines that are 26 of 36 GH 2702 ET Chapter 11 2 Fig. Hirth 2706 65hp. 3-1) that is driven by pressure Gobler-Hirth Motoren KG contact details and business overview The Hirth 2702 and 2703 are a family of in-line twin cylinder, two stroke, carburetted aircraft engines designed for use on ultralight aircraft and especially t Jul 16, 2025 · PART - Hirth ultralight aircraft engines factory owners, operators, maintenance manual covering the F22, F23, F30, 263, 2702 AND 2703 engines. So as long as they keep making the F-23 there will always be parts However, potential buyers should consider the engine's limited availability, fuel consumption, and noise level before making a decision. View and Download Hirth F-23 operator's manual online. Oil injected Beta customers can expect a 40% increase in fuel economy. Hirth 2702 Type: in-line engine Cylinders: 2 Displacement: 625cc Power at 6300 rpm: 65 HP Cooling: fan cooling Weight: 31 kg Starting Method: recoil (pull) start Type: in-line engine with slide carburetor Cylinders: 2 Displacement: 521cc Power at 5500 rpm: 40 HP Cooling: fan cooling Weight: 31 kg Starting Method: recoil (pull) start The more advanced the timing, the more combustion occurs and thus hotter temps but also more HP and more complete fuel burn. the engine is noted for its extremely light base weight of 35 lb (16 kg). 12-14 l/h (3. ft Fuel capacity: 24 USG Empty weight: 305 lb Gross weight: 790 lb Top speed: 90 mph Cruise: 85 mph Stall: 27 mph Rate of climb: 1200 fpm Takeoff dist: 35 ft Landing dist: 40 ft Seats: 1 Landing gear: tri Sandpiper XP-2 Top speed: 85 mph Testimonials “I have used 7 Hirth engines ranging from 40 to 100 HP” "I have used 7 Hirth engines ranging from 40 to 100 HP over the last 14 years. possibly from Hummel if I can get it allready built. Built for performance and reliability, the 2302 engine stands out in the 50 Hirth 2702 aircraft engine parts list. I bought a Wapsi Aero regulator and it’s not playing nice with the GRT EIS for tach signal. [1][2][3][4] Aug 7, 2010 · We would like to show you a description here but the site won’t allow us. Specifically which screws and pictures are important. Getting closer all the time. A rich fuel/air mixture which can be caused by improper jetting, clogged air filter, improper prop setting, will generally show up as a cooler temperature. 88lbs Weight of exhaust system 6 kg / 7. 4GPH in a single seat FAR 103 legal UL, and 2 Hirth Engines is globally recognized for its innovative 2-stroke engines, offering unmatched engineering solutions and industry-leading performance. w. Dual ignition Dual ignition Dual ignition A Hirth 2702 twin-cylinder, two-stroke aircraft engine. Will let you know if it goes 1000 hrs without a rebuild, but at 250 hrs it still looks brand new both inside and out. Jan 19, 2025 · The Hirth F-263 is a twin cylinder, in-line, two stroke, carburetted aircraft engine that was designed for use on ultralight aircraft. The engine has a 1000 hour rating before overhaul. This high-performance Hirth F 23 and 2702 with new lighter weight belt drive system. 29 gear reduction, exhuast, fuel pump. 00 Hirth 2704 aircraft engine manual Jan 30, 2024 · Hirth 2706 65hp. Perfectly suited for aircraft and aerial devices weighing up to 120 kg, it delivers an impressive 50 horsepower, setting new benchmarks in the power-to-weight ratio category. 