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Is it really worth it?

electric set-up of very old phase 6 glider

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Lunch-time flyer13/02/2015 15:08:20
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48 forum posts

I've just dug out a 30 year old phase 6 from the attic... stuck a motor in it to see what happened... one flight later and a burnt our ESC says I didn't have a big enough motoe set-up...

My question is:

is this worth converting to electric power?

It's heavy already... so any addition has to be very powerfull to make it worth the effort... and eventually I want it to hold a camer too so there's more wieght there...

So ideas for a set-up - or just leave it - it ain't worth it !

Wingspan 66inches
wing area 540 sq in.
wing loading 11oz/sqft
weight 42oz

http://www.chrisfoss.co.uk/#/phase-6/4538950472

Thanks

john melia 113/02/2015 15:27:45
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1770 forum posts
24 photos

nah stick a petrol jobby in it wink 2

Lunch-time flyer13/02/2015 15:29:19
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48 forum posts

hmmm don't do petrol, but it was smoking a bit from the initial flight disgust

Matt Jones13/02/2015 15:30:22
1186 forum posts
1 photos

I saw a guy flying one last year that he'd also converted to elecric, I have to say it went really well thumbs up

Lunch-time flyer13/02/2015 15:31:36
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48 forum posts

that's encouraging...

Matt Jones13/02/2015 15:45:38
1186 forum posts
1 photos

It was heavy though like you say and you'll have to be considerate with it, no abusing the elevator. You could see the wings flex a lot under 'G' but it did seem to fly well.

kc13/02/2015 15:47:35
6277 forum posts
170 photos


Everyone advises using a Watt Meter to see how many amps are being drawn to ensure it is well within the capacity of the ESC. This would have saved it's cost if it saves just one ESC..........

Lunch-time flyer13/02/2015 15:51:00
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48 forum posts

I do have a watt meter but I didn't use it angry

It's the same setup taken from a lighter glider I have, so I thought it would be OK (same prop etc) - the real problem was I ran it full speed nearly all the time...!!! As opposed to short bursts.... doh!

kc13/02/2015 16:15:00
6277 forum posts
170 photos

A bigger ESC and more cooling then!

Lunch-time flyer13/02/2015 16:55:22
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48 forum posts

not really as the motor wasn't man enough for the job even at full tilt - I was after suggestions of power setups or coments to give up on it... don't want to buy a new motor for no return, but if someone's got a good idea os the scale of setup I'll need it might be worth considering - and as I said I want to add weight too...!

Pete B - Moderator13/02/2015 18:28:33
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Moderator
7625 forum posts
733 photos

I'd say something like a 3542 100Kv motor such as this, a 40A ESC on a 3S pack, with a 12x7 folding prop should give you in the region of 400W, which will be plenty with a bit to spare.

I'm not into hotliners but I think that setup should give you a respectable performance.

I had a similar setup in an old, heavy Super Grone and it worked well - until I entered an oak wood inverted...smile o

Pete

kc13/02/2015 18:41:38
6277 forum posts
170 photos

I am sure Pete meant 1000kv

But is a 40 amp ESC enough? I reckon 60 amp would be better.

Pete B - Moderator13/02/2015 19:02:23
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Moderator
7625 forum posts
733 photos

You're correct, kc - thanks for spotting that!embarrassed

I was pulling about 37A static and, being the climb-and-glide type, I tend not to hammer the ESC too much. I've found the Hobbywings very reliable even at the limit, TBH. A 50 or 60A would certainly give a little more headroomthumbs up

Pete

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