khodges
Posts: 5094
Joined: 7/3/2003
From: newton,
NC, USA
Status: offline
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Here's the classic non-commital answer: it depends.
Do you plan to "scale it out" or just build it like the book(s) say and just fly it? If you want to scale it out, get the BUSA kit. The wings attach to the center section, which is part of the fuse structure (like the full scale), and I believe the outline is a bit more scale. Struts are FUNCTIONAL on the BUSA, and on the Sig (mainly on the Sig to hold the wing halves together). The Sig wing is two pieces of unequal length that are slid together with a joiner, with the center section as part of one wing half (which makes that half longer than the other. The wing bolts down to the top of the fuselage at the T.E., with pins that locate the front into the "A" pillar at the top of the windshield.
Both kits have been out a while, both kits are good builds, the BUSA is a bit more "stickbuilt" than the Sig. Both kits are nice flying, both are roughly the same weight if built without modification from the plans. Which bring up modification......... the BUSA is a better kit to modify, especially if converting to an L-4. If you decide to clip the wings, the BUSA just requires deleting the first two bays out from the root, make the third rib the root edge (one bay between wing root and aileron). I suppose the Sig wing can be done the same way, but a bit more work due to the way the center section is done. Sig sells the 1/4 scale as a clipped wing as a separate kit from the full span.
All the above applies ONLY to the 1/4 scale, as Sig's 1/5 scale is totally different from the Sig 1/4 scale in construction.
I love Sig kits, have built the 1/5 scale, we have two of the Sig 1/4 scales in our club. I have the BUSA 1/4 scale to build some day soon, will build it as an L-4.
< Message edited by khodges -- 7/3/2008 7:24:41 PM >
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Club Saito #2, WACO Brotherhood #20. What other trouble can I get into?
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All Forums >> RC Airplanes >> RC Scale Aircraft >> Piper Cub 1/4 scale sig or balsausa 
Piper Cub 1/4 scale sig or balsausa - 
I just bought a used Piper looks like 70 inch wing , I am 5-8 and the wing is taller then me 
