[alberg30] three-blade prop for A-4 equipped A30

[Rap1208 at aol.com]

From: Rap1208 at aol.com

The Blanks
 For what it's worth, Ca Va came with a 12" x 6" 3 blade.  I felt there was a 
lot of drag under sail.  You are always draging at least two blades out in 
the water.  Only one can be hidden behind the deadwood, as if you can easily 
tell.  I Put on a 13" 7" teo blade, and am happy with it.  I get apros 6-6  
1/4 knot at at  14hundred to 1450 rpm. The engine runs cool. I have some 
engine rpm in reserve.   I have no dificulty getting northbound under the 
Blue Water bridge at Sarnia, where the current is about 6 knots.   If you 
install a 2 blade hide it behind the keel, and mark the shaft inside, so you 
can tell.
Russ Pfeiffer

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