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04-29-2004 07:21 PM  13 years agoPost 1
steph

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Hampshire England

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I have just got a 3s 3p lipo and after fitting it the c of g was way back with the li-po in the battery holder

so i decided to extend the front tray by 100 mm x 30 mm
so i could fit my 4 cell 600 mah receiver battery further forward and keep the li-po in the tray where it should be now the c of g is just forward of the mast



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04-29-2004 10:52 PM  13 years agoPost 2
Rchover

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Helping Customers!

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nice job on the extention

just a observation and a tip : on your Jazz esc, the back side under the heat shrink is a metal plate and it acts as a heat sink , you should untie the esc and let the back side be in the air flow for max cooling effect.

good luck

Jeremy

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04-30-2004 01:19 AM  13 years agoPost 3
Helifool

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Rochester New York

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Nice mod.

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04-30-2004 09:24 AM  13 years agoPost 4
steph

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Hampshire England

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Hi Mckoi

Good point The other pics dont show what you have said
Thanks for the advice but as you can see from this pic that i have not tied the ESC down it is suspended with the cabels


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04-30-2004 10:57 AM  13 years agoPost 5
Reefer

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ShaTin, Hong Kong

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steph,
Have you had any problem with BEC of Jazz ESC?
Why use 4 AAA?
If your purpose of tray is only for CG, have you think about moving Lipo forward?

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04-30-2004 11:07 AM  13 years agoPost 6
Helifool

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Rochester New York

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I recommend that you use u-bec or s-bec instead of carrying that rx pack. It just adds weight and you have to worry about it being charged or not.

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04-30-2004 11:35 AM  13 years agoPost 7
steph

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Hampshire England

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I had a problem with the first ESC and motor the esc was getting very warm and the 30 sec shutdown of the jazz kept cutting in so i changed the motor and ESC and it has work very well up to now works even better on the li-po 3s3p

I use the 4 cell 600 mah battery because kontronik recomend using one to back up the BEC on their ESC thats the only reason and at 50grams is not going to make that much difference to my style of flying

The li-po battery by moving it forward the battery would not be fully supported at the front end and i was not happy with that and i rather the li-po to be in the battery tray so it is fully supported

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04-30-2004 05:12 PM  13 years agoPost 8
wink

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Utrecht, Holland

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Silly question...... but I always learned to keep the receiver and the gyro as far as possible away from those things electric power runs through... like the jazz.... Aren't you afraid of glitches due to this construction? I must admit that I'm still not sure if I will replace the reveiver and gyro to the front... It looks so much better under de canopy.

Cheers, wink

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04-30-2004 06:14 PM  13 years agoPost 9
steph

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Hampshire England

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My gyro is still at the rear of the eolo i have put the receiver on the front simply because there is now more room there and it makes a tidy er wireing loom i have heard of people having glitches with mounting the receiver near the motor and esc i have flown the eolo twice now without a problem anyway i think these problems were because of brushed motors and inferior radio equipment of the dark ages oppps i think i should not have said that i will now be bombarded
Any how if i have glitches that i dought as i have the jr 770s receiver i wont even see them unless it glitches that much that it goes into fail safe

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04-30-2004 07:14 PM  13 years agoPost 10
steph

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Hampshire England

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I have just had a 20 min flight without any glitches at all the eolo was as smooth as a babys bottom

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04-30-2004 08:07 PM  13 years agoPost 11
wink

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Utrecht, Holland

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Steph,

Thanks for your reply.... I think you convinced me to move the reveiver. A couple of weeks ago I already installed a CFK plate on the front..... tomorrow might be the day of moving the receiver.

Thanks, regards, wink

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04-30-2004 10:10 PM  13 years agoPost 12
steph

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Hampshire England

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Try it and see are you using ppm or pcm receiver take it easy on the first flight even run it up without the main blades on to prove its not glitching

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04-30-2004 11:15 PM  13 years agoPost 13
Heliman1

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Hampshire UK

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So you did it then

Ha Steph
So you could not resist it the you brought the lipo's ,
What one's did you buy?
Where did you buy them from?
What did you pay for them?
What charger are you using?

thanks for your reply

BTW are you a firman

Clive H.

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05-01-2004 04:06 PM  13 years agoPost 14
steph

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Hampshire England

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HELLO HELIMAN 1

Yes i have gone li-po and you will see the eolo fly on sunday i will chat to you then about it at the club comp

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05-05-2004 08:00 AM  13 years agoPost 15
guillaume83

rrApprentice

Toulouse (France), home of the A380

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hi all,
i too decided to make a front receiver tray,but to my own specs
check it out http://www.rcgroups.com/forums/show...825#post2129825
definitely worth it since i can now have my battery packs much further aft.
guillaume

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