Dry sump >>> vertical shaft
Dry sump >>> vertical shaft
(OP)
Does "dry sump" imply that a normally horizontal shaft engine can be permanently operated as a vertical shaft engine?
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS Come Join Us!Are you an
Engineering professional? Join Eng-Tips Forums!
*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail. Posting GuidelinesJobs |
Dry sump >>> vertical shaft
|
Dry sump >>> vertical shaftDry sump >>> vertical shaft(OP)
Does "dry sump" imply that a normally horizontal shaft engine can be permanently operated as a vertical shaft engine?
Red Flag SubmittedThank you for helping keep Eng-Tips Forums free from inappropriate posts. Reply To This ThreadPosting in the Eng-Tips forums is a member-only feature.Click Here to join Eng-Tips and talk with other members! |
ResourcesThe world has changed considerably since the 1980s, when CAD first started displacing drafting tables. Download Now
Prototyping has always been a critical part of product development. Download Now
As the cloud is increasingly adopted for product development, questions remain as to just how cloud software tools compare to on-premise solutions. Download Now
Engineering-centric businesses face a number of challenges today, but unmanageable design and change processes don’t need to be counted among them. Download Now
|
RE: Dry sump >>> vertical shaft
RE: Dry sump >>> vertical shaft
RE: Dry sump >>> vertical shaft
Probably not. Most dry sump recip engines still rely on gravity for
ensuring that the lube oil eventually drains to a location near the
scavenge pump pick-up(s). If you took a recip engine with a dry sump lube
system that was designed to operate with the crank horizontal, and
operated that engine with the crank vertical, the likely result would be
that the bottom end of the crankcase would simply fill up with oil. The
crank, rods, etc. splashing through a pool of oil would cause massive
windage losses and overheating/foaming of the oil. Not to mention loss of
oil flow in the pressure pump circuit.
The only exception I can think of are some recip aircraft engines that had
lube systems designed for sustained operation inverted or with negative
G's.
Hope that helps.
Terry
RE: Dry sump >>> vertical shaft
This may be slightly beside the point - but the bigger Honda four-stroke outboards are based on their various car engines standing on end instead of horizontal. I don't know how they arrange their oil drainage or whether they are dry sump etc.
RE: Dry sump >>> vertical shaft
Regards
Pat
See FAQ731-376: Eng-Tips.com Forum Policies for tips on use of eng-tips by professional engineers &
http://eng-tips.com/market.cfm
for site rules
RE: Dry sump >>> vertical shaft