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LEGACY Question

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Dr Spark · Oct 24, 2003 04:19 PM

#0 source
The Brodak LEGACY kit builds to a landing gear track of 21". That seems awfully wide to me for a wingspan of 59". The Brodak plans do not show a frontal view. The LEGACY 40 as shown in a recent STUNT NEWS indicates a fuselage-mounted L.G. So I have no idea if 21" is correct for the full-size LEGACY.

I can shorten the track with new wires, but the L.G. blocks are already in place, so I can't change this.

Floyd Carter

Baron · Oct 24, 2003 05:30 PM

#1 source
Floyd,

Mine built to a width of between 22 and 23 inches. Works good, just make sure you keep them at the proper angle toward the LE. Over time, mine will slowly bend backward, making noseovers easier in grass. Watch that issue, and everything is fine. Only problem, mine is missing the outboard wing starting just outside the landing gear. See the Baton Rouge contest thread. Wing is VERY strong from the LG inward. Sheared of cleanly at that point (or should I say, exploded cleanly!). It is definitely fixable.

jobellcrank · Oct 24, 2003 06:40 PM

edited#2 source
Floyd, why don't you try the stock track. The ground handling on a stock Legacy is pretty durned good as it sets up.

One, very minor issue that seems to be addressed with the wide track, is the fact that during takeoffs and landings, unless you are crouching down, the outboard wheel is the last to leave, and the first to touch down.

Takeoffs aren't affected too much by this fact, but I believe you can get set up for a minor bounce with the outboard wheel hitting first on landing. The wide track seems to smooth this tendency out, at least for me. The outboard wheel being closer to the tip makes the plane settle out sooner, and I believe smoother, than closer set wheels such fuse mounted styles.

It's a minor point, and not a big thing, but I need all the help I can get.

Steve Helmick · Oct 24, 2003 07:46 PM

#3 source
The wide track LG works wonderful. The ex-???? "Lancer" I flew with my 2Star .60bb had right at 22" track, and I loved it. There's just enough left to measure...those outside squares are tricky with bifocals, it turns out. I also liked the wing mounted gear. It looks great with "gear doors" instead of wheel pants, much easier to make, and you can use bigger wheels...or not...or change them to suit the field. Like John said, crouching down for the takeoff is a big help. One wheel landings get extra points..... Steve

Dr Spark · Oct 25, 2003 01:13 PM

#4 source
OK. Thanks to all for the advice on L.G. track. Kind of hard for me to stoop over far enough on a landing, since I am already 6' 2" from the tarmac! (OK so my eye-level is a bit less than that).

I notice that the Legacy kit does not show any shear webs between the spars! Amazing! Just a bit of 1/16" sheeting completes the D-tube and increases wing strength a lot.

I have watched many "modern" stunters in action, and I am surprised how much the wings bend on a pull-out..

Floyd

Circle Burner · Oct 25, 2003 05:26 PM

#5 source
Dr Spark-I have also noticed the lack of shear webs on most c/l airplanes. I always add them!!!

Like you said, a liitle bit of wood adds a ton of strength, and in my opinion helps in building a straight wing.

John