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Old 06-24-2020, 03:21 PM
Whirl Wind Propellers Whirl Wind Propellers is offline
Join Date: Jun 2020
Location: San Diego, CA
Posts: 17
Default Free propeller!!

WhirlWind Propellers is looking for a RV-10 owner in SoCal area to evaluate our new 300-77 series Constant Speed propeller designed specifically for the RV-10. Two other production models have flown the past yr. Flight evaluation has proven smoother operation, increased take off acceleration, better climb, with no loss in cruise speeds. Propeller construction is Aluminum hub, carbon composite blades, Nickel leading edge for abrasion protection. Significant weight savings with an all up weight including spinner of 40 lbs. Gloss carbon finish with tips and polished Ni Leading edge is standard.

Looking for someone who flies at least 100 hrs. /yr.

300series-76 diameter
Wt 40lbs
Pressure to increase pressure to increase pitch/ standard governor will work.
Contact us at 619-562-3725 or

Last edited by Whirl Wind Propellers : 06-24-2020 at 04:19 PM.
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Old 06-24-2020, 03:23 PM
ethand ethand is offline
Join Date: Mar 2013
Location: San Diego
Posts: 196

I will call you this afternoon

My -10 is hangered across runway 35 from you.

RV-10 N77319
2192 Days of Building
Completed May 2019
Phase 1 completed Nov 2019
95 hours and counting.....
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Old 06-25-2020, 12:14 AM
ReidVaitor ReidVaitor is offline
Join Date: Jun 2006
Location: SoCal
Posts: 179
Default I?m willing

I?m in Fullerton, be happy to test prop, just flew to North Carolina and back and that is one of many trips I take cross country every year.
If you need another option beside Ethan, let me know, be willing to help however I can. Done numerous testing for other vendors in the past with the -10
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Old 06-25-2020, 09:02 AM
iwannarv iwannarv is offline
Join Date: Aug 2005
Location: Olathe, KS
Posts: 431

Good looking prop. Anxious to see how it stacks up next to the HRT.
Brad Brensing
RV-10 Emp/Tailcone - Complete, QB Wings - Complete, Fuse - Building, Finish Kit - May '21
Never judge a man by his trim tabs.
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Old 06-25-2020, 09:55 AM
Lenny Iszak's Avatar
Lenny Iszak Lenny Iszak is offline
Join Date: Sep 2008
Location: Palm City, FL
Posts: 344
Default flight test

Far from SoCal but I have an RV-10 instrumented with an accurate data logging system (air data boom + OnSpeed), and can run some drag polars for you, comparing with the stock Hartzell BA prop. Sent you an email.

Lenny Iszak
Palm City, FL
2014 RV-10, N311LZ - 650 hrs
OnSpeed development team
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