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Spelling APP probably :) not Ap can you not edit the title in the first post of the thread?

https://www.youtube.com/watch?v=ozL7E1YQaCM https://www.youtube.com/watch?v=vV7ABT69opA

This gentleman makes really great Generac conversions (used on powered chutes) https://www.flickr.com/photos/13761775@N00/sets/72157650487105819 For an airplane, I think a Generac (or other V-twin) can be run direct drive quite successfully. At a small loss of static trust of course. But in...

One of the biggest reasons for me to visit this forum was to read Orion's answers to various questions. When I found out about his passing (just recently) I was in shock for sure. What a loss for the aviation world. This forum will never be the same without him. (I am still here regularly of...

Mark, sorry to hear about the gear leg trouble. I had a very similar design idea in my mind and was hoping to use it in future. I am sad to see that you are abandoning this gear design. Did the failure happen in the middle of the leg? near the root? near the wheel axle? Did you taxi over any...

Mark, congrats on your progress and hope you fly it very soon! IMHO, the pins will not go into the sockets this way. They have to be inserted straight into the sockets, not along am arched trajectory. Maybe I am missing something and you have a clever design of these pins/sockets. Mark, what...

Gtex09, have you made any more progress with your project? Are you building the real 1:1 machine already or not?

Mark, is a recent experience, or a long time ago? Can you describe in more details what problems you had with it? I have always been curious myself about 1/2VW. With their claimed power up to 35 or even 40ph they ought to be just the bullet for ultralights even at 100lbs or so, but they are not...

Not exactly a SkyPup, but very close: ELECTRAVIA : Electra 1er avion électrique au monde

Mark, I am one of your devoted blog followers also. Thanks a lot for publishing your progress and wisdom bits. You mentioned future provisions for heavier engines. 1/2VW or HKS700. I assume this will not be a FAR 103 ultralight anymore then?

Mark, did he say what specifically he did not like about Verner 360 engine?

I was just trying to give you design ideas. I really liked your design and posted sketches of similar concepts for you to borrow ideas from. Like I said, you did not even look at it carefully when I posted it. If you are trying to design the most original airplane that's one thing. If you are...

Yes, you have seen it, just did not pay attention, msg #6 on the first page of this thread.

Why not put the engines on the nose, like CriCri? Or maybe on the wings?

What is the common practice regarding the above question - how to attach piano hinges to a wooden structure (elevator, rudder, aileron, etc). The two most obvious alternatives in my mind (not necessarily applicable to aircraft) are 1) bolts and nuts, 2) wood screws. Rivets seem to be out of...

Why not $2000? or $1000? that would be even more ideal. If you are talking about buying a commercially built UL or even a kit for $3000, you need to send your money to Doug Hart, although that may be difficult now that he is charged with fraud. That amount of money is not enough to even buy raw...

Mark, have you seen this engine: http://www.flydiver.com/MISC/Brochures/BROCHUREJCV-360.pdf VM133MK Specifications and Features http://www.flydiver.com/Images/JCV-360/DSCN1569.jpg http://www.flydiver.com/MISC/Brochures/JCV360drawing.pdf A little expensive, but since you are already looking at...

It is essential to have the"wheel" be able to roll forward freely and resist the sidewise motion during take-offs. Good designs have a locking tailwheel that can be fixed in the straight position for take-off. If you do not use a wheel, it is best to not use a slippery material. You will incur...

[/LIST] I think it can be converted back to S-LSA now with the new rule. The owner must have done all required safety fixes that the manufacturer "prescribed" for S-LSA, and it must be inspected of course. I may be wrong of course...

If 8 minutes is quick enough for you, then this is what you are thinking about. It does not get any more practical and effective than this. http://www.youtube.com/watch?v=lPTnNUXCxhg