I posted info in the Hive plans and equipment section.http://beemaster.com/beebbs/viewtopic.php?t=3307
Losses are not bad at all. I squish more bumping them with the hose than gets injured.
If the hose has a tight turn in it I think that does damage, so I try to avoid doing that.
All I know about the motor is it came out of a canister type floor vac.