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02-14-2007, 12:54 PM
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#1 |
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Gone fly'in
 Join Date: Jan 2006
Posts: 744
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Blade balancer
Hey
Just getting my MX400 ready for its first flight. I realize I need a blade balancer can anyone make a suggestion on which on to get.. Thanks los |
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02-14-2007, 01:28 PM
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#2 |
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Bad-ass Super Contributer!
Join Date: Jan 2006
Age: 39
Posts: 2,340
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Re: Blade balancer
the align one is cheap, it also fits into the dubro prop balancer also.
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02-15-2007, 02:43 PM
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#3 |
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Flyin' Around
 Join Date: Oct 2006
Location: Torrington, Ct
Posts: 28
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Re: Blade balancer
A piece 0f 2mm threaded rod and a couple of 2mm nuts/w washers is all you'll ever need for an MX400, thread them on a rod, leading edge down, snug them so they don't move, balance on a cpl of coffee cups.
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02-16-2007, 01:10 PM
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#4 |
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Gone fly'in
Join Date: Jan 2006
Posts: 744
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Re: Blade balancer
Cool.. and I'll balance across a pencil to find the CG.
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02-16-2007, 04:11 PM
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#5 |
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Bad-ass Super Contributer!
Join Date: Jan 2006
Location: Pennsyvania
Age: 38
Posts: 1,019
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Re: Blade balancer
Kroll Pro by miniature, expensive but very nice.
Albert |
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02-16-2007, 04:51 PM
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#6 |
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Gone fly'in
Join Date: Jan 2006
Posts: 744
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Re: Blade balancer
Kroll Pro is nice but very expensive. Helimax balancer looks like cheap plastic for around the
same price I think I'm going for the Century Accuratech. |
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02-17-2007, 12:22 AM
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#7 |
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Bad-ass Super Contributer!
Join Date: Jan 2006
Age: 34
Posts: 891
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Re: Blade balancer
I just got some align pro woodies and I couldn't find my align balancer. I cut down a 2mm bolt. That and a couple of nuts and plastic cups worked great. For the cog I used an exacto knife handle and couple nicads as guides. Uber cheap, worked fine.
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02-20-2007, 09:40 PM
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#8 |
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Gone fly'in
Join Date: Jan 2006
Posts: 744
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Re: Blade balancer
Well I need to get her done. So I used a pencil to find the CG. Then I got some threaded
rod and a couple bolts and screwed the blades on the rod and balanced the blades in my Dubro prop balancer. Worked like a charm. Then I went out and broke my Heli 
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02-20-2007, 09:43 PM
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#9 |
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Bad-ass Super Contributer!
Join Date: Jan 2006
Age: 34
Posts: 891
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Re: Blade balancer
DOH!
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02-27-2007, 10:43 AM
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#10 |
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Smoke on!
Join Date: Jul 2006
Location: Oak Ridge, NC
Posts: 4,213
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Re: Blade balancer
You could also use the heli itself. Without the blades position the heli on its side at the edge of a table and make sure the head is balanced. Then bolt on the blades and balance away!
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02-28-2007, 09:29 AM
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#11 |
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Flyin' Around
Join Date: Oct 2006
Location: Torrington, Ct
Posts: 28
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Re: Blade balancer
That method is ok as long as the motor is not engaged with main gear, the head needs to free rotate, and on most electrics that will be prevented by the main motor or one way bearing.
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02-28-2007, 09:41 AM
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#12 |
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Smoke on!
Join Date: Jul 2006
Location: Oak Ridge, NC
Posts: 4,213
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Re: Blade balancer
just disengage the pinion
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02-28-2007, 11:46 AM
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#13 |
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Bad-ass Super Contributer!
Join Date: Jan 2006
Age: 34
Posts: 891
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Re: Blade balancer
That's what I do on the bigger heli's just to make sure it's cool. I also pop the links of the swash to clear any interaction. In the past 2 years I havn't had a set of cf blades (600 and up) that needed to be balanced(sab's, V's, TT's, Radix, Rotortechs)
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08-28-2007, 02:45 AM
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#14 |
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Flyin' Around
Join Date: Aug 2007
Location: Rathdrum, Idaho USA
Posts: 15
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Re: Blade balancer
Hey go to www.helifreak.com Finless Bob has a video blade balancing 101, a simple quick way to do it and it's a free download. Happy flying---Vernski
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