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I bought one of these with the idea of trying out DLG on the cheap in $$ and time spent building. The quality of the plane is pretty good, good instruction manual and good, complete hardware package. Assembly went well and everything fit pretty well. One problem was that the rear wing joiner rod had no tube installed in the wing,only a hole through the balsa wing root rib.
When I put it on the scale the problems began. RTF weight was 16.5 OZ with 9G servos, micro receiver & 2S Lipo- Very heavy. The wing itself was 8.5 OZ & fat on top of it. CG check showed it was really tail heavy, balancing about 1 3/4" in from the t.e. . I tried to fly it this way but it stalled like crazy. I had to add 2 3/4 OZ lead shot to the nose to get it to balance per the plans which glide tests showed was correct. This put the RTF weight of the plane close to 20 ounces!
I was not happy with the glide tests. Glide ratio was awful and the plane shows poor yaw & roll stability. This plane is so heavy that about the highest you can discus launch it is about 50 feet. It seems to want to go inverted on the launch as a video on this thread shows. I had a moderately rough landing and the main wing joiner tube broke away from its glue joints inside the wing.
And so it sits on my bench. After lengthy consideration I have decided to write it off as a loss rather than repair it. I have no slopes to fly it at, and no desire to put a tow hook in it to hi start it. In order for this plane to fly OK it would have to lose 6 or 7 ounces, and there is no way I can do that. I am a builder and my few experiences with ARF's have soured my opinion of them
Nog zo'n leuk tsjechisch beginnerskistje, 220,- incl. verzending Europa:
http://model.ypsi.cz/index.php?page...ategory_id=11&option=com_virtuemart&Itemid=71
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iemand ooit zo'n kist van hobbyarena gekocht ?
Die yoyo of marabu ...
Zien er idd heel erg leuk uit.
Ik heb ze sinds vrijdag beide (Marabu en YoYo) toegekregen. De verzendkosten waren gelijk voor 1 of voor 2 toestellen en dus ze allebei gekocht.
De dozen zijn beide geopend, maar omdat ik het druk had is het bij een visuele inspectie gebleven.
Als je meer info wil of fotos, laat maar horen.