Home |
Search |
Today's Posts |
|
Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
Reply |
|
LinkBack | Thread Tools | Display Modes |
#1
|
|||
|
|||
Another piston ring question
Hi,
As everyone was so helpful with my last question about piston rings, I'd like to ask another. I unwrapped the new rings for my Wolseley engine this afternoon ready for fitting. Surprisingly there were four rings in the pack, whereas there are three on the piston. The first two rings on the piston are identical plain cast iron rings a little over 1/8" thick. The third ring is a slotted cast iron oil control ring about 1/4" thick (the bore is 3"). In the packet I have two identical rings which fit the first two grooves fine. Then I have a slotted oil control ring which is narrower that the original (perhaps by 1/16"), and a very thin ring which is about 1/16" thick. When placed together these two rings are the same thickness as the original oil control ring, and fit neatly into the groove. So it would appear that I am intended to replace the original oil control ring with two rings. Is this common practice when the correct ring is unavailable? I bought the rings a few years back and now I have a vague recollection of some discussion about this, but I can't remember the details. I just need to decide whether it's okay to fit these rings. I should point out that this is a big, chugging engine which isn't highly stressed (1.5 hp at 700 rpm with a 3" bore) so it's probably going to be more forgiving than modern engines. What do people think? Any suggestions would be much appreciated. Many thanks, Chris |
#2
|
|||
|
|||
Christopher Tidy wrote in
: Any suggestions would be much appreciated. It will be perfectly fine to use the new set-up. This is actually an improvement over the original. The thin ring is a 'wiper' and in combination, will do a better job than the original. -- Anthony You can't 'idiot proof' anything....every time you try, they just make better idiots. Remove sp to reply via email http://www.machines-cnc.net:81/ |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|