Splash/Dipper engine lubrication

"RacinBob" (racinbob) 10/19/2020 at 13:04 • Filed to: None

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( I am reposting this to oppo because none of the responses are showing up)

Something that I had not thought about is that most small engines do not have oil pumps. Instead they have dippers that fling the oil around the crankcase and externally wet the bearings to keep them lubricated.

The same was true for early automotive engine. The model T didn’t have oil pumps. Same is true I am told for mid 30's chevy motors. They must have had huge bearings. Here’s an explanation on dipper lubrication.

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RacinBob > RacinBob 10/19/2020 at 13:09

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Here’s three good comments that got lost in the ether...

Michael replied to your post Splash/Dipper engine lubrication

Kohler engines use ball bearings for the crank. Still normal bearings for the rod, though. I saw one and I was like wtf is this, but it makes sense if there’s only one on each end of a single cylinder

10/19/20 10:50am Pending approval

SBA's The Tesla Network Magnate... Real Soon Now replied to your post Splash/Dipper engine lubrication

There’s a hilarious anecdote about Henry Ford fighting his engineers on each and every design decision related to the Flathead-V8 project... given that Ford believed that approaches that worked on the anemic Model T motor (like passive cooling and non-pressure oil flow for lubrication) would still work on the Flathead.

10/19/20 10:48am Pending approval

Tripper replied to your post Splash/Dipper engine lubrication

Hmm, is this also why you want to be careful about which way you tip your mower when servicing?

10/19/20 10:41am Pending approval

oldmxer > RacinBob 10/20/2020 at 18:30

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the shocking revelation I felt when I realized that a lot of American family cars still had splash lubrication in the 50's. at a time when highway traveling was becoming a thing. another reason the GM V8 wiped out the smaller makes before 1960