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All my bashed TM are painted on the underside of the wings, fuselage, and tail. Also I have printed paper stickers on them. The one in the picture has bombs under the wing, guns, wood landing gear, and 2 pilots, It weights 13oz. I do not have any trouble with the wings breaking. There has to be something wrong with the foam in his plane.
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This TM weights 12oz but does not have ailerons.
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I guess there are different loads for different planes. I have a TM that weighs in at 12oz... but it also feels sluggish in the air, even with a brushless. The ideal weight for a stock TM is about 8 oz on the IPS motor that it came with. That light weight actually makes the plane fly better. If you want to do rolls, etc you should try a 3D Tiger Moth. I have one and it has huge ailerons, a 350 brushed motor, and massive tail control surfaces. It does all sorts of tricks and it's very strong. But, I don't fly it because it just isn't a Moth.
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Ahem....ahem.......
MCLARKSON: It may be a possibility that the wings on your Moth, most notably the bottom wings, have been weakened at the point where the aileron cut-out starts. In essence, the wing cord length is shorter at that point, thus more sensitive to wing loads. Just a thought. Personally, I like the look and feel of the original "thin" wing, and have been fortunate enough to not experience a complete wing fracture such as you have. Most of my Moth landings are nose-overs", courtesy of the grass on my runway. No wing damage as a result. However, I did earn the "DS of the Year" award the day I hand launched my Moth from the rear deck, and never did a pre-flight. I use Channel 54 for several planes, and thus the elevator and rudder actuation was 180 degrees backwards. My dear Moth bounced off the side of the garage and made a forceable landing in the blackberry patch. Yes there was damage, but not a complete wing fracture. To the best of my knowledge, which I owe to the many participants on this thread, the aileron conversions on the Pico Tiger Moth have rarely been all that successful. FWIW. RD |
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The Moth bash Brequet 14 that I put ailerons on flys like it is on rails but still needs lots of rudder. If I try to roll it goes into a dive in the middle of the roll. The only advantage I like about adding ailerons is the wing looks nice flat. The next TM SPAD bash I did, I did not add ailerons. I plan on bashing a TM into a Swordfish next. Will have to deside if I want to have ailerons. I know I have to mod the top wing and the mod might help ailerons work better.
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Mine seems to fly just fine. Here's its maiden (before I mounted the LG).
Just tryin' to decide if the next step is to try and fix the wings or what... |
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Buzz |
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mclarkson
Watching your video of the moth, I can understand why the wings might fail. I don't think these planes were designed to fly quite fast or to fly inverted and pull high g loops. They are slow flyers and loops have to be carefully done to avoid snapping a wing. The ailerons clearly allow rolls, but also weaken the wing strength. Perhaps is you use a carbon rod for the leading edge and the trailing edge it would help. I used carbon leading and trailing edges on one of my 9 moths and the wing has held up for 10 years. My $0.02 worth! |
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I do not have any trouble with folding wings at all doing loops. And I do not add anything to make them stronger. I do how ever modulate throttle while doing loops. Using power when I need it. And pulling back on power for instance on the down line of the loop.
I make it a point to do things as smoothly as possible. I think sudden abrupt moves are what causes a lot of failures. I also do what I can to keep the plane as light as possible. The biggest pack I use is a 600 mah 3s lipo. I have a Himaxx brushless in both of our TMs and I get plenty of power and 20 minutes is a normal flight for me. I can go much longer but don't want to most of the time. |
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