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  #41  
Old 08-28-2017, 06:39 AM
Nova RV Nova RV is offline
 
Join Date: Aug 2015
Location: Leesburg, VA
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Bob I am a day and 2 invoice numbers ahead of you and I have not heard anything about shipping from them yet. I'm in no hurry though either.
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Leesburg, VA
RV-14A kit # 140243
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  #42  
Old 08-28-2017, 09:01 AM
Bob Martin's Avatar
Bob Martin Bob Martin is offline
 
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Location: Richmond, Virginia
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Default info

Quote:
Originally Posted by Nova RV View Post
Bob I am a day and 2 invoice numbers ahead of you and I have not heard anything about shipping from them yet. I'm in no hurry though either.
Thanks Chris......good info.
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Bob Martin
RV-6, 0-360 Hartzell C/S, Tip up, 1150+TT
James extended cowl/plenum, induction, -8VS and Rudder. TSFlightline hoses. Oregon Aero leather seats.
D100-KMD150-660-TT ADI2- AS air/oil seperator. Vetterman exhaust with turndown tips.
Louisa, Virginia KLKU N94TB
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  #43  
Old 08-28-2017, 05:18 PM
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db1yg db1yg is offline
 
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Default New WW Prop

I thought the new WW was for 195hp or above aircraft--is that incorrect?
Got that from WW over the phone.

db
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RV9a/ECiIO360/James Cowl/Catto Prop
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  #44  
Old 08-28-2017, 07:01 PM
upperdeck upperdeck is offline
 
Join Date: Dec 2009
Location: Menomonee Falls, WI
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Quote:
Originally Posted by db1yg View Post
I thought the new WW was for 195hp or above aircraft--is that incorrect?
Got that from WW over the phone.

db
I was told the same thing, my engine is 210 hp on Titans dyno.

I'll post up any new info on delivery. For what it's worth, I placed my order at OshKosh in 2016 but deliberately delayed delivery.
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  #45  
Old 08-28-2017, 09:16 PM
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Av8rRob Av8rRob is offline
 
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Do you guys have any details or photos of this new prop? I can't find anything about it on their website.
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  #46  
Old 08-28-2017, 10:15 PM
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Bob Martin Bob Martin is offline
 
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Location: Richmond, Virginia
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Default 195?

From their PDF manual on the HRT74.
2.1 Description
Performance & Quality. This 74HRT Series propeller has
been designed to maximize the performance of your
airplane. This propeller delivers exceptional performance for
the modern day sport aircraft. The exceptional performance
is derived from advanced engineering developments,
including the use of our latest airfoils.
- The 74HRT Series is a two-blade hydraulic constant
speed propeller system designed for aircraft using the
Lycoming O/IO-320, -360, -375 & -390 engines (150 -
220 hp).

EDIT: UPdated info from Bill Koleno at WW......above info is / was a typo....and is being corrected now.
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Bob Martin
RV-6, 0-360 Hartzell C/S, Tip up, 1150+TT
James extended cowl/plenum, induction, -8VS and Rudder. TSFlightline hoses. Oregon Aero leather seats.
D100-KMD150-660-TT ADI2- AS air/oil seperator. Vetterman exhaust with turndown tips.
Louisa, Virginia KLKU N94TB

Last edited by Bob Martin : 08-31-2017 at 02:58 PM. Reason: new updated info
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  #47  
Old 08-29-2017, 09:53 AM
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db1yg db1yg is offline
 
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Posts: 574
Default HRT74 Prop

Thanks for that Bob. The text is very informative and unambiguous. Wonder why they told at least two of us otherwise?? Think I will give them a call.

Cheers,
db
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RV9a/ECiIO360/James Cowl/Catto Prop
Flying since 3/06 and still smiling!!!
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  #48  
Old 08-29-2017, 10:44 AM
Bob Martin's Avatar
Bob Martin Bob Martin is offline
 
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Quote:
Originally Posted by db1yg View Post
Thanks for that Bob. The text is very informative and unambiguous. Wonder why they told at least two of us otherwise?? Think I will give them a call.

Cheers,
db
We had to read between the lines on this very issue before purchasing. We were at SNF talking to Chaz and touching the blade displays.

See Post 17 of this thread from WW...cutting section from post:
The new HRT propeller has shown performance increases across the entire flight spectrum compared to the already great performing 200RV propeller. The most significant improvements have been in take-off acceleration and initial rate-of-climb, there is also a modest top-speed increase.

Thinking the NEW HRT74 is replacing the previous bigger bladed prop that was clearly marked for higher HP. Yet the above comments from WW say the 74HRT outperforms the 200WW. And their documentation in the manual says it can be used down to 150HP. So we are thinking the 2017 design is just that, NEW.......and we are taking a chance.

FYI...when I say we, I am speaking of my hangar mate and I. Each with RV-6's and 0-360 A1A's...but his 0-360 has 9.1 pistions and Lycon flowed cylinders and clearly has more more than my stock 180. (but not dyno'd). I plan to install on both planes to compare performance. Hopefully the new blade design will or is cutting edge and be a winner.....Time will tell.
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Bob Martin
RV-6, 0-360 Hartzell C/S, Tip up, 1150+TT
James extended cowl/plenum, induction, -8VS and Rudder. TSFlightline hoses. Oregon Aero leather seats.
D100-KMD150-660-TT ADI2- AS air/oil seperator. Vetterman exhaust with turndown tips.
Louisa, Virginia KLKU N94TB
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  #49  
Old 08-29-2017, 10:54 AM
db1yg's Avatar
db1yg db1yg is offline
 
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Posts: 574
Default HRT

Thanks Bob,

Looking forward to the test results!

Cheers,

db
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Dave B.
RV9a/ECiIO360/James Cowl/Catto Prop
Flying since 3/06 and still smiling!!!
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  #50  
Old 08-30-2017, 10:32 AM
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db1yg db1yg is offline
 
Join Date: Mar 2006
Posts: 574
Default HRT Prop

Hey Guys,

Late yesterday I talked with Bill K. of Whirlwind. He is involved with the testing of their propellers including the HRT74. Bill tells me that the new HRT74 prop is designed for 205 hp or above. He suggested that if you have an HRT74 ordered and do not meet this minimum hp you should give Whirlwind a call.

Thought you folks needed to find this out now.

Cheers,

db
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Dave B.
RV9a/ECiIO360/James Cowl/Catto Prop
Flying since 3/06 and still smiling!!!

Last edited by db1yg : 08-31-2017 at 09:45 PM. Reason: spelling
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