2. Mixing 1:50 Fuel Premium unleaded, 95 Octane Two Stroke oil Branded two stroke oil for hot (air-cooled) engines Cylinder head temperature Max 280C/536F 00 Exhaust gas temperature max 680C/1256F 00 Fuel pressure min. When engine installation is not carried out by Göbler-Hirth Engines, there are sometimes problems, such as insufficient flow of cool air, a fuel tank installed too low for ascending and descending flight/uphill and downhill driving, and it is absolutely necessary for secure engine operation that the cylinder head temperature, exhaust gas Mar 8, 2007 · Hirth 2702 on the prototype (including its belt reduction drive plus exhaust). With a time between overhauls of 600 hours, this engine series ensures consistent operation, making it a trusted Hirth 2702 aircraft engine manual. You may link to these pages or print them out for your own personal use, but no part of this publication may be copied or distributed, transmitted, transcribed, stored in a retrieval system, or translated into any human or computer Where do I find instructions for hirth 2702 idle mixture adjustment and cruise mixture adjustments. The 41 Series air-cooled two-stroke engines are designed with advanced closed-loop control, delivering exceptional performance even in the most extreme environmental conditions. Built on Hirth’s globally trusted engine design—proven in countless UAV missions —the updated 42 Series integrates the latest in UAV engine technology, delivering a high-performance Provide Brand New Hirth 3503 Dual Carb Electric Start Aircraft Engine with International Warranty The Hirth F-23 is a twin cylinder, horizontally-opposed, two stroke, carburetted or optionally fuel injected aircraft engine designed for use on ultralight aircraft. The 2703 has the same bore and stroke as the rotax 503, the more advanced timing is why it runs hotter than a rotax, produces more power and at the same time uses less fuel. 1. Why mess with a different brand of engine when we have the well-supported Rotax brand readily View and Download Hirth 2704 service manual online. The F-23 engine uses the same pistons, cylinders, heads, and crank parts so all those are still in production. Valdo Kool and 219 others 󰍸 220 The 3507 Heavy Fuel Engine is a water-cooled, reed valve-controlled, 2-cylinder inline, 2-stroke engine featuring advanced air-assisted direct injection. 5:1 HP Output: 65hp @ 6300rpm Torque: 55ftlbs @ 6000rpm Ignition: Dual CDI (Capacitive digital Ign. 3 bar / 5. My experiences with this engine during the early days of Flightstar ultralights and JetWing trikes were positive. Gobler-Hirthmotoren KG. Hirth F 23 and 2702 with new lighter weight belt drive system. 9 The Hirth F-23 is a twin cylinder, horizontally-opposed, two stroke, carburetted or optionally fuel injected aircraft engine designed for use on ultralight aircraft. 90 kg Static thrust with 1,4 m propeller 16 kg, typical weight in pusher configuration, The Hirth HM 506 was a six-cylinder air-cooled inverted inline engine that was developed from the earlier four-cylinder HM 504. Remark 1 1 Intake manifold 277 A8 2 1 Gasket 277 A2 3 2 Gasket 277 D7 4 1 Shield plate 277 L1 5 1 Isolation plate 277 D3 6 1 Flange 078. The 35 Series liquid cooled two-stroke engines offer the maximum power-to-weight ratios available in the 70-horsepower market. at only 4500 rpm. Sep 16, 2025 · Aircraft Engines Manufactured by HIRTH This page provides detailed specifications, including engine type, horsepower, thrust, and registered aircraft data for each engine model. The Hirth 2702 and 2703 are a family of in-line twin cylinder, two stroke, carburetted aircraft engines designed for use on ultralight aircraft and especially two seat ultralight trainers, single seat gyrocopters, and small homebuilts. A too lean mixture can be caused by an air leak or fuel blockage, can result in overheating and engine seizure. 7 [31,32]. The use of chrome moly steel crankshafts insures long life with little chance of failure. www. The Hirth F-33 is a single cylinder, two stroke, carburetted aircraft engine designed for use on ultralight aircraft, including powered paragliders and ultralight trikes. The HM 506 was a popular engine for light aircraft of the 1930s to 1940s and powered the Bücker Bü 133A model trainer. The latest innovation in the series, the 4202 Heavy Fuel Engine, leads the 15-horsepower class with an exceptional power-to-weight ratio and unmatched performance. $900-$1100 labor + parts. 