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Hartzell HC-C2YK-1BF for an RV7A

Janekom

Well Known Member
Patron
Can someone help with advice please.
I have an RV7A with a Superior IO-360 vertical induction and Slick Lazar ignition and standard metal Sensenich FP prop.

Will the HC-C2YK-1BF with 7666A-2 blades be good for it and will it fit?

Will there be any restrictions?

What will the performance be like compared to the props now offered by Vans?

I have download d the whole Hartzell document here https://hartzellprop.com/wp-content/uploads/159-0000-R66-WA.pdf but do not quite understand the restrictions. I also noticed that it is only shown for an RV6?
Thank you.
 
Last edited:
There are a lot of 4/6/7/8/9s that have used this prop, so will fit.
You have found the right publication to determine what RPM/MP operating restrictions would apply, you might contact Hartzell to inquire what effect the Lazar ignition might have on the op restrictions.
The 7666 blade was the popular choice till they came out with the blended airfoil designs, which are rumored to be a bit quieter, smoother, and a bit faster.
 
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