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Can you identify the brand of this fine post ball link?

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Can you identify the brand of this fine post ball link?

Old 07-09-2015, 09:25 AM
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rustyrivet
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Default Can you identify the brand of this fine post ball link?



[HR][/HR]The fine thread post of the ball link on the left is particularly well suited for a small 7gr micro servo like a Futaba S3114. The Great Planes threaded post on the right is too large and requires too big of a hole be drilled in the small servo arm.

Can anybody identify which brand it is?.... even better, maybe the model number so I don't end up ordering another $7 package of ball links at $8 shipping that I can't use. Thanks!
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Old 07-09-2015, 03:49 PM
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FLAPHappy
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I am thinking it is a Sullivan Ball Link. They have 2 different sizes, 2-56 and 4-40. 2-56 is the small one. and 4-40 is for larger control horns and servo arms.
Old 07-09-2015, 04:01 PM
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acerc
 
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If needing smaller than a 2-56 the Great Planes 1/16" ball link, part #GPMQ 3842 would fit the bill.
Old 07-09-2015, 06:33 PM
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Rusty,

That might be a DuBro stock #190. I use them for throttle connection on glow engines so i don't have to drill out the throttle arm. Stud is 1/16" with 0-80 threads.
Old 07-09-2015, 07:46 PM
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The both in the photo are for 2-56 rod and not 4-40.

I just finished using a caliper on both posts to determine the large one on the right is .082" (which is a hair bigger then a 5/64 drill bit), and the small post on the left is exactly .062" (or a 1/16" drill bit in diameter)
Great Planes offers them in both sizes and it's catolog #3843 in the 1/16" size that I should have ordered. I was not aware of the two different sizes at the time and ordered the first one I saw on Tower Hobbies ........hence, why I don't gamble......because even with those decent 50/50 odds I almost always pick the wrong one and lose! LOL . Thanks for the help gents.

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