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11-29-2009, 05:56 PM
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Join Date: Nov 2009
Location: mancos, CO.
Posts: 14
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CS prop vs. fixed pitch
Know this is an ongoing discussion. I would like to operate at RV4,6,7, out of a 1400 strip grass runway at 6900 feet elevation in SW Colorado. Would you even think about A6A or 7A. What about the engine HP. Will a 180 HP work on density alt. of 10K? Open to advice. John Patton <jwpatton3@gmail.com
Thanks.
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11-29-2009, 08:42 PM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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For this location, CS would be a must IMHO!
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11-29-2009, 09:00 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Just do a search on ANY post by "L.Adamson", you will get an answer.
Sorry Larry, I just had to post that. 
__________________
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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11-29-2009, 09:10 PM
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Join Date: Apr 2005
Location: KSLC
Posts: 4,021
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Quote:
Originally Posted by N941WR
Just do a search on ANY post by "L.Adamson", you will get an answer.
Sorry Larry, I just had to post that. |
No problem............I'm always right about this subject.
And I certainly agree with the first answer presented in this thread. 
L.Adamson --- RV6A, Hartzell C/S |
11-30-2009, 05:18 AM
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Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,840
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Whew!!
Quote:
Originally Posted by jwpatton3
.... Will a 180 HP work on density alt. of 10K? Open to advice. John Patton <jwpatton3@gmail.com
Thanks.
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....this scenario makes me sweat...10,000 DA....1400'....FP? 
I gotta go with Larry on this one.
The best,
__________________
Pierre Smith
RV-10, 510 TT
RV6A (Sojourner) 180 HP, Catto 3 Bl (502Hrs), gone...and already missed
Air Tractor AT 502B PT 6-15 Sold
Air Tractor 402 PT-6-20 Sold
EAA Flight Advisor/CFI/Tech Counselor
Louisville, Ga
It's never skill or craftsmanship that completes airplanes, it's the will to do so,
Patrick Kenny, EAA 275132
Dues gladly paid!
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11-30-2009, 06:44 AM
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Join Date: Oct 2008
Location: Schaumburg, IL
Posts: 2,053
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Yeah C/S and JATO. I think the ink on my performance chart would get pretty blurry from all my sweat trying to make the calculation on that one. Might as well add "and I need to clear a 50' obstacle" That would make it even more fun.
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Tony Phillips
N524AP, RV 9 (tail wheel)
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11-30-2009, 07:42 AM
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Join Date: Feb 2005
Location: Chesterfield, Missouri
Posts: 4,514
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Quote:
Originally Posted by Brantel
For this location, CS would be a must IMHO!
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Amen to that!
A 1400' sod strip can be a challenge at SL with a cross wind, at 6900' it is way outside the envelope. Especially if there are trees around the airport.
A Super Cub with a CS 180 HP set up probably can do the job if this is an absolute must do situation.
__________________
RV-12 Build Helper
RV-7A...Sold #70374
The RV-8...Sold #83261
I'm in, dues paid 2019 This place is worth it!
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11-30-2009, 02:42 PM
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Join Date: Nov 2005
Location: Flagstaff, AZ
Posts: 447
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JATO....
Quote:
Originally Posted by apkp777
Yeah C/S and JATO.
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Thinking JATO here:
http://www.mstewart.net/super8/
Probably get off a 10K DA with a 10 knot Tailwind with 500' to play with  |
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