Michael's AIR BIKE Tandem

HIRTH 3203 ENGINE DATA

https://www.youtube.com/watch?v=i56qH6ihdzA

This record is for the data that I have been gathering on engines for this build. My preference would be for a 4-stroke type engine but that effort has been rather scarry in terms of weight & cost. So I have been taking a much closer look at the Hirth line of aircraft engines. The Hirth 3203E08H appears to be a prime choice for now. I have found this link:

https://www.affordaplanestore.com/products/hirth-23-series-engine-f23v28cl-dual-ignition-system-slide-carburetor-and-electrical-starter-copy?srsltid=AfmBOoqxOF-gsve0tS-ZRS-6-bTr5BrTj14WrzFsHGeZdBDIWROTcArv

Engine Technical Specification are: (3203): 47,8 kW (65 HP) at 6300 rpm Peak Torque 73,1Nm (52,6 lb./ft) at 6000 rpm 377mm (length) / 383mm (height) /587mm (wide) 14,8” (length) /14,8” (height) / 17,7”(wide) Engine weight excluding Exhaust System 31 kg (68,3 lbs.) including a 250W Generator 

3203E08H Dual ignition forced air cooled system, Fuel Injection and Electrical & Recoil Starter which leaves one with both options to start the engine either electric or hand pull in the event the starter quits. The fuel injection system is sweet as it eliminates the carburetor's and the needles and needle jet / assemblies and all the hassle of that type of fuel system related to changes in density altitude, barometric pressure and temperature changes all of which we have here in the mountains of interior Alaska. Now to see if I can find a dealer and the costs of this beast. The prop reduction gearbox needs to be added to the weight as well and the correct reduction ratios too.

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