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03-07-2012 02:14 AM  6 years agoPost 1
benben

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Taipei

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The head dampner doesn't last very long on my Ballistic. I ca the dampner in the headblock. I also had the same problem with the ENV. Anyone else having this problem? I am tired of changing the dampner every 2 to 3 flight.

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03-07-2012 02:53 AM  6 years agoPost 2
sjsamuel

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Little Rock, AR

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That's strange. I've never had it like that!! Both ENV and now the Balistic. Ive gotten many many flights before they start to feel like they are giving out!
What blades/headspeed/pitch!?

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03-07-2012 03:03 AM  6 years agoPost 3
benben

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Taipei

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I'm using radix 710V2 with +-12 degree and head speed of about 2100.

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03-07-2012 03:11 AM  6 years agoPost 4
sjsamuel

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Little Rock, AR

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Not sure
Ive ran v2s, fbl, and standards at 2050 with 13deg pitch with great results. Some people say using some Ca to glue the dampers in helps, I've flown without glue till this last set, and now they are glued in and holding up pretty well!
I assume your getting them in the head oriented correctly, they do go in just one way. Not saying your not..just a thought!

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03-10-2012 09:03 AM  6 years agoPost 5
dboi80

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Norway

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I have used trueblood 700 dampeners. Have to use an exacto knife to trim the outside of the dampener a bit, to get it in.
The spindle on the rave is 9mm, the 700 is 10mm. But it compresses so much it works. It`s not optimal cause it is very stiff, but better than the stock ones. I wore them out fast to.
The blades make much more noise and locks a lot harder with the truebloods.
I`am going to try kbdd lime green t700 dampeners, have mounted them but needs some other parts to get the heli in air.

the t700 dampeners are thinner so I use one o ring from the rjx head on each side.

http://helidirect.com/t-rex-600-700...ack-p-10567.hdx

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03-11-2012 03:02 AM  6 years agoPost 6
HeliVIG

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Hearne, TX USA

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Another idea with the stock setup, you can wrap duct tape around the center of the cross shaft between the dampers. Build up the buct tape until it is about 11.65mm in diameter. Then put the head back together. The duct tape bottoms out under hard 3D and will not allow you to crush the dampers and damage them. With this modification even the hardest 3D should do nothing to the dampers.

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03-11-2012 04:03 PM  6 years agoPost 7
benben

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Taipei

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I've used 9mm id 12mm od tubes that I found in aquarium store between the dampner. Worked fine until the ca let go and the dampner got crushed. Might use epoxy next time to glue the dampner.

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03-13-2012 02:15 AM  6 years agoPost 8
superjosh

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Corona, CA

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I use JR o-rings three on each side and shrink tubing on the spindle.. Jr part number JRP970518.

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