SIG Kadet LT-40

SIG Kadet LT-40

Promotional Photo of the Sig Kadet LT-40

This is a built-up balsa trainer with ample dihedral, 70" wingspan and tricycle gear. It is equipped with ailerons as well as elevator and rudder, and with a .40 to .46 engine, requires a 4-channel radio.

Almost Ready to Fly

This airframe came as an ARF and went together relatively quickly. It actually took several weeks, but that is because I had to pause here and there, to facilitate other activities or to await parts, tools, etc, that I discovered I needed and didn't have. Actual building-time was short.

I actually installed four Futaba S148 servos and the Futaba R148DF 8-channel Rx that came with my Tx. Overkill in the receiver department, but it's what I had, and I don't need it elsewhere at the present time. So...

Kadet LT-40

First Flight

Coupled with the Thunder Tiger engine this seems to be a strong flyer. First time out, under the pilotage of one of the club's better flyers, she came up off a very rough grass/dirt strip in about 15 feet, and flew strongly, even ascending right into some not-so-low cloud!

I underwent pilot training on this ship, with "Bull-cow" George as my instructor. Even when only making simple circuits, it was loads of fun. One problem: The Kadet has a tendancy to fly up and away out of sight. There certainly was no lack of power from the TT engine!

The Kadet proved itself as a very rugged, reliable trainer, with good characteristics and a beautiful, big, high-lift wing. I'd recommend it to anyone who is starting off and looking for a trainer. Smaller ships are available, but the visibility of that big wing is hard to beat!

I put her to all sorts of uses, even carrying a camera for aerial photography! I liked this old work-horse, and the only changes I'd make with it would be to build the wing with less dihedral by cutting a different dihedral brace before joining the wing. Of course, I can say that now, since I now know how to fly...


Almost Ready to Fly

Uhm.

I was flying slowly, fairly low and quite close to the club-house when the aircraft suddenly emitted a loud, buzzing rattle. It stopped after a second, but it was very pronounced and everyone looked around and said "What was that?"

"I don't know," I replied, "but I'm bringing her in!" I turned left onto a downwind leg, intending to turn right on finals. She never came out of the left turn. The left gradually tightened and it s-l-o-w-l-y rolled left and went in.

Wrecked!

Wrecked!

The fuse doesn't look too bad, but it's only a box-fuse and all four seams opened up all the way back to the tail. That plus several smashed formers, etc, and I decided it would be easier to build a new fuse.

The wing was not badly dammaged. I stripped it and repaired the woodwork, then Rudy was looking for a wing for Yinger's trainer and I gave him the un-covered wing. For a while after that, Yinger she was flying that great Kadet wing with a homebrew fuse underneath! But one day, there was a loud Crack! from aloft, and a cry arose from the crowd as the aircraft came fluttering down, it's wing broken in two pieces.

Thus endeth the kadet.


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