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that was close.![]() ![]() WORKS ALL TIME!mayday. |
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Well, thank you guys so much b/c the cg adjustments and wing fences made all the difference. Went through two packs this morning with the cg back (closer to its original position after my bare airframe glide tests). Also added the wing fences as Prime_8 suggested. The strakes were definitely forcing air outward along the wing -- the fences put a definite stop to this! Followed Mayday27's advise and did an inverted test -- all went well. With the CG back further, the launch was a breeze -- there was no initial dip -- she flew straight off with some torque roll. Inverted was also nice and controlled with just a touch of down elevator to stay level. Rolls are now truly axial. The speed envelope has definitely increased, or rather widened. At slower speeds, she no longer "twitches" -- and the tail does sit a bit. The control surfaces are much more effective at slower speeds now. I can maintain level flight at less than 1/4 throttle. She is even more twitchy at speed now. Also -- I need to find a happy medium for trim b/s if I trim for slow flight, she climbs at high speed, and vice versa. Thanks again guys! It feels like a newer, MUCH lighter plane! Man, I love this hobby - the learning never ends!
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trim , can your dx5 mix throtle to elivator , like 5%
so whe you punch it you get a small proportional E deflection to counter it? but again that climb is an expected side effect of the strakes. I should have been more clear on that . strakes make a good deal of lift , and they bully the air a bit on micro sized planes. glad it worked for ya. pop a pic or vid when you next get a chance . |
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very cool .
als if you look at original plans i did provide for dove tail under fuse stabs / prop/ hand gards. LOL but i think i like your rabit ears style verts . the new plan there has larger vert stabs with slotted wing . but i'm leaning closer to the way you did it . as far as forward sweep teh wing is supposed to be more efficient and the le of the wing forces air back over wing rather than away off the tip . that said i think i have the chord too thick at the tip . + i will be building this micro using hybrid boxed fuse . i will have foam fillets that will let me sand deeper into the corners , i think it is the best trade off looks & strength & ease as all the fullsize box fuze planes are doing very well. i attribute that to an enhanced lift body effect . |
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...SOON after I finish my Kronik2010 bird.http://www.rcgroups.com/forums/showthread.php?t=1312008Happy flying, mayday. |
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