Hp .61 vs HB .61

HP engines (Hirtenberger, AG Austria) tech support. Owned by RJL Industries since 1990

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Hp .61 vs HB .61

Postby xeon19 » Sun Dec 14, 2008 8:22 pm

I have an old hp .61, I beileve it is a silver star it has a black head and I have an old HB .61 pdp which is frozen, any opinions on which engine is better or more reliable. I plan on using one on a heliboy project. Also will a new throttle arm fit the old hp .61

Thanks
xeon19
 
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Postby MECOA » Fri Dec 19, 2008 8:29 pm

Both are great engine. The HP is a higher RPM engine and the HB has more torque to turn a bigger prop slower. Your choice from here.

If you need the old plastic throttle you need to call 800-359-6972 as I only have a few.
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Postby xeon19 » Sun Dec 21, 2008 12:43 pm

Thanks for the info. I will order one.
xeon19
 
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