mm4440's latest activity

Engine certification for smaller companies is often a recipe for bankruptcy and long delays in getting into production but it seems they...

Horizontal stabilizer airfoil design is talked about...

Bou BorgWarner marine trans had bolt on reduction units that would go on the back of the FNR part of the trans. Bought many years ago...

Lower altitudes reduced fighting the jet stream headwinds too.

If you have an engine go out at 35k you have some time to descend and restart.

O-235 for the Zenith? Better engine, more power for a little weight increase.

Perfect! If you can get any news about RF4UL it would be interesting for many of us ;)

I was clearing out stuff from old Airventures and look what surfaced.

Still think double side sticks is a viable idea. You can use both hands, put your knee against either side to switch hands. I built a...

There have been LS based V-16s built. Caddie had one in a show car: 1000hp.

The Fiat AS6 V-24 was derived from the concept of two V12 engines joined together, though sharing a common crankcase so not really 2...

Originally designed by Weslake in England. Three throw crank so cylinders are inline and very good balance.

VB is correct that a centerline twin would be the best configuration for handling and min drag. Safety and pilot comfort sandwiched...

Porsche used one on their aircraft engine.

Yes, it can be done. Heck it is already done by several outfits selling PSRU to customers running LS3's in airboats. Nothing magic about...