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scotland uk
Joined Jan 2005
1,301 Posts
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the swift 2 handles the wind well. The mini swift doesnt.
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hey folks. new to flying wings,planes in general really, im fresh over from helis. i already own 2 axn's,one stock,one not. still learning to fly at the moment,finding planes quite a lot different to helis...much more so than i had always imagined they would be.
anyway,i recently got a swift 2 and i will be placing an order for this motor in the morning,which im lead to believe is a decent motor for this wing : http://robotbirds.com/catalog/produc...oducts_id=1685 along with this tube mount : http://robotbirds.com/catalog/produc...roducts_id=567 i already have a longmax 1300 3s lipo and a hk ss 25/30 esc for it and im running hxt500's and a orange 6ch rx.(is it worth taking the case off the rx to save a few grams?) oh,and also a lost model alarm,having lost one of my axn a few weeks ago for 24 hours that is not something i wish to repeat so stuck one on each anx and now the wing too. i have a couple of props to choose from, but to be honest, the whole prop to esc to battery to motor performance relationship is a bit of a black art to me and i dont really understand it. so i need to know what prop i should go with as well please. i have a apc 6x4 an apc 7x5 a 9x6 and a couple of spare stock axn props,5x5e. if anyone can offer advice as to my above setup that would be really helpfull. i want my wing to fly nice and slow and be manageable while im still learning,but i also want the power there when i want it. hopefully my choices will allow that. thanks! ps...i could also use some tips on how to mount the tube after i have put the motor on it...how deep into the foam etc... cheers |
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I hope someone else can help with motors as I only know what I am using which is a Turnigy 2730/300 but I understand normal people use the 2730/17 or 2730/15.
http://www.hobbyking.com/hobbyking/s...idProduct=8619 But the motor you have picked looks like it would be good. All your gear will get it going like the LiPo and servos and you will eventually work out if you need better. The slower motors use bigger props so I would probably try a 7 by 5 first. Google your motor and see if somewhere recommends a prop size. You were saying "how to mount the tube after i have put the motor on it...how deep into the foam etc" The motor sits on the plastic mount so the motor does not go anywhere near the foam. I mount the motor with prop on to the mount before gluing the mount on so you can see if the motor is straight at the wing tips when gluing on the mount. Put up some photos top and bottom if you want to. Quote:
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thank you gents. im not sure i understand the info about the tube mount. my understanding is that you fix the motor to the circular part of the tube mount,tightening up the screw to secure the motor into position,and then the tube part of the mount is fixed into a channel that you cut out of the foam. how far from correct am i with that? andy, i dont have a gws 7x6 but i do have a apc 7x5...will that suffice do you think? thanks for the info gents
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Good luck Andy http://robotbirds.com/catalog/produc...oducts_id=3549
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This is what he is talking about in the photo. They are trying to keep it light.
It is probably a good idea to get the weight forward but it depends what LiPo you are using etc. I also once looked for a motor that would go on the front side of the mount and that would help a lot with the c of g. There would be some drawbacks like less power because the prop is close to the wing and more noise. Quote:
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ok thanks for the helpful info gents. that motor mount is nicely priced @ 95p! but then they want £2.50 to post it....i hate paying more for postage than my item costs,its so annoying! lol the motor i ordered,according to the website now comes with a mount,so hopefully it will be very similar to the one you have linked me to.....
i thought this mount was meant to be good for the wings? not a problem if its no good,i will wait and see what mount the motor comes with and if thats no good as well,i will order the one you have shown me. thanks again for the help folks. |
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Even Aero Andys Emax 2812 1500kv is only $7 plus about $4 from China Post. That would be a good one. http://www.himodel.com/electric/EMAX...pe_CF2812.html Buying stuff from UK is probably a like me buying from Australia then again you might have to pay VAT extra. But even hobbyking is where I usually buy most of my stuff. They have probably hundreds of motors and some what you need and very cheap. This is probably what you need at $6.45 and $2.99 postage. Probably plus VAT. http://www.hobbyking.com/hobbyking/s...idProduct=5423 Spec. Weight: 39g (with wire & sticker etc) Shaft: 3mm Motor Length: 46mm Diameter: 28mm Stator Size: 22x10mm Suggested prop: 7x4 or 7x6inch Voltage: 11.1v or 14.8v (3-4S) Kv: 1534RPM/V Data ; Prop size: 7x4 RPM: 12250 Max Curr: 10.5A Thrust: 580g (1.27lb) Prop size: 7x6 RPM: 11000 Max Curr: 15.5A Thrust: 730g (1.61lb This would be another good one but a bit slower: http://www.hobbyking.com/hobbyking/s...idProduct=8619 |
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There is probably nothing wrong with the motor mount you mentioned if the plane gets bolted on to the round flange to the left of the pipe and the motor goes in on the right side.
One of those other motors that come with the mount would probably not stick the motor body and propeller out as far and keep the weight forward which is good. You can decide if you want to cut into the back of the wing but you are probably better off going standard. The wing is a lot weaker if you cut into it particularly if you hit a goal post. My mate broke his MiniSwift in half hitting a goal post last week but he did not have the extra carbon fiber. He wanted to go light. Quote:
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thanks for replying with help and advice gents. as it turns out,the motor i ordered and received today came with the exact mount linked for me above! so that was a bit of luck really. had to make a couple of extra holes in the stock wing mount to get it to fit,but all seems well so far.....
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All the best Andy |
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