How to internally balance a rotating assembly
12-19-2003, 11:24 PM
#1
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Join Date: Jan 2003
Location: Mooresville, NC
Posts: 2,043
How to internally balance a rotating assembly
I see cranks/rods/pistons advertised as "Int Balanced." If I get an internally balanced crank (Scat 9000), GM Pink/PM rods, and forged pistons (which are also internally balanced), will my engine be balanced? Can I run a neutral balancer?
Balanced rotating assemblies are expensive, so I'd be happy if I could get away with a $600 setup:
Crank-200
Rods-200
Piston-200
-Rippin
Balanced rotating assemblies are expensive, so I'd be happy if I could get away with a $600 setup:
Crank-200
Rods-200
Piston-200
-Rippin
Last edited by Black6SpdTA; 12-19-2003 at 11:50 PM.
12-20-2003, 01:59 AM
#2
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Join Date: Feb 1999
Location: Springfield,OH. U.S.A.
Posts: 2,947
The crank is basically spun balanced like tires, drilling to lighten counterweights, or drilled and filled with heavy metal to add weight. The pistons and rods are done similarly on a scale.
I'd always run a good, fluid type damper, to cancel any harmonics, or resonating vibrations that are near impossible to eliminate.
I'd always run a good, fluid type damper, to cancel any harmonics, or resonating vibrations that are near impossible to eliminate.
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