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Posted by Kurtus | Jan 08, 2013 @ 01:59 AM | 2,561 Views
Felt the need for a good prop balancer and instead of buying one i thought itd be interesting to build one as the magnetic ones look cool. This is version 2.

Base 30mm x 50mm x 2mm aluminium 80mm length
2 Uprights 29mm X 1.5mm square aluminium 110mm length
4 Rivets 4mm diameter 3.2mm grip
4 Rare Earth Magnets 12mm x 1.5mm Super-Strong Round Neodynium N35
Simple Prop Balancer Rc off Ebay ... 45mm long 4mm prop shaft and bigger
Super Glue new flexible shock resistant type or 2 extra magnets
800-1000-2000 wet n dry sand paper - buffer
Bench Drill

Cut the base and measured and drilled only one 4mm , 5/32 hole on both sides dead center 10mm down from the top and one hole in each upright 20mm up from the bottom and the reason why i do this is so i can true it up using a right angle square before the glue sets.
Before any assembly i sanded down to 2000 wet and dry and then a quick polish on the bench buffer.

I cleaned the sections for glue put the glue on, installed one rivet and trued it up quickly but accurate using a right angle square as the glue sets real quick even though its not a instant type. Then i drilled and installed the second rivet 10mm up from the bottom before going to the other side.

The magnets stick like something to a blanket instantly so i roughed up the glue side and placed thier center 12mm down from the top of the upright and im not sure if polarity matters but mine are placed so if you hold one side of a extra magnet...Continue Reading