View Full Version : some informations please!
08-15-2009, 01:17 AM
could you please help me?
I would like to know Sparrowhawk propeller diameter and manufacturer.
which are propeller revs?
thank for your help
08-15-2009, 06:05 AM
Paolo, I am going from memory but I think the prop of a SH II is a 68", three bladed, Warp drive. The RPM's is limited by tip speed. When you go over 2700 RPM the tip speed gets near Mach 1 and loud. I don't remember the Re drive ratio but I ran the 2.5 Lr Subaru max power at 5500 RPM.
08-15-2009, 08:28 AM
Check out their web site...try out the TIP SPEED CALCULATOR online.
This should help with info. you need.
08-15-2009, 10:14 AM
72" and I am using Ivo Prop mag manual pitch set.
08-15-2009, 10:50 AM
thanks everybody for the usefull informations
bytheway what are the performances are you able to reach with warp drive and ivoprop (I mean cruise and max speed)
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