[hpv-boats] hpb boat

Ian Cassell iancassell at optusnet.com.au
Thu Jan 6 23:20:10 PST 2011


Rick
       Have been playing around a bit with shafts and
have got a straight 16mm aluminium shaft held in
place with a skeg. The angle is 16 deg which is way
off optimum but makes setting up easier. The flex 
shafts always hit a dead spot at high revs and limits
the top speed. I can lower the gearbox another 100mm
by cutting out part of the hull for my feet and this improves
the angle to 11deg. Don't know if the effort of doing this
will greatly improve the performance, a bit of work and
more weight.
        Will be at the lake tomorrow.

Ian












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