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Crankshaft Dynamic Balancing Recommendations #776789 06/18/19 9:43 pm
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Denis J Offline OP
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Hi all
The company I have been using for the last few years recently closed the doors. Falicon cranks

I was recommended to call Crankworks - They come with a good reputation, but they do not service 1 piece cranks like out brit bikes

I am hoping you guys have a recommendation from experience. I am very much concerned with your experience as I have installed cranks that were "balanced" to have a machine that better resembles a jackhammer.

Thank you!


...no idea what your doing
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Re: Crankshaft Dynamic Balancing Recommendations [Re: Denis J] #776808 06/19/19 12:32 am
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Chris Johnson Offline
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Revco in Long Beach. I had to lightly assemble and true my b50 crank for balancing, then disassemble afterwards to install the rod.

Chris

Re: Crankshaft Dynamic Balancing Recommendations [Re: Denis J] #777939 07/04/19 4:52 pm
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Denis J Offline OP
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Thanks for the tip

Here are the 2 places I have narrowed it down to:

Marine crankshaft - Knows and is very familiar with Brits and motorcycle performance

Kenmonth Machine - since 1932 family owned and also familiar with Brits - great pricing and super close to me so I can walk in for a verification Shop looks well established and clean.

Both these guys specialize in forged 1 piece cranks. It was very interesting how many places I called (38 total across the US) that do not work on 1 piece cranks regardless of make.


...no idea what your doing
Re: Crankshaft Dynamic Balancing Recommendations [Re: Denis J] #777954 07/04/19 10:21 pm
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Nick H Offline
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Any East Coast USA recommendations?


1966 BSA Lightning
(2) 1967 Triumph "Choppa"s
1974 Indian ME125
Re: Crankshaft Dynamic Balancing Recommendations [Re: Denis J] #778390 07/11/19 6:26 pm
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Peter Quick Offline
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You are in luck Nick. A great place to use is: http://www.lindskog.com/

Lindskog balances all sorts of things but they do have an in house specialist that does motorcycle cranks. They are in Boxborough, MA.

Peter

Last edited by Peter Quick; 07/11/19 7:49 pm.

check out: www.bsaunitsingles.com
2500 BSA part numbers with inventory in stock just for the unit singles!
Re: Crankshaft Dynamic Balancing Recommendations [Re: Peter Quick] #778397 07/11/19 7:19 pm
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MarcB Online Content
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Originally Posted by Peter Quick
You are in luck Nick. A great place to use is: http://www.lindskog.com/

Lindskog balances all sorts of things but they do have an in house specialist that does motorcycle cranks. They are on Boxborough, MA.

Peter


I literally picked up my BSA crank from Lindskog this morning. Nice shop, easy to deal with.

Re: Crankshaft Dynamic Balancing Recommendations [Re: Nick H] #778415 07/11/19 9:33 pm
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bodine031 Offline
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Jaye @ Britech 774-230-3516 Southbridge MA. www.triumphday/britech.com

Re: Crankshaft Dynamic Balancing Recommendations [Re: MarcB] #778419 07/11/19 10:27 pm
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Nick H Offline
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Originally Posted by MarcB
Originally Posted by Peter Quick
You are in luck Nick. A great place to use is: http://www.lindskog.com/

Lindskog balances all sorts of things but they do have an in house specialist that does motorcycle cranks. They are on Boxborough, MA.

Peter


I literally picked up my BSA crank from Lindskog this morning. Nice shop, easy to deal with.


Epic! Thank's! Was it an A-65 crank? What was the "balance factor"?


1966 BSA Lightning
(2) 1967 Triumph "Choppa"s
1974 Indian ME125
Re: Crankshaft Dynamic Balancing Recommendations [Re: bodine031] #778420 07/11/19 10:30 pm
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Nick H Offline
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Originally Posted by bodine031
Jaye @ Britech 774-230-3516 Southbridge MA. www.triumphday/britech.com


Does Jaye have the equipment? I've spoken to him and got the impression he was not interested in taking on my BSA machine work, ie semi-retired.
Had a nice long chat though.


1966 BSA Lightning
(2) 1967 Triumph "Choppa"s
1974 Indian ME125
Re: Crankshaft Dynamic Balancing Recommendations [Re: Nick H] #778431 07/12/19 1:30 am
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MarcB Online Content
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Originally Posted by Nick H

Epic! Thank's! Was it an A-65 crank? What was the "balance factor"?

Yes, A65 crank balanced to 70%.

Re: Crankshaft Dynamic Balancing Recommendations [Re: Denis J] #778449 07/12/19 9:26 am
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Allan Gill Online Happy
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Most important thing to balance out is the rocking couple, the factor is less important, although mine is 62% which i mentioned I beleive the factory used 64%. mine was done to be good at 4500 rpms, its good right the way through tbh.


beerchug
Re: Crankshaft Dynamic Balancing Recommendations [Re: bodine031] #778481 07/12/19 4:02 pm
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Peter Quick Offline
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Originally Posted by bodine031
Jaye @ Britech 774-230-3516 Southbridge MA. www.triumphday/britech.com


FYI, Britech does nothing in house, like machining, balancing, boring, etc. All gets farmed out to others to do. Not a bad business model as a facilitator, but for you, going straight to Lindskog would be a faster, cheaper and better option. That way you actually know who did the work.

Peter


check out: www.bsaunitsingles.com
2500 BSA part numbers with inventory in stock just for the unit singles!
Re: Crankshaft Dynamic Balancing Recommendations [Re: Denis J] #778755 07/15/19 10:50 pm
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Nick H Offline
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How about a local (Eastern MA) machinist for BSA and Triumph? Cylinder boring, bearing line bore, crank grinding, etc.


1966 BSA Lightning
(2) 1967 Triumph "Choppa"s
1974 Indian ME125
Re: Crankshaft Dynamic Balancing Recommendations [Re: Nick H] #778763 07/16/19 2:07 am
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MarcB Online Content
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I just took it all to Don Hutchinson in Wakefield. He did the timing bush in house but sent out the head and cylinder/pistons to an outside machinist. Took about 4 months to get it all done, though.

Re: Crankshaft Dynamic Balancing Recommendations [Re: Nick H] #778786 07/16/19 8:33 am
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Bart223 Offline
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Originally Posted by Nick H
How about a local (Eastern MA) machinist for BSA and Triumph? Cylinder boring, bearing line bore, crank grinding, etc.


Advanced Engine Rebuilding-Wareham, Ma

This guy has a good reputation for auto engine rebuilding, and I've heard that he does motorcycles as well, but you'd have to call him to verify that. Let me know if you do, I might need some engine work done on my T140 this winter


1979 Triumph T140E
1973 Daytona T100R
Re: Crankshaft Dynamic Balancing Recommendations [Re: Denis J] #778870 07/16/19 9:27 pm
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Nick H Offline
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Thanks, good leads.


1966 BSA Lightning
(2) 1967 Triumph "Choppa"s
1974 Indian ME125

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