Anybody selling a 20B pusher mount?  My velocity airframe is complete(!)
and i am gearing up for engine and instrument install.  Al Gietzen
modified a Franklin mount, but my welding skills are...subpar, to say
the least.

Also, I have decided to go turbo, not supercharger.  What turbo did Tom
Parkes use on his ES and what is the latest version of the
turbocalculator spreadsheet program?

jeremy solomon


Tom Parkes can answer the turbo question.

Here is Dave Leonards turbo calculator but I am not sure it gives
you enough info to insure the turbine will live under aircraft conditions.
At least half a dozen car turbos have been destroyed so far.
You are much more likely to get the turbo to live if you use an
aircraft turbo. It's a long story but car turbo charger can be modified
to slow the turbine so they will live. Easier to find an aircraft turbo
and use it.

Paul Lamar

Paul:

Tom's turbo is a reconditioned Garrett TE-06 with an AR of 1.58.  It seems
to have plenty of reserve capacity for my 20B with a max boost set at 5 psi.
I don't think I've ever pushed it to its limit.

Tom


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