some informations please!

[Sapientino]

could you please help me?
I would like to know Sparrowhawk propeller diameter and manufacturer.
which are propeller revs?
thank for your help
Paolo

[vickijohnk]

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.

John K.

[Minnesota_Mike]

Check out their web site...try out the TIP SPEED CALCULATOR online.
This should help with info. you need.

http://www.warpdriveprops.com/

M-M

[Mark Sanders]

72" and I am using Ivo Prop mag manual pitch set.

[Sapientino]

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)