8 psi Engine weight without Jan 18, 2020 · My Hirth 2702 - 60% throttle fly bystayed down low in the mildly bumpy air. . Service Manual. Engine Type:2 cycle, two cylinderHorsepower:40hp This gives Hirths good fuel efficiency and a very clean oil burn. Like it's big brother, the 3202 it's a low RPM powerhouse, at an incredible 5500 rpm this little engine is producing 40hp and it's pumping out 39ft/lbs of torque at only 4500 rpm. How will the SmartCarb affect power delivery? INSURE THAT FUEL IS MIXED IN THE CORRECT GAS/OIL RATIO. Under any circumstances I will be using the Rotax since the Gyrobee was The aircraft incredibly fuel efficient and can provide comfortable touring experience thanks to comfortable cruise speed (90-100mph) and baggage compartment. If you prefer an opposed cylinder engine, then this one's for you. Great condition. Can't speak for the 2SI, but I've been running a Hirth 2704 for two years now without any problems. Starter - check condition and installation 3. Gobler-Hirthmotoren KG, Max-Eyth-Str. Kevin Edwardes and 123 others 󰍸 124 󰤦 20 󰤧 3 Information on the HIRTH 2702 aircraft engine. of torque at 4500 rpm. Composite carbon Operator's Manual Engine 2702 Göbler-Hirthmotoren KG, Max-Eyth-Str. O. 5:1 reduction on a 485 pound gross RW-2 that I fly has nothing superfluous like a tach, fuel gauge, or flow meter, just two CHT and two EGT needles in a single gauge. 8 l/h TBO: 1000 h (increase expected) SE-33 XP (35hp) Ported heads. Dec 9, 2016 · The Hirth F-23 with 2. Hirth 3203 2 cycle 65hp Engines Model: 3203 Engine Type: 2 cycle, two cylinder Bore: 76mm Stroke: 69mm Displacement: 625cc Compression: 9. Hirth engine, Hirth 2702, Hirth 2702 2 cycle 40hp ultralight aircraft engine. Description Part No. I have a Hirth 2702 with 1:2. Perfect for UAV propulsion systems, these lightweight engines are built to excel where reliability and power matter most. Find out all of the information about the HIRTH ENGINES GMBH product: 50 - 100hp piston engine 35HF. The engine featured a cast magnesium alloy crankcase. But I don't see much hype regarding the 2702. Hirth 3202 ultralight aircraft engine. 8878 Harmony Church Rd. Secure the fuel supply (fill the tank, open the fuel cock,) If the engine is cold, engage the choke (s). View more detailed information 2702 2 cycle 40hp The 2702 is our small high torque low RPM engine. ) Carburation: Dual 34mm slide or optional electronic fuel injection Fuel Pump: Auxiliary external pneumatic / electric pump with fuel injection Lubrication Apr 3, 2025 · Engine: Hirth 2702, 35 hp HP range: 35-80 Height: 8 ft Length: 16 ft Wing span: 26. sea-plane. Base price in 2000 was US$2300 but the engine was discontinued about 2001. 3The engine?s fuel system and fuel supply9 2. 69 gal/hr) Service ceiling about 4000 m / 13123 ft Fuel Injection option 2000. The F- 23 puts out an amazing 45hp at only 5500 rpm and provides 40ft/lbs. Ignition Timing 16v. recpower. The Hirth 2704 and 2706 are a family of in-line twin cylinder, two stroke, carburetted aircraft engines, with optional fuel injection, designed for use on ultralight aircraft and especially two seat ultralight trainers, single seat gyrocopters and small homebuilts. If the engine is operated with various loads the oil consumption may vary also. Rotax & Hirth 2-cycles approx. Thx Ultra Sport Helicopter's with Hirth F-23 engine. I run the EIS and radio off of a small battery installed behind the seat. View and Download Gobler-Hirthmotoren KG 3503 operator's manual online. [1][2][3][4] Nov 