engine selection

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  1. W

    Model DI 2 stroke project.

    This thread is for designing a small direct injection 2 stroke engine, in a way that can be mass produced as a sale able item, by a member corporation I am forming soon. Objectives in terms of most important. 1. low toxic emissions 2. sound tolerance 3. fair lifetime cost 4. compact size 5...
  2. T

    Help a newbie get his head around STOL engine options...

    Hi everyone. Been lurking a while... Peat this point I decided I will attempt to build a STOL from a commercial kit. Something like a Highlander or Zenith or similar. I'm most interested in short takeoffs and landings... The ability to land on a postage stamp is terribly exciting to me. As long...
  3. A

    Continental O 200-D Lightweight engine

    I was researching an alternative to the A-65 Continental when I ran across the light weight O-200D. Does anyone have details about the Continental O-200D? I am curious if 176 lbs dry weight I read somewhere includes the magnetos and carburetor. This seems comparable to our A-65 with no electric...
  4. D

    Gyrocopter engines newbie question

    Hello. Im new here. I'm not planning to build anything yet. Just learning. And somehow it feels right to learn from those who know by asking lots of possibly silly questions. Trying to figure out how to determine appropriate engine choices. So far I learned that weight to power ratio is...
  5. parkert51

    New Engine

    I have an opportunity to acquire an engine company and everything to assemble said engines. I own part interest in a foundry currently so having castings done isnt a problem. I have a machine shop at my disposal and a warehouse for the assembly shop. This is a 4 stroke 2 cylinder making 80hp...
  6. cluttonfred

    Anyone familiar with the Lycoming IO-360L?

    Looking at engine specs on the Lycoming site, I came across this model: MODEL IO-360-L COMPRESSION RATIO 8.50:1 HP 160 RPM 2,400 TBO 2,000 HEIGHT 24.84 (IN) WIDTH 33.37 (IN) LENGTH 29.81 (IN) DRY WT 278 (LBS) REMARKS Dynafocal Mounts Weight and power are down in IO-320 range, but at a modest...
  7. F

    First build advice.

    Howdy. I'm working on my first plane build right now, and have a couple questions. First off, the material is 4130 tube, but what diameter should be used for the fuselage? Wing? For the engine I'm thinking of the 30hp Briggs unit. I saw the 22 horse version on a similar plane, and the guy said...
  8. H

    Which engine to use???

    hi , i am working on an project on ultralight single seater aircraft , i am totally new to this field the design goals include total weight to be 570 lbs (350 empty wt+220payload) i want to optimize it for loitering not range and max altitude would be less than 5000 ft , the problem is i cannot...
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