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T-REX 450 › Tool to measure linkages
08-08-2007 08:40 AM  10 years agoPost 1
zsultan

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USA

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What tool do you guys use to measure linkages of T-Rex 450???

Thanks

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08-08-2007 09:22 AM  10 years agoPost 2
extreme3d

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West London, UK

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Electronic Digital Calliper purchased from my local electronics store.

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08-08-2007 09:38 AM  10 years agoPost 3
Chook

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Esperance Western​Australia

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Ditto that extreme3d.
About $20.00 with post, off eBay. A turn on a ball link can be measured to check it's the same measurement as the other side. A really handy purchase I use constantly. They are cheap so only go for the stainless steel ones. The plastic ones are ordinary, don't handle temperatures when left in a car. Don't ask me how I know.

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08-08-2007 03:19 PM  10 years agoPost 4
zsultan

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USA

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Where can i buy this Electronic Digital Calliper ? radioshack?

Thanks

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08-08-2007 03:23 PM  10 years agoPost 5
extreme3d

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West London, UK

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Google search, found this for you.....

http://www.littlemachineshop.com/pr...?ProductID=1758

Paul

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08-08-2007 03:29 PM  10 years agoPost 6
cwright

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Blossvale New York

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http://www.harborfreight.com/cpi/ct...temnumber=47257Here is the one I use. Works very well. Chuck

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08-08-2007 03:34 PM  10 years agoPost 7
zsultan

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USA

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Thank you guys

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08-08-2007 03:35 PM  10 years agoPost 8
zsultan

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USA

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Does TRex 600N linkages measure more than 6"?

THanks

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08-08-2007 06:43 PM  10 years agoPost 9
Air_Alpheus

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Warrenton. VA

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only the one that goes from the rudder servo to the tail rod control arm and of course the tail rod that goes down the boom...

Its What I dont Say You Should Be Worried About...
Bruce A Aunkst III
Team AirThunder

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08-08-2007 10:10 PM  10 years agoPost 10
alwallash

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Morgan Hill, CA​(near San Jose)

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Most ball link distances are given center to center.
So using the caliper alone leaves some error.

I have metal posts that clamp onto the caliper with set screws.
Then the link goes into the posts and measures center to center.

I forgot where I got them.
They are invaluable.
Al

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08-08-2007 10:16 PM  10 years agoPost 11
nojohnny101

rrElite Veteran

10 miles north of​Cincy, OHIO

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hey
i use calipers too (digital)...alwallash i think is talking about THIS

happy flying!!

Thanks
~Will-i-am~

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08-09-2007 03:00 AM  10 years agoPost 12
T-Rex-Flyer

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Panama City, Fl

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Digital Calliper

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08-09-2007 03:49 AM  10 years agoPost 13
Cameron

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St. Johns, Florida

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Digital caliper with these. http://www.ronlund.com/Merchant2/me...egory_Code=ZFMP
They Work Awesome!

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08-09-2007 09:02 AM  10 years agoPost 14
Chook

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Esperance Western​Australia

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By using the inside measurment of both the ball ends with the external side of the callipers and taking note, then the outside measurment (still measuring inside the ball link socket) with the internal side of the callipers add the two measurments together divide by 2 and there is the centre to centre to a thou of an inch/.00mm.

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08-09-2007 10:03 AM  10 years agoPost 15
andrewt1971

rrNovice

Leeds, West​Yorkshire, UK

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If you're using digital calipers Chook a much simpler method is, measure the id of one ball socket, zero the calipers at the measurement (4.7mm?)then measure the overall length using the id of both sockets, no maths required, that's your centre to centre length.

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08-09-2007 01:54 PM  10 years agoPost 16
jhamlinjr

rrKey Veteran

Milledgeville, GA,​United States

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I use the ones that rc car guys use to get their shocks to have equal travel. They have side by side balls with measurements and another set that are movable. Cant go wrong on distances.

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08-10-2007 02:12 PM  10 years agoPost 17
Chook

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Esperance Western​Australia

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Hi andrew1971, Never thought of that, very clever. I'm an old dog set in my ways from the days of verniers and good eyesight. Owe you a beer for that one. Cheers Chook

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