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dwight purdy
Joined: 10 Feb 2006
Posts: 85
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 Posted: Sat Mar 26, 2011 3:01 pm Post subject: Prop for model II |
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Need some quick advice on prop selection. I have been flying a clipped wing model II for several years but probably never with the best prop. When first bought it had a gsc 68 in. tapered tip three blade. Worked great with the 532. I went to 503 after the 532 bit it. The 503 came with a 60 in ivo three blade. I ran it as a two blade with about the max. pitch for many years. For the last year I changed to a 3 to 1 c-box and went back to the gsc blades and a new two blade hub. This was good but I ruined the two blades yesterday and doubt if I can buy one blade exactly like the one left as it is so old and have never seen one as tapered. My dilemma is how to get the 3 to 1 ratio to perform as the 2.58 with out bussing the motor. The 503 detuned exhaust is not much power for more than two blades unless you want a slow cruise.
Is any one running a similar set up? Any suggestions?
Dwight Purdy
Model II
[quote][b]
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dwight
model II |
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thesupe(at)hotmail.com
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| Posted: Sat Mar 26, 2011 8:02 pm Post subject: Prop for model II |
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I was just on Barnstormers and saw a two blade Powerfin 70" LH for $400. If 70" is to much prop, you could cut it down. Take care, Jim Chuk
From: dpurdy(at)comteck.com
To: kitfox-list(at)matronics.com
Subject: Kitfox-List: Prop for model II
Date: Sat, 26 Mar 2011 18:57:42 -0400
Need some quick advice on prop selection. I have been flying a clipped wing model II for several years but probably never with the best prop. When first bought it had a gsc 68 in. tapered tip three blade. Worked great with the 532. I went to 503 after the 532 bit it. The 503 came with a 60 in ivo three blade. I ran it as a two blade with about the max. pitch for many years. For the last year I changed to a 3 to 1 c-box and went back to the gsc blades and a new two blade hub. This was good but I ruined the two blades yesterday and doubt if I can buy one blade exactly like the one left as it is so old and have never seen one as tapered. My dilemma is how to get the 3 to 1 ratio to perform as the 2.58 with out bussing the motor. The 503 detuned exhaust is not much power for more than two blades unless you want a slow cruise.
Is any one running a similar set up? Any suggestions?
Dwight Purdy
Model II
[quote]
target=_blank>http://www.matronics.com/Navigator?Kitfox-List
ttp://forums.matronics.com
=_blank>http://www.matronics.com/contribution
[b]
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brubakermal(at)yahoo.com
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| Posted: Mon Mar 28, 2011 7:12 am Post subject: Prop for model II |
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i also fly a mod 2 but w/ standard wing you should give gsc a call they are very easy to talk to mal
Malcolm Brubaker
Michigan Sport
Pilot Repair
LSRM-A, PPC, WS
(989)513-3022
From: Dwight Purdy <dpurdy(at