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Search: Posts Made By: Whirl Wind Propellers
Forum: Propellers 03-04-2021, 10:59 AM
Replies: 24
Views: 3,353
Feel free to call in or email us pictures to get...

Feel free to call in or email us pictures to get some clarification on what you currently have. The new spinners are only for the new 330 hub. If you placed your order after Jan 1, 2021 you probably...
Forum: Propellers 03-04-2021, 10:55 AM
Replies: 24
Views: 3,353
Yes, it can be confusing: a counterweighted...

Yes, it can be confusing: a counterweighted propeller has centrifugal weights to prevent overspeed during inverted aerobatics (lapse in oil pressure)

A counterweighted crankshaft reduces torque...
Forum: Propellers 03-03-2021, 01:41 PM
Replies: 24
Views: 3,353
330-2B 72H-72" weighs 40 lb standard ($12,400)...

330-2B 72H-72" weighs 40 lb standard ($12,400) and 44 lb counterweighted ($13,000)
330-3B 72H-73" weighs 53 lb standard ($14,355) and 60 lb counterweighted ($15,255)

website updates in progress....
Forum: Propellers 03-03-2021, 11:04 AM
Replies: 24
Views: 3,353
The 330-3B 73" propeller is well suited for that...

The 330-3B 73" propeller is well suited for that application on engines with or without counterweighted crankshafts. The 330-2B 72" propeller is also a good option offering slightly faster top speed...
Forum: Propellers 03-03-2021, 10:48 AM
Replies: 24
Views: 3,353
No, sorry, the photos attached were from the old...

No, sorry, the photos attached were from the old style spinners. The new spinners come in a 13" or 14" diameter. Both sizes will completely enclose the ferrule of the 330-2B.
The 330-3B will...
Forum: Propellers 03-02-2021, 03:33 PM
Replies: 24
Views: 3,353
What is the Whirl Wind 330 series?

Scott, I'm glad you like the propeller so much. To clear up what the 330 series is I'll quickly explain what we had been producing for many years and how we arrived at the 300 series.
1995 is when we...
Forum: Propellers 01-12-2021, 03:35 PM
Replies: 34
Views: 4,560
Whirl Wind has 2 constant speed aerobatic...

Whirl Wind has 2 constant speed aerobatic propeller options for RV's--The HRT74 is not currently available:

2 Blade HRT 72" for up to 220 hp counter-weighted engines. This weighs about 45 lb with...
Forum: Propellers 12-23-2020, 02:34 PM
Replies: 40
Views: 5,095
https://whirlwindaviation.com/props/HRTseries-3_Bl...

https://whirlwindaviation.com/props/HRTseries-3_Blade.asp
TheWhirl Wind Aviation 3 blade HRT 73" propeller is suitable for the non-counterweighted O-370/375.
This hub platform is very robust, wt=55...
Forum: Propellers 12-08-2020, 05:51 PM
Replies: 21
Views: 3,834
Thank you for bringing this up. Angle valve 360s...

Thank you for bringing this up. Angle valve 360s need counter wted crank shafts, straight valve 360s do not. We will make note to update this on our website:

Engines for 300 Series...
Forum: Propellers 12-07-2020, 09:16 AM
Replies: 21
Views: 3,834
390 is counterweighted

390 is counterweighted
Forum: Propellers 12-04-2020, 11:11 AM
Replies: 21
Views: 3,834
Dan, yes there are a few limitations for the 300...

Dan, yes there are a few limitations for the 300 series: Angle valve 360 and angle valve 540 engines are NOT suitable for this hub system. Max RPM for this propeller series is 2700 rpm and the...
Forum: Propellers 12-02-2020, 12:28 PM
Replies: 21
Views: 3,834
The RPM limit is the same (2700 rpm). The...

The RPM limit is the same (2700 rpm). The harmonics are based on the forcing function of the engine and the natural frequency of the blades. So the harmonic frequencies won't change from a 2 blade to...
Forum: Propellers 12-01-2020, 11:39 AM
Replies: 21
Views: 3,834
This is actually Hunter (engineering at Whirl...

This is actually Hunter (engineering at Whirl Wind Propellers).

We have a telemetry system that wirelessly transmits the strain data. So we use finite element analysis (FEA) to identify the expected...
Forum: Propellers 12-01-2020, 09:54 AM
Replies: 4
Views: 604
300-77 is the same price as the 300-72. Price is...

300-77 is the same price as the 300-72. Price is $12,500 and both the price and the listed weight include the spinner and all mounting hardware.
Forum: Propellers 11-30-2020, 11:00 AM
Replies: 21
Views: 3,834
The HRT375 is about 55 lb compared to the 42 lb...

The HRT375 is about 55 lb compared to the 42 lb for the 300 series 77. Thats because the HRT propellers use an old McCauley based hub system and the 300 series is an all new Hub platform design. It...
Forum: Propellers 11-25-2020, 04:32 PM
Replies: 21
Views: 3,834
Video of 300 Series Constant Speed Propeller

https://www.youtube.com/watch?v=BI9Ts4pGyag

Check out the 300 series constant speed propeller: the lightest propeller in its class! Get better takeoff performance, higher rate of climb, smoother...
Forum: RV Photo/Video URLs 11-25-2020, 04:26 PM
Replies: 0
Views: 714
Whirl Wind 300 Series Constant Speed Prop on RV4 and RV10

https://www.youtube.com/watch?v=BI9Ts4pGyag

Had some fun making this video of our 300 series 72" propeller on a Van's RV-4 with Lycoming O-360 Straight Valve engine. Also included some ground...
Forum: Propellers 08-21-2020, 05:41 PM
Replies: 28
Views: 8,130
300 series teardown inspection (TDI) time is 500...

300 series teardown inspection (TDI) time is 500 hrs, but that will increase over the next year. TDI can be done in SoCal, Ohio, or other propeller shops around the country. Here in Southern...
Forum: Propellers 07-24-2020, 05:22 PM
Replies: 15
Views: 4,241
Whirl Wind Engineering

Just noticed this post and wanted to assure everyone that we absolutely do perform all the necessary testing and analysis on our propellers and to my knowledge, every major propeller manufacturer has...
Forum: Propellers 07-21-2020, 05:00 PM
Replies: 8
Views: 2,292
Overspeed is more likely if the propeller is...

Overspeed is more likely if the propeller is pitched for STOL. Our instructions recommend setting the pitch so that your static RPM is 2200-2300 (gives powerful takeoff and good cruise performance)....
Forum: Propellers 06-24-2020, 03:19 PM
Replies: 1
Views: 1,155
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...
Forum: RV-10 06-24-2020, 02:21 PM
Replies: 4
Views: 1,268
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...
Showing results 1 to 22 of 22

 
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