OM 606 crankshaft grinding

STD Tuning Engine OM 606 crankshaft grinding

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baldur

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506

01-29-2019, 06:36 AM #12

(01-28-2019, 07:55 PM)zeeman
(01-28-2019, 08:09 AM)baldur
(01-27-2019, 10:17 PM)zeeman You are not balancing the up and down motion with the crank. Your are balancing the rotating mass of the crankshaft. The pistons are balanced by their weight as well as the rods big end and small end. It doesn't matter if it is an inline or opposed cylinder. Balancing is balancing.
Except there's an even number of evenly spaced rotating masses attached to the crank. You do not bob weight balance a crank for an inline 6 engine, you balance the crank by itself and you balance the rods by themselves.

I think the balancer is quite aware of that. What is your point?

My point is that changing pistons or rods does not put an inline 6 crankshaft out of balance.

Baldur Gislason

baldur

01-29-2019, 06:36 AM #12

(01-28-2019, 07:55 PM)zeeman
(01-28-2019, 08:09 AM)baldur
(01-27-2019, 10:17 PM)zeeman You are not balancing the up and down motion with the crank. Your are balancing the rotating mass of the crankshaft. The pistons are balanced by their weight as well as the rods big end and small end. It doesn't matter if it is an inline or opposed cylinder. Balancing is balancing.
Except there's an even number of evenly spaced rotating masses attached to the crank. You do not bob weight balance a crank for an inline 6 engine, you balance the crank by itself and you balance the rods by themselves.

I think the balancer is quite aware of that. What is your point?

My point is that changing pistons or rods does not put an inline 6 crankshaft out of balance.

Baldur Gislason