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"Universal" battery adapter

Old 07-16-2011, 07:39 PM
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Digital Don
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Default "Universal" battery adapter

Here's something I'd like to share with you guys.

If you have an MSR or MCX and any of the ultra-micro planes, you know that batteries with Velcro needed by the planes won't fit the helis.

The other day I received six batteries I had ordered for my Extra 300 UMX. They didn't come with Velcro attached and I didn't have enough in my parts box for all six. Since the batteries came the same day we get to fly in the Resource Center, I needed a quick solution. The result is pictured below.

I took a piece of heat-shrink tubing that fit over the battery and VERY CAREFULLY shrunk it so it was snug but still easily removable. Next I attached a piece of Velcro to one side. On the other side, I attached a pull-tab made from self-adhesive covering trim sheet.

It worked great on the Extra - better than using a battery with Velcro stuck to it directly in fact. I don't have an MSR any more, but I also realized that if I did, I could use the same battery either in it or my planes with this adapter.
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Old 07-17-2011, 03:50 AM
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Default RE:

Excellent , too late I already stuck velcro to all of mine.
Old 07-17-2011, 08:37 AM
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Default RE:

Don, I use the same trick. I can use the same batteries for my planes and my mSR. I also made a sleeve for my mCPX battery.
Old 07-17-2011, 03:52 PM
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Digital Don
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Default RE: RE:

Great minds think alike!

I had the chance to fly (hover actually) a buddy's mCPX last week. This was a bad move on my part... now I want one too!

In the 'normal' flight mode (which is all I tried) it was similar to flying my 120 SR but with more of a tendency to wander. Not too bad at all though!

Don
Old 07-18-2011, 12:55 PM
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Default RE:

Aww man, wish I thought of that, all my batteries have Velcro stuck to them now, so I cant fly my mSR if I wanted to.  I had stuck some foam and velcro to a 500mah batt from the 120 SR to try on my UM T28, flew like crap, so now I have to take it off.
Old 07-18-2011, 04:28 PM
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Default RE: RE:

You could peel the velcro off[X(] don't ask how I know that is possible

Tim
Old 07-18-2011, 05:26 PM
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Default RE: RE:

I've removed Velcro from batteries and found the adhesive they use is strong and very sticky. Try applying some 'Goo Gone' or cigarette lighter fluid to the Velcro strip and wait a minute or two and it will be much easier. Plus those solvents will also remove all traces of the glue from the battery.

Don

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