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Old Sep 08, 2014, 12:34 AM
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Milton Keynes, England.
Joined Nov 2007
66 Posts
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GWS A-10 upgrade help.

Hi folks,

After a very long time away from planes, I have decided to dust off the old planes in my loft and start flying again...

So, to start off my powered flight... my old and almost un-flyable DF GWS A-10!

I say un-flyable because it never had any guts to actually fly....

Can anyone advise me on a power system upgrade for this old bird?
I don't want to spend a fortune on it but at the same time, I want it to fly....

I have found a few 50 and 55mm fan units on flea bay but I'm just shooting in the wind as it would be a complete guess....

Any help on this would be great.

Many thanks,

David.
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Old Sep 08, 2014, 12:39 AM
Registered User
Milton Keynes, England.
Joined Nov 2007
66 Posts
BTW, I have also seen all of the upgrades on the GWS website but there are so many....????
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Old Sep 08, 2014, 08:14 AM
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Aylesbury,UK
Joined Apr 2000
990 Posts
I built mine with a couple of GWS 55mm fans and I think they are 5400kvish inrunners on 3S 2200 pack. It has much more power, still not fast I guess due to the wing section. I had to get the rotor adaptors redrilled to 2.3mm to suit the motor shafts, this was some time ago now. I would think there is a better choice of fans now. All I would say is try to keep it light! And reinforce the wing/tailplane.
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Old Sep 08, 2014, 12:13 PM
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Milton Keynes, England.
Joined Nov 2007
66 Posts
Thanks for the reply Stuey!

My plane is one of the original releases, I think they were heavier???

There are plenty of after market fans about but that's half the problem...

I just want to get it flying as it never did fly well.... definitely needs more power!!!

5400? almost 60K??? Wow! that must've sounded awesome!

What do you think to this unit??? on 3S???
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Last edited by Killer55; Sep 08, 2014 at 12:23 PM.
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Old Sep 08, 2014, 03:00 PM
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Aylesbury,UK
Joined Apr 2000
990 Posts
There are threads you can search for from the past that helped me work out the setup. Smaller fans do seem to use higher kv motors, I doubt they rev to 60k though!
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Old Sep 08, 2014, 03:21 PM
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Milton Keynes, England.
Joined Nov 2007
66 Posts
Quote:
Originally Posted by Stuey View Post
There are threads you can search for from the past that helped me work out the setup. Smaller fans do seem to use higher kv motors, I doubt they rev to 60k though!
I did a search but didn't see anything???

5400kv on 3S (11.1V) =59940 rpm.... - a bit for internal drag and fan load... still way up there???

But then my boat runs in the region on 49000...

Anyway... I might just see what it'll do on 3s and go from there...

Thanks for the help Stuey!
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Old Sep 08, 2014, 03:28 PM
Do it Right, the first time!
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United States, MN, Hermantown
Joined Dec 2008
5,486 Posts
Did you search the foamy edf forum??
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Old Sep 08, 2014, 04:12 PM
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Guatemala, Guate
Joined Jul 2007
286 Posts
Check extremerc.au he has a nice Gws fan and innrunner motor combination.

To my like the gws fans are to delicate, but this planes are weight sensitive and donīt need the high amps and watts as current fans.

Donīs Rc has also nice setups in small fans.

cheers

Juan
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