hp 61

HB , Helmet Burnhard, engines, Made in Germany. Owned by RJL Industries since 1989.

Moderator: SteveM

hp 61

Postby Doug1939 » Fri Mar 09, 2007 11:20 pm

I am building a p-51 and needing to buy an aluminum spinner. They all have a prop hub inside that screws onto the prop shaft, but I need to know what is the diameter and thread size of the prop shaft on the hp 61
Posts: 2
Joined: Fri Mar 09, 2007 10:59 pm
Location: Kountze, Texas

Postby MECOA » Fri Mar 16, 2007 7:18 pm

standard 1/4x28 thread
Site Admin
Posts: 1095
Joined: Mon Jun 30, 2003 9:48 pm

Return to HB (German) engines Tech Questions

Who is online

Users browsing this forum: No registered users and 1 guest