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Old 10-08-2007 | 11:37 AM
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cactusflyer
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From: Anthem, AZ
Default RE: Wren 54 upgrade ecu battery question


ORIGINAL: 747drvr

It's certainly not the first time someone has done that and won't be the last ! Of course I've never done that ....

Marc
...'Been there, 'done that...........Didn't even get the t-shirt!

BTW, The new Ni-Mhs should be fine. They can certainly pump out the required amps. I switched from Ni-Cads to Li-Pos a while back. The only change that I saw was that I had to decrease the plug power to keep from blowing the glow plugs. I think that the Li-po had higher voltage under load and therefore the plug saw more juice than with the tired Ni-cads that I was using. I'm a little squeamish about charging the Li-po in the plane though. I only use it where I can easily remove the battery for charging.

Has anyone tried the A123 cells for the ECU?

I hope that this helps.

Tailwinds,

John