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RobHickman(at)aol.com
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 Posted: Wed Aug 27, 2008 10:24 am Post subject: Hartzell Composite three blade test against Van's N410RV |
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Ken Krueger, from Van's, and I tested our RV-10 with the three-blade composite prop against Van's RV-10 N410RV with the metal two-blade prop.
We flew both airplanes at 8,000' density altitude, 2500RPM, full throttle, 50F ROP for a total of about 75 miles out and back. Our best estimate is that the three-blade prop is 7 kts slower than the blended airfoil metal prop.
Ideally, we should test the two-blade blended airfoil prop on our RV-10 and use that as the comparison. This would eliminate the variables involved when using two separate planes. Keep in mind that our RV-10 is still unpainted and needs some cleanup on the fairings.
After we both landed, Ken flew our RV-10 and was very impressed with how smooth the prop was. Ken's direct quote was, "it is dramatically smoother than N410RV, and it makes no difference if you run 2300, 2400 or 2500 RPM, it is always extremely smooth".
Even if it turns out to truly be 7 kts slower, there’s no way I would give up the smoothness for a little more speed.
Rob Hickman
N402RH RV-10
It's only a deal if it's where you want to go. Find your travel deal here.
[quote][b]
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jump2(at)sbcglobal.net
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| Posted: Wed Aug 27, 2008 1:34 pm Post subject: Hartzell Composite three blade test against Van's N410RV |
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Maybe van needs to balance the prop?
Pat Thyssen
--- On Wed, 8/27/08, RobHickman(at)aol.com <RobHickman(at)aol.com> wrote:
| Quote: | From: RobHickman(at)aol.com <RobHickman(at)aol.com>
Subject: Hartzell Composite three blade test against Van's N410RV
To: rv10-list(at)matronics.com
Date: Wednesday, August 27, 2008, 1:23 PM
Ken Krueger, from Van's, and I tested our RV-10 with the three-blade composite prop against Van's RV-10 N410RV with the metal two-blade prop.
We flew both airplanes at 8,000' density altitude, 2500RPM, full throttle, 50F ROP for a total of about 75 miles out and back. Our best estimate is that the three-blade prop is 7 kts slower than the blended airfoil metal prop.
Ideally, we should test the two-blade blended airfoil prop on our RV-10 and use that as the comparison. This would eliminate the variables involved when using two separate planes. Keep in mind that our RV-10 is still unpainted and needs some cleanup on the fairings.
After we both landed, Ken flew our RV-10 and was very impressed with how smooth the prop was. Ken's direct quote was, "it is dramatically smoother than N410RV, and it makes no difference if you run 2300, 2400 or 2500 RPM, it is always extremely smooth".
Even if it turns out to truly be 7 kts slower, there¢s no way I would give up the smoothness for a little more speed.
Rob Hickman
N402RH RV-10
It's only a deal if it's where you want to go. Find your travel deal here.
| Quote: |
get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List
=nofollow>http://forums.matronics.com
blank rel=nofollow>http://www.matronics.com/contribution
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[quote][b]
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RobHickman(at)AOL.COM
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| Posted: Wed Aug 27, 2008 2:19 pm Post subject: Hartzell Composite three blade test against Van's N410RV |
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I was told that Van's RV-10 has had the prop balanced.
Everyone that has flown with me in the RV-10 has been amazed with how smooth it is and it has not been balanced, it might even get better.
Rob Hickman
N402RH RV-10
It's only a deal if it's where you want to go. Find your travel deal here.
[quote][b]
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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jcumins(at)jcis.net
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| Posted: Wed Aug 27, 2008 2:20 pm Post subject: Hartzell Composite three blade test against Van's N410RV |
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Who out there in RV-10 land is running the MT 3 blade prop. Can you post your average True airspeed at say 7500 or 8500 and what power setting are you using.
This would be a nice data point to compare also.
John G. Cumins
#40864 Vstab done working on rudder
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Patrick Thyssen
Sent: Wednesday, August 27, 2008 2:34 PM
To: rv10-list(at)matronics.com
Subject: Re: Hartzell Composite three blade test against Van's N410RV
Maybe van needs to balance the prop?
Pat Thyssen
--- On Wed, 8/27/08, RobHickman(at)aol.com <RobHickman(at)aol.com> wrote:
| Quote: |
From: RobHickman(at)aol.com <RobHickman(at)aol.com>
Subject: Hartzell Composite three blade test against Van's N410RV
To: rv10-list(at)matronics.com
Date: Wednesday, August 27, 2008, 1:23 PM
Ken Krueger, from Van's, and I tested our RV-10 with the three-blade composite prop against Van's RV-10 N410RV with the metal two-blade prop.
We flew both airplanes at 8,000' density altitude, 2500RPM, full throttle, 50F ROP for a total of about 75 miles out and back. Our best estimate is that the three-blade prop is 7 kts slower than the blended airfoil metal prop. |
Ideally, we should test the two-blade blended airfoil prop on our RV-10 and use that as the comparison. This would eliminate the variables involved when using two separate planes. Keep in mind that our RV-10 is still unpainted and needs some cleanup on the fairings.
After we both landed, Ken flew our RV-10 and was very impressed with how smooth the prop was. Ken's direct quote was, "it is dramatically smoother than N410RV, and it makes no difference if you run 2300, 2400 or 2500 RPM, it is always extremely smooth".
Even if it turns out to truly be 7 kts slower, there¢s no way I would give up the smoothness for a little more speed.
Rob Hickman
N402RH RV-10
It's only a deal if it's where you want to go. Find your travel deal here.
| Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List=nofollow>http://forums.matronics.comblank rel=nofollow>http://www.matronics.com/contribution |
0123456789 | Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List |
0 | Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List |
1 | Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List |
2 | Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List |
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4 | Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List |
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[quote][b]
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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pascal(at)rv10builder.net
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| Posted: Wed Aug 27, 2008 6:10 pm Post subject: Hartzell Composite three blade test against Van's N410RV |
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A few years ago there was the Vic Vans and Randy vans comparo..around the same altitude.
I attached the sheet
Pascal
From: John Cumins (jcumins(at)jcis.net)
Sent: Wednesday, August 27, 2008 3:17 PM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: RE: Hartzell Composite three blade test against Van's N410RV
Who out there in RV-10 land is running the MT 3 blade prop. Can you post your average True airspeed at say 7500 or 8500 and what power setting are you using.
This would be a nice data point to compare also.
John G. Cumins
#40864 Vstab done working on rudder
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Patrick Thyssen
Sent: Wednesday, August 27, 2008 2:34 PM
To: rv10-list(at)matronics.com
Subject: Re: Hartzell Composite three blade test against Van's N410RV
Maybe van needs to balance the prop?
Pat Thyssen
--- On Wed, 8/27/08, RobHickman(at)aol.com <RobHickman(at)aol.com> wrote:
| Quote: |
From: RobHickman(at)aol.com <RobHickman(at)aol.com>
Subject: RV10-List: Hartzell Composite three blade test against Van's N410RV
To: rv10-list(at)matronics.com
Date: Wednesday, August 27, 2008, 1:23 PM
Ken Krueger, from Van's, and I tested our RV-10 with the three-blade composite prop against Van's RV-10 N410RV with the metal two-blade prop.
We flew both airplanes at 8,000' density altitude, 2500RPM, full throttle, 50F ROP for a total of about 75 miles out and back. Our best estimate is that the three-blade prop is 7 kts slower than the blended airfoil metal prop. |
Ideally, we should test the two-blade blended airfoil prop on our RV-10 and use that as the comparison. This would eliminate the variables involved when using two separate planes. Keep in mind that our RV-10 is still unpainted and needs some cleanup on the fairings.
After we both landed, Ken flew our RV-10 and was very impressed with how smooth the prop was. Ken's direct quote was, "it is dramatically smoother than N410RV, and it makes no difference if you run 2300, 2400 or 2500 RPM, it is always extremely smooth".
Even if it turns out to truly be 7 kts slower, there¢s no way I would give up the smoothness for a little more speed.
Rob Hickman
N402RH RV-10
It's only a deal if it's where you want to go. Find your travel deal here.
| Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List=nofollow>http://forums.matronics.comblank rel=nofollow>http://www.matronics.com/contribution |
0123456789 | Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List |
0 | Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List |
1 | Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List |
2 | Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List |
3 | Quote: | | get=_blank rel=nofollow>http://www.matronics.com/Navigator?RV10-List |
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| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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wayne.e(at)grandecom.net
Guest
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| Posted: Thu Aug 28, 2008 4:03 am Post subject: Hartzell Composite three blade test against Van's N410RV |
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I recently flew up through Alaska with another RV10 friend of mine, Ron Grover, and he has the 2 blade blended foil prop and I have a 3 blade Aero Composite prop. We didn't do any direct speed comparisons during this long trip but it appeared obvious to me that he had a little more speed than I did in cruise. His plane is a little lighter than mine I think to begin with and on this trip we I was loaded heaver than him.
Based on this trip and a couple other flights Ron and I have done together I would make a SWAG (scientific wild ass guess) that my plane with the three bladed Aero Composite is around 5 knots slower in cruise than Ron's. I like the smoothness and the looks of the 3 blade so I guess my answer his "what the hey" :>}
Not very scientific but my best observation.
Wayne Edgerton N602WT
Time: 11:24:21 AM PST US
From: RobHickman(at)aol.com (RobHickman(at)aol.com)
Subject: Hartzell Composite three blade test against Van's N410RV
Ken Krueger, from Van's, and I tested our RV-10 with the three-blade
composite prop against Van's RV-10 N410RV with the metal two-blade prop.
We flew both airplanes at 8,000' density altitude, 2500RPM, full throttle,
50F ROP for a total of about 75 miles out and back. Our best estimate is
that the three-blade prop is 7 kts slower than the blended airfoil metal prop.
Ideally, we should test the two-blade blended airfoil prop on our RV-10 and
use that as the comparison. This would eliminate the variables involved when
using two separate planes. Keep in mind that our RV-10 is still unpainted and
needs some cleanup on the fairings.
After we both landed, Ken flew our RV-10 and was very impressed with how
smooth the prop was. Ken's direct quote was, "it is dramatically smoother t
han
N410RV, and it makes no difference if you run 2300, 2400 or 2500 RPM, it i
s
always extremely smooth".
Even if it turns out to truly be 7 kts slower, there=99s no way I wou
ld give
up the smoothness for a little more speed.
Rob Hickman
N402RH RV-10
[quote][b]
| | - The Matronics RV10-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RV10-List |
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