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Old 07-13-2009, 11:19 AM   #1 (permalink)
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Help! CMpro 100 cc Extra 330 L

Hi Guys.... i recently purchased this and i built it as light as i think i could... and it comes in weighing @ 31.4#!!!!!!!!!

3W 106ib2
02ea rudder servos with airwild servo mount JR 8711
02ea elevator servo JR8711
04ea ailerons servo HITEC 5955
01e throttle servo HITEC 5625
power box expert with 02ea switches
02ea 5600mah 7.4v Li-on
28x10 carbon spinner and prop
40oz fuel tank


The wing spar weighs 590grams!!!!!!!.. will change it to a CF one... but will a plane this heavy be able to do 3D and hover? please advise how to lighten this plane... it had a fibreglass fuse and built up stabs.... do i really need the power box? can i just use a voltage regulator?... one of those dualsky regs with a fail safe?... pls help
thank u
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Old 07-14-2009, 01:07 PM   #2 (permalink)
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Default Re: CMpro 100 cc Extra 330 L

guys... some help please?? how do i lighten this apart from CF wing tube?. is a 30oz fuel tank enough?... im still running rich and will a 3W 106 pull this 31# brick out of a hover?
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Old 07-16-2009, 05:09 AM   #3 (permalink)
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Default Re: CMpro 100 cc Extra 330 L

hello???
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Old 07-16-2009, 05:40 AM   #4 (permalink)
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Default Re: CMpro 100 cc Extra 330 L

man, you really dont need 2x5600 Mah batteries..that is way over kill.
you could chop a bit of weight out also by going with a 32OZ tank..a 40oz is a little large.
You could do away with the power box but i dont really think that is accounting for too much of the weight..
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Old 07-16-2009, 03:57 PM   #5 (permalink)
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Default Re: CMpro 100 cc Extra 330 L

OK... thank you.. so it is ok without the power box?... cause it has the 2 switches as well... so i guess just a reg would do?....and lets say 02ea 2600mah li-on?...
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Old 07-17-2009, 07:03 AM   #6 (permalink)
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Default Re: CMpro 100 cc Extra 330 L

http://www.cmpairplane.com/aerobatic...gasengine.html

link for the plane.... its says CF wing tube but it came with a flag pole.... i like the plane but i need to lighten the beast...ive got TBM 5" spinner and wheel pants... J&J tailwheel and a 28x10 mejlik prop.......im gonna use the dualsky reg instead of the powerbox.... change out the 02 5600mah batts to 2600mah batts...and use a 32oz tank... and of coz if i can find a wing spar tat size....so im hopin this would really lighten it up...

oh the wing spar is 1300mm x 40mm..... real long.... anyone know where i can find this length.... TBM and a lot of places dun have one....
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