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Dnepr Ball Mounts Size


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As Hinted... I need to know the diameter of the Mounting "balls" on the Dnepr...Don't wish to disassemble mine just now...

Looking to put a Dnepr Car on a Harley...Just for Kicks...

Thanks for the help... Now back to simply putting miles on....

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  • 3 weeks later...
On 6/14/2022 at 11:32 PM, racepres said:

You are like me.. Memory is the ....2nd thing to go!!!!

I was in my garage at least ten times in the last week but I always forget to measure the balls and I have four sidecar frames in garage.

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18 hours ago, luca.stere said:

I was in my garage at least ten times in the last week but I always forget to measure the balls and I have four sidecar frames in garage.

Not Funny... Now LMK... Or not....I may just take Mine apart to see... tho Not what I wanted to do.. LOL

Tho for the Price of Just the Hack, I can probably just Park the Dnepr, and Use that Hack... Money Ahead!!

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3 hours ago, luca.stere said:

I have measured the balls, Ural M72 has 27mm, Ural M63 has 28mm and Dnepr has almost 30mm.

Excellent... Exactly what I needed..I owe ya One...Thanks

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10 hours ago, luca.stere said:

I think all balls has to be almost 30mm in diameter but in time maybe the balls has worn out, as you can see the M72 balls are smaller but also the oldest and the Dnepr balls are from 1991.

I figured that... plan on trying to source 30mm balls... wondering if 1" will suffice??

Thanks again...

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Thanks for that.... I ain't too good with the Metric size stuff... but Assume, that bigger attachment bolt size is Better...

Those might be exactly what I need... will try to do some Engineering with that...

If all goes well, I plan on a Dnepr Car, hooked to a
"spare" Harley layin around here... Just a bit more Speed!!!!

 

Darn it... Out of China!!!! will Look diligently for a US supplier... but.... If I can't find one...

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Well 30 mm is a fat 1 1/8" and 12 mm is a skinny 1/2 inch bolt.  I wouldn't want to attach the ball to the frame with anything smaller but you could always drill it out and tap it 5/8 or 3/4.

If you are looking for a US source, look for a drilling ball between 1 1/8 and 1 3/16.  1 3/16 is about 6 thousandths over 30 mm.

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1 hour ago, Wooden Nickel said:

Well 30 mm is a fat 1 1/8" and 12 mm is a skinny 1/2 inch bolt.  I wouldn't want to attach the ball to the frame with anything smaller but you could always drill it out and tap it 5/8 or 3/4.

If you are looking for a US source, look for a drilling ball between 1 1/8 and 1 3/16.  1 3/16 is about 6 thousandths over 30 mm.

Sounds like a Plan... Next trip thru Louisville...I owe ya a toddy

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