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Paintballs are a dead-end, ballistically. Too high of a drag coefficient, and too fragile to be pushed faster. Finding a cute female RV pilot would definitely be more rewarding.

The CG Li'l Wizard was my first gas control-line plane as well! A Cox TD .049 on a tank mount and a quart of 15% cool power fuel made for a fun afternoon!

That particular -4 has an O-320, while that particular -6A has an IO-360. The -4 also has a Catto FP prop, while the -6A has a Hartzell BA. The -4 also has the same wing area as a -6/6A, but is generally lighter as you point out. A factor that makes a difference that isn't represented by...

Nah, while the AoA is nice, the RV pilot who knows his aircraft can ride it around on the boulders just fine. No way a Glasair I, II, or III smokes an RV-4/6 in a WVR, guns only fight. You have a point about BVR though - the RV-6A I fly isn't equipped with AMRAAMs.

The last year or two of RV-6 kits actually used the RV-8 vertical stabilizer and rudder. The -7s originally used the -8 vertical and rudder as well, until Vans decided they needed the -9's fin and rudder for spin recovery reasons.

Not even close to a fair fight. The Glasair loses out in both rate and radius. Now an RV-4 vs. an RV-6A is interesting - the RV-4 has a better radius but the RV-6A matches the -4's rate while having a better power loading for increased acceleration and better vertical performance. It's a...

I recently bought a hangar with a bi-fold door. Raising it is fine, as is lowering it, but when the door is coming down, if I press the "stop" button the door continues to lower for 5-10 seconds before finally coasting to a stop. This seems odd and wrong, and potentially dangerous. The motor...

Anyone ever come across a Coffman starter or similar for a lycoming? I totally admit it's not super practical, but thought it'd be awesome for an aircraft without an electrical system / starter. I've only ever seen them on bigger things.

I think you mean red-line. Vyse != Vmc.

No, they didn't do any reverse engineering - they got help from Garmin; Garmin wanted Foreflight to support their boxes. No reverse engineering required.

Garmin's proprietary protocols make this very unlikely. And that in fact did not happen with Stratus; Stratus uses mostly straight GDL90 for which the protocol description is easily and publicly available. Little/no reverse engineering of the protocol itself was required.

I see coyotes at KSGS all the time. As in, I recognize three of them specifically and know where their den is in the brush on the other side of the airport fence. I'm kind of torn about their presence, since they could pose a runway hazaard but at the same time I appreciate how they do a...

I remember a similar (maybe same) incident at KSGS involving both a Grumman and a blazing Stearman, but it was a T-hangar; the Stearman was being refueled inside the T-hangar with no static/grounding wire. Ugh. The moral here is "don't be stupid" :-)

What you seek is essentially "builders insurance". Hit up EAA and see what they have; I remember it being pretty reasonable when I was building my RV. Alternatively, have you inquired specifically about "not in motion" coverage?

Pay closer attention, it absolutely does. The reason for this is that flap extension changes the airfoil pitching moment. Extending the flaps causes a nose-down pitching moment and retracting them removes that resulting in a relative nose-up pitching moment. Whether you notice it or not is...

I do a ton of acro and dislike the GoPros because of the awkwardness of the various helmet mounting schemes they have. I've used instead ReplayXD and TomTom Bandit cameras; both work well enough that my GoPros are resigned to fixed mounting points elsewhere about the aircraft.

I wonder how that would hold up to rain @ 150mph? And I've seen plenty of aircraft with pearls, metallics, etc - my plane is all metallic paint, for example.

I'm not even sure that's at Lake Elmo. I learned to fly there, knew the pilot, and saw the plane both before and after the accident.

The NTSB report states "A postaccident examination of the wreckage revealed no evidence of mechanical malfunctions or anomalies with the airframe or engine". The Glasair II RG has a wing loading of almost 26 pounds per square foot, which is significantly higher than what most piston singles...

One, not all seals / hoses / metals / etc. are compatible with it. There is concern around it holding water in contact with aluminum tanks, for example, and causing corrosion. Seals in the mechanical fuel pump are mentioned sometimes as well, as are hoses. Another concern associated with...