Champ - Magnetic Battery
Here's how to modify the Champ to hold the batteries in place with small magnets. It adds minimal weight, and in exchange the battery always sticks, and even better, sticks in the correct spot.
This method requires opening up the fuselage. If you would rather not open up the fuselage, another way to do it is
HERE.
The jigs are available
HERE.
The other Champ mod videos are all listed
HERE.
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