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TOWER HOBBY 40 MARKII

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Old 10-14-2004, 07:02 PM
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MAKODS
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Default TOWER HOBBY 40 MARKII

I have just purchased a Tower Hobby 40 MarkII to convert to electric. I currently have 11 park flyers with several different brushed and brushless motors so I am not new to this by any means. I am trying to decide if I should go brushed; a friend of mine is flying a Sig Senorita with an Astro 15 with a 3.6:1 gearbox and 16cell sanyo 1700mah pack and it flies very nice. I am also leaning toward the AXI 2826. The Astro 15 with gear box is 139.00. 45 amp ESC I found for 40.00. The AXI 2826 is 119.00, 25.00 for mount and around 89.00 for ESC.
I would like to hear any opinions you might have on which way to go. The specs on the plane are, wing span 62", wing area 698sq in and weight 5lbs. Thanks in advance.
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Old 10-15-2004, 08:28 AM
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StephenT
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Default RE: TOWER HOBBY 40 MARKII

makods


I have converted an Avistar another high wing trainer to electric. I have done both Brushed and Brushless. See my Avistar thread started by my son 3dandp flyer for a brushed conversion.

Going with a BRUSHED system cost me ALMOST as much as my original brushless system. The reason is the Speed Control needed costs as much as a Brushless controller. Plus there is a BEC problem with the GRIFFEN 55 that is solved w/using a seperate Rx battery pack. With my brushless system I didn't need this Seperate Rx pack.

A Brushed system flies w/8 cells and a Brushless system needs 10-12.

The Brushless system will cost more, but the motor lasts a long time. I have went through 3 brushed motors in my Avistar in 3 months. The first 2 motors could not handle the Amps. The 3rd motor works good. After 2 years of use in four planes my original Jeti brushless motor that started in My Avistar is still going.

good luck!!


Either way it is fun!!!!
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Old 10-15-2004, 11:41 AM
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Matt Kirsch
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Default RE: TOWER HOBBY 40 MARKII

Just do a search. You'll see my conversion of the same plane described in some detail.

I used the classic "Gary Wright E3D" power setup.
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Old 10-15-2004, 02:10 PM
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Default RE: TOWER HOBBY 40 MARKII

Thanks for the imput guys, it is appreciated.
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Old 10-15-2004, 06:36 PM
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Default RE: TOWER HOBBY 40 MARKII

I used the classic "Gary Wright E3D" power setup.
Avistar Conversion with classic "Gary Wright E3D" power setup

http://www.rcuniverse.com/forum/Avis...2043878/tm.htm

TTYL, Andrew T.
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