Hmmm, it would be hard to suck all the oil out because the road draft tube
does not go into the oil sump. I sullose that if it were made with no upward
travel before turning 180 degrees to go downward, then it would be easier for
oil to spill out on a hard right hand turn.
I was not clear, I recommended a longer UPWARD travel before the hairpin
turn. That should make it less likely to have oil spill out., but a normal
road draft tube would be quite adequate too!
-Tony
From: Geo Hahn
Sent: Thursday, May 23, 2013 8:28 PM
To: spamiam@comcast.net
Cc: Triumphs
Subject: Re: [TR] Triumphs Digest, Vol 6, Issue 176
On Thu, May 23, 2013 at 10:21 AM, <spamiam@comcast.net> wrote:
To protect the environment you might use a catch tank but
another solution is to use a longer vertical length on the road draft tube
so
that less oil remains suspended in the air as it exits the road draft tube.
Adding the road draft sounds good but I would be wary of changing its design
by making it, in effect, longer.
I recall hearing a tale of a junior engineer modifying the road draft tube on
one of the factory cars (I think he was trying to clear some sort of
undershield that had been installed). At speed the longer tube neatly sucked
the oil out of the crankcase.
The engine, presumably, was toast. The engineer, presumably, found a job
selling shoes at Harrods.
Geo
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