22, 2024 · The Hirth 2702 and 2703 are a family of in-line twin cylinder, two stroke, carburetted aircraft engines designed for use on ultralight aircraft and especially two seat ultralight trainers, single seat gyrocopters, and small homebuilts. Engineered with a meticulously proven heavy fuel two-stroke engine, the V-200 boasts endurance; rapid maintenance turnaround; and the ability to integrate into land or sea-based command and control centres. Lack of fuel pressure will lean the fuel mixture and lead to a loss of performance and cause the engine to fail. 4The operation of the single carburettor. 912, 914 series approx. The latest innovation in the series, the 4202 Heavy Fuel Engine, leads the 15 When engine installation is not carried out by Göbler-Hirth Engines, there are sometimes problems, such as insufficient flow of cool air, a fuel tank installed too low for ascending and descending flight/uphill and downhill driving, and it is absolutely necessary for secure engine operation that the cylinder head temperature, exhaust gas The thermocouple produces a small voltage which to work properly requires good continuity to reach the instrument The thermocouple, which is available in two different sizes depending on the spark plug used - is mounted under the spark plug, and replaces the spark plug washer. REMOVE THE FUEL FROM THE CARBURETOR BOWLS AND FUEL TANK WHENEVER THE ENGINE IS NOT 2. 10Trouble Shooting 10. No one with Cheetah experience at our museum (the Wright and Pratt guys just peer at it and go "that's kinda odd" and walk away, ignoring our offers of gaining valuable experience from working on a British round engine) so will undoubtedly have many questions in the near future. The 2702 produces 40 hp at only 5500 rpm while building an impressive torque of 39 ft lbs. No cable box or long-term contract required. Apr 25, 2024 · Hirth 2702 - 2 smokers - Eagler's NestI received the following information from RecPower. Offers an ideal choice for use in light and ultralight aviation, hovercraft, gyro and helicopters and all applications where weight could be an issue. of bench time. B. 59:1 Looking for offers +9 Михаил Бодров and 4 others 󰍸 5 󰤦 3 󰤧 Michele Rubini Jun 3, 2024󰞋󱟠 󰟝 1Description of the Engine, Mounting Instructions and Technical Data 1. 1 to 3. fuel consumption approx. The Hirth Gyrocopter Ultralight 2702 fan-cooled engine with G50 gearbox is a powerful and reliable option for gyrocopter owners who are looking for high performance and durability. Equipped with dual ignition, the photo shows the two spark plugs per cylinder. MZ201 TBO 500 hrs. Rotax recommends OH every 300 hours (with a decarboning at 150) and every 5 years. 8 psi Engine weight without exhaust System 31kg / 70. The fuel injection system, combined with a high-performance electronic ignition, ensures smooth and efficient combustion, resulting in reduced fuel consumption and emissions. I know the temps I am looking for. It's a good, solid, reliable engine that so far has lived up to the hype. 3503 engine pdf manual download. Top speed: 86 mphCruise: 76 mphStall: 27 mphRange: 138 smRate of climb: 950 fpmTakeoff dist: 150 ftLanding dist: 150 ftService ceiling: 20,500 ftEngine: Hirth 2702, 40 hpHP range: 28-42… Before operating the engine, a thorough daily inspection should be carried out. Then save $23/month for 2 mos. The gear box is a 2. Apr 1, 2005 · We have a guy testing a Hirth on his Challenger in Missouri. Operating in an RPM range 1000 Rpm less than conventional 2 cycles results in a very smooth and quiet running engine with impressive power. Hirth liquid cooled twin and three cylinder aircraft engines now available in high torque, low rpm versions. ). Comment Fig. smxs hnd mnlf aunvlzdk mkkpwu mvcqo itkgiip uger ztav ohwmwp