Jay, Ive done vertical CofG calculations on race cars the same way. Unfortunately I don’t have a physical aircraft to work from, just some empirical data and calculations. I feel reasonably

You did indeed! And it was helpful. But there is still some doubt about the datum’s. I’m going to try some things to see if I can get some better guidance. Ian

Yes, exactly! The inconsistencies are difficult to navigate!

I just posted it a couple of days ago: Revmaster and O-200 Thrust Lines. Still an open question on the inclusive vs. exclusive of fuselage thickness until I get out to the hangar, though. The Q-200

I computed the vertical position of my empty CG when I was doing my weigh and balance by changing the angle of the fuselage from zero and recording the difference in scales and FS’s, then computed

I don’t believe the design O-200 thrust line is WL 15” but the only dimensional reference I’ve found states that it is 7.6” (I think) from the top of the firewall. Don’t you love the use of

Thanks for the info, Jay. Nice to have additional data points. Ian, I have a thread over on the Q-Performance list talking about some possible alternative engines. I have the same question, since

My feeling is that the vertical CG and by association the center of thrust are not critical in affecting the handling or stability. I say this because the Tri-Q adds a good 50 pounds well below the

I bought that download too. I’m sure it’ll be useful at some point. What is slightly aggravating is that the parts were obviously modeled in SolidWorks, so why not offer a SolidWorks or .stp

I think the drawing that I sent you the link for should be sufficient to create a Cad model for fabrication. They are not complex or high tolerance parts. Cheers, Jay

I checked the copy of the metal parts files I bought last week and can confirm the engine mounts are NOT contained in any of the drawings. Bummer. -- -MD #2827 (still thinking about planning on

VNE in my Q1 is Mach 0.3. My Xavion screen can display it.

Kevin, I forgot to tell you Jon F flew in on his way to Phoenix area yesterday. We had a nice lunch an could not help discussing how nice the weather is in the area. Charlie My you tube

Kevin, It was good you could get your first flight in. I would have to go get my logbook to tell you how many flights I have gotten in 2022. We got some snow on the mountain peaks but it melted off

Congratulations Kevin. Now get that tri-Q back in the air!! Paul

This is the Q-list. Realize your sending this to 500 people who are here and are interested in Q aircraft. It's ok for an introduction but please stick to Q's. I didn't subscribe to the mach meter

WEEEELLLLL I made my first flight of the year this afternoon. Even it was a BFR in a C172, I got in the air. Was also out of biannual, so two birds one stone. I had'nt flown since mid Oct. Rust was

Well..of course the mach warning has to be tested. The 50 will also. :-) One of the options on the forward cabin closet display was a mach indicator. Some funny stories come from being in the

I think that was Arkansas Aeromotive, which was owned by BaE. My parents lived in Arkansas and saw me more often when I lived in the UK than later when I moved to California. My company is looking

That is great to know that it's been done before! Good to know there is at least one other person who thinks this might be a good idea . . . I would love to make contact with him, I'm sure he could