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I used hat-type stringers, mounted similar to how Stinson did it. super-12.com. Steve has 'em, near Chehalis.

He was mostly just razzing me. Though that particular time I WAS way too high and had to slip aggressively.


Agree. End up going faster than otherwise, but total energy is dissipated...

Right. Valid for constant acceleration only. Not even exact on wheels because drag increases with speed.

JIC fittings from a hydraulics shop will work if AN fittings not available. They're 37 deg. The automotive SAE flare is 45 deg.

Here's more than you ever wanted to know about that: ...

On my -12 the bottom of the stick where the aileron cables attach is extended by an inch or so. It's a bolt-on piece, and operates to give more cable travel for a given stick deflection. I don't...

Maybe. Depends on the cold stress. If in tension or neutral, yes, it will pull. If in compression, maybe just relax the joint.

I have a couple spare cable-safes - I'll give em to you if you want em.

Now Perry, nice is good.

Ugh, that is a genuine PIA. Kinda like getting Clydsdales to pull a real load. 8)

FWIW I have a pic somewhere of a Clyde standing on a sled being pulled by - I can't remember - Belgians,...

Just finished (I hope!) Going through that. My MA4SPA carb started dripping last summer, stopped for a while, then got worse. I have overhaul paperwork from Avstar, 2011. About 700 hours sunce...

https://www.adn.com/alaska-news/aviation/2021/02/05/ntsb-plane-that-crashed-near-wrangell-st-elias-national-park-killing-2-apparently-broke-up-in-midair/

I have the short mount on my -12, and Sutton exhaust. It all fits fine. Enjoy!

The entire system is forward of the accessory case, so the mount shouldn't matter.

Good point for annual insp - fuel valve screws tight! Thanks for the reminder - - -

Bushings would be pressed into the outer tube.

Along the lines of what Sky was saying, you don't want too close a fit between inner and outer tubes. If too close it wouldn't take much to get...

Give some thought to material removal - and - how much is left in that outer tube. Another possibility would be to drive a hardened bullet through that outer tube, with heat on the outer tube if...

Thawed ice? Or the opposite, freezing water in the fuel line?

Well, the obvious found its way right past me - again. I squirted a dab of LPS2 into the keyhole, and it works much, much better now. Thanks folks!

Dunno. I'll try some oil first, as Irishfield suggested.

Thanks - I haven't been able to locate a parts kit that includes the keylock portion. Just contacts etc.

I have a Bendix switch (no start position) that is probably original on my -12. It's getting so that I have to jiggle the key just right to get it from the off position. I bought a new key, based...

This sure seems like the best approach.

I had a leak that I would have sworn was oil cooler or case parting-line related, but turned out it was a tiny crack in the engine case. The powder test would at least confirm or refute an external...

One thought - - clean the engine thoroughly with solvent and let it dry. Spray suspect areas with dye penetrant developer powder, run engine until source appears. I've read a simpler way here,...

Yes, however the heat path thru the crankshaft cross section to the prop is small by comparison. Heat flow rate varies directly as cross section and inversely as the length of the conductor - in...