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Eflight Shoestring
#36


(16-12-2012, 10:58 PM)wingtipper Wrote:  mate, eeeeeerrrrrmmm . im not sure i like that models charactoristics , it flew exactly the same as my HK focus i had , even looks similar with its short fuselarge and large wingspan, except the focus was a 40 buck plane and underpowered .

Hmmmm it's not that bad a flier, you've got to understand that it's built for a purpose and that purpose is to go as fast as it can with that motor prop and battery combination, and fit the other rules of the EF1 class.

That high speed stall did look nasty and there wasn't much time to recover as it left the plane doing over 100ks traveling straight at the ground but there was a reason it did this. That reason was because I gave it full elevator in high rates, traveling at full speed, in hind site not an overly wize thing to do. I did it to see how tight it would turn and I half expected it to drop a wing and guess what, it did!! There was no way I'd recover from that if I wasn't half expecting it. I was actually suprised at how quick it happined when I looked back at the video. However it's not a fault with the plane if it had crashed it would have been pilot error that caused it 100% for sure.

These planes are a trade off, they have longish narrow wings so they can turn hard with the least drag. However this layout, while having that drag advantage, has the disadvantage of a rather sudden stall. You've got to remember that the plane weighs about twenty times more when it's turning hard like that and it's a big ask for those wings to produce enough lift to make it fly nicely around a very tight turn. Can they do it nicely? The answer is yes, but push it too far and look out, here comes the ground !!

The other nasty looking thing it did was was when I deliberatly slowed it up to see what it handeled like at low speed. I was allways going to slow it up untill it stalled, That's why I did it with some height to spare. I wanted to see what the stall was like and again, no great suprise one wing stalls before the other. You can see in the video, my reluctance to try and land her too slowly after that.

This is a plane with a bit of weight, the wing loading is around 21oz per sq foot. The air frame by it self is not overly heavy, actually the wings are suprisingly light. All the weight is in the motor and the 2600 4S lipo pack, which by the way, gives a duration of 4 mins with little to spare.

Here's the data from the ESC of the first flight and some of the second flight before it ran out of memory

   






“The knack of flying is learning how to throw your machine at the ground and miss.”

"When once you have tasted flight, you will forever walk the earth with your thoughts turned skyward, for there you have been, and there you will always long to return."  ~Leonardo Da Vinci
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Messages In This Thread
Eflight Shoestring - by secant0give - 13-11-2012, 07:44 AM
RE: Eflight Shoestring - by Raptorfly - 13-11-2012, 05:13 PM
RE: Eflight Shoestring - by wingtipper - 13-11-2012, 09:20 PM
RE: Eflight Shoestring - by secant0give - 14-11-2012, 07:17 AM
RE: Eflight Shoestring - by secant0give - 14-11-2012, 09:29 PM
RE: Eflight Shoestring - by wingtipper - 15-11-2012, 07:18 PM
RE: Eflight Shoestring - by smuzz - 14-11-2012, 10:02 PM
RE: Eflight Shoestring - by samste - 15-11-2012, 06:49 PM
RE: Eflight Shoestring - by secant0give - 16-11-2012, 05:31 AM
RE: Eflight Shoestring - by secant0give - 27-11-2012, 03:55 PM
RE: Eflight Shoestring - by secant0give - 28-11-2012, 03:16 PM
RE: Eflight Shoestring - by gbanger - 28-11-2012, 03:37 PM
RE: Eflight Shoestring - by wingtipper - 29-11-2012, 10:25 AM
RE: Eflight Shoestring - by kizza42 - 30-11-2012, 09:54 AM
RE: Eflight Shoestring - by secant0give - 03-12-2012, 12:40 PM
RE: Eflight Shoestring - by kizza42 - 03-12-2012, 02:10 PM
RE: Eflight Shoestring - by secant0give - 03-12-2012, 04:21 PM
RE: Eflight Shoestring - by secant0give - 06-12-2012, 06:16 AM
RE: Eflight Shoestring - by wingtipper - 06-12-2012, 09:49 AM
RE: Eflight Shoestring - by secant0give - 06-12-2012, 09:19 PM
RE: Eflight Shoestring - by gbanger - 06-12-2012, 09:35 PM
RE: Eflight Shoestring - by wingtipper - 06-12-2012, 09:44 PM
RE: Eflight Shoestring - by gbanger - 07-12-2012, 06:01 AM
RE: Eflight Shoestring - by secant0give - 07-12-2012, 03:11 PM
RE: Eflight Shoestring - by wingtipper - 07-12-2012, 05:10 PM
RE: Eflight Shoestring - by secant0give - 10-12-2012, 09:45 PM
RE: Eflight Shoestring - by wingtipper - 11-12-2012, 12:24 AM
RE: Eflight Shoestring - by secant0give - 14-12-2012, 08:53 PM
RE: Eflight Shoestring - by kizza42 - 14-12-2012, 09:09 PM
RE: Eflight Shoestring - by Skidz - 15-12-2012, 03:33 AM
RE: Eflight Shoestring - by gbanger - 15-12-2012, 07:23 AM
RE: Eflight Shoestring - by Skidz - 15-12-2012, 11:45 AM
RE: Eflight Shoestring - by secant0give - 16-12-2012, 09:52 PM
RE: Eflight Shoestring - by wingtipper - 16-12-2012, 10:58 PM
RE: Eflight Shoestring - by Flying fisho - 17-12-2012, 05:17 AM
RE: Eflight Shoestring - by secant0give - 17-12-2012, 07:44 AM
RE: Eflight Shoestring - by Skidz - 17-12-2012, 09:42 PM
RE: Eflight Shoestring - by secant0give - 18-12-2012, 11:45 AM
RE: Eflight Shoestring - by Skidz - 18-12-2012, 04:03 PM
RE: Eflight Shoestring - by secant0give - 22-12-2012, 11:15 PM
RE: Eflight Shoestring - by Skidz - 23-12-2012, 05:27 AM
RE: Eflight Shoestring - by secant0give - 23-12-2012, 01:51 PM
RE: Eflight Shoestring - by secant0give - 27-03-2013, 06:21 AM
RE: Eflight Shoestring - by smuzz - 27-03-2013, 09:16 AM
RE: Eflight Shoestring - by wingtipper - 27-03-2013, 05:45 PM
RE: Eflight Shoestring - by secant0give - 27-03-2013, 01:03 PM

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