Chain case design?

/ Chain case design? #1  

ArlyA

Super Star Member
Joined
Mar 18, 2016
Messages
13,851
Location
Houghton MI (the Lake Superior snow belt) USA
Tractor
Outlander1000 6x6, Ego lawn mower and shopping for tractor
Following this thread

https://www.tractorbynet.com/forums/build-yourself/410025-help-v-belt-sizing.html

I'm assembling plans for a snow tiller which needs drive case at its end, as seen in the below photo. This is a very simple design, with a bit of heavy gear oil at its bottom to lube the single chain, least if it would stay in the case! The 1, 1/4 input shaft with run at about 3000rpm and there are no seals on the shafts, just what's on the bearings to start with. Of course this would have a drain and a full indicator plug, for the oil at the case bottom and another its it top to add it.. Just a little at the bottom would be used. What do you think?? The input shaft with have 35hp on it so what chain size should be sufficient?

I'm not a ME and I don't play one on YouTube.... :eek:
 

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