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Old 05-05-2022, 10:00 AM
DHoover DHoover is online now
Join Date: Aug 2018
Location: San Antonio, TX
Posts: 15
Default Prop Swap: Catto to Hartzell - What test data do you want?

As the title says I'm swapping from a 3B Catto to a Hartzell in my RV-7. Thanks @Walt!

I'm waiting on my prop gov and cables to show up for the swap so I've got a little time yet and wondered if there's any specific test data folks would be interested in for this particular permutation of propellers?

Here's what I've considered so far:
- Measured change to CG (I'm too tail heavy currently)
- Takeoff performance
- Cruise performance by fuel flow, % Power, MP and RPM (I'd like to be able to judge blade efficiency knowing the Catto is really good)
- Measured Sound Level (my wife is an audiologist and I promised her it'd be quieter in cruise - hope I'm right)

I'll take any advice on testing these but what else would help folks choose props?
Darin "Dyson" Hoover
San Antonio, TX
N24726 RV-7 Flying
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