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Rx backup battery as onboard glow driver.

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Rx backup battery as onboard glow driver.

Old 04-05-2010, 03:31 PM
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Ronald59
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Default Rx backup battery as onboard glow driver.



This was touched on (back in 09) but I would like to pose this question a bit differently.
I have a twin (4stroke). I have an EMS battery backup system (switches to the backup - only when it is needed).
I have the sullivan (twin) onboard glow system - which can use my 6v Rx pack. Does anyone see a problem
with using the backup battery to run the glow system also? I realize it will be depleted w/ each flight but this would save on
the added weight of an additional battery pack. Or if you were using an onboard system that requires a single cell 1.2v
(which would be an addiitional 5+ oz. of weight). Thoughts?
Thanks,
Ron

Old 04-05-2010, 04:42 PM
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The Ghost
 
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Default RE: Rx backup battery as onboard glow driver.

One problem is towards the end of the flight the backup battery may be flat from glow use just when it is needed. I just converted mine over to spark ign, solved all the problems.

Cheers
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Old 04-05-2010, 07:30 PM
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Ronald59
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Default RE: Rx backup battery as onboard glow driver.

Very cool! Where can I find this ignition system?
Thanks
Old 04-05-2010, 07:52 PM
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MinnFlyer
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Default RE: Rx backup battery as onboard glow driver.


ORIGINAL: The Ghost

I just converted mine over to spark ign, solved all the problems.
Except for the weight of the ignition unit and the 4-cell battery pack.

Just use a single 1.2v cell. It's not going to add THAT much weight, and the irrational fear of adding weight is just silly. Of course there are limits to everything, but the term "lighter flies better" is bunk in my book. Give me a heavy plane anytime. They handle wind much better than a light plane.
Old 04-06-2010, 04:34 PM
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Default RE: Rx backup battery as onboard glow driver.

Ronald, I got the ign unit from [link=http://www.dlenginesaustralia.com/dlshop/]dlenginesaustralia[/link] about half way down the page. You may be able to get them in the US somewhere.

Cheers

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