March 27th, 2018, 08:47 AM
|
#11
|
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011
Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C
Posts: A lot.
MOTY - 2018, MOTM - Nov '17
|
Quote:
Originally Posted by adouglas
Sure it makes sense. Cooling pistons by oil jet is quite common. A lighter piston needs it, because there isn't as much metal there to use as a heat sink. Flip that around: if you design the oil system to spray the underside of the pistons so as to cool them, then you can make lighter pistons. Therefore less reciprocating mass, therefore higher rpm and faster acceleration, etc.
From https://en.wikipedia.org/wiki/Intern...engine_cooling
|
Yeah, I've always notched the con-rod to squirt oil under pistons. Just never used it as method to lighten a piston. I wonder what the 400 piston weighs... or what it's made of... cast? Forged? Hypereutectic?
|
|
|