|02-11-2009, 09:35 AM||#1|
RCC Senior Contributor
I am: Marc B
Join Date: Jul 2004
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Total Props: 0
Sylvan Aircraft Prodigy - Flying Wing
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Ok guys, I just want to post my maiden day results. Here's the tale of the tape:
AUW: 25 oz, including 1 oz of Pb in the nose
Turnigy 2700Kv Inrunner (102grams!!! )
CC Phx 35
3S Rhino 2350mAh 25C
Strengthned with CF Tubes and Gorilla Glue
Glassed with Henrys 183 and 3M90
WOT approx 28 Amps, 320Watts
I could remove the lead in the nose if I switched to a 65 g higher Kv outrunner, which I may do.
First throw was a power-off test glide, and tore off both winglets on landing which were only hot glued into position, so decided to conduct maiden without winglets!
Second throw: Slippery as hell....making a few trim passes it's definitely lacking lateral stability (which I was expecting!! ). But I had fun anyways.
Landed fairly easily, but I knew it could be better.
Got home, epoxied and taped the winglets into position, now they are not going anywhere!!
Back to the field, re-launched, half throttle gradual climb out to gain some altitude. A few clicks of down trim, and now it's time for some high speed passes. Now it's definitely a new wing with the winglets! What a beauty. Total control and MUCH easier to fly....
It lives up to what I was expecting and more. What a great sound to hear the prop go screaming by you 4 feet off the deck! I'm no expert, but I figure 80 mph with this setup, not as fast as I was hoping. I need more speed already. With a few tweaks and some different equipment, I could easily reach 100-110 mph.
This thing rocks guys. It's stable and is very easy to fly. Smooth as butter throughout the flight envelope. I still need a few more flights to trim it out completely, but I will be taking this with me wherever I go so I can always get my "speed fix."
Mine is covered with packing tape, but I will most likely re-cover it some day with Monokote. I'll bury the electronics and battery after a few more flights to confirm CG and trimming.
I recommend this wing for a cheap and easy speed fix. I bought this from Sylvan Aircraft for about $60 shipped when our dollar was strong!
Last edited by BigBreeze; 02-11-2009 at 09:38 AM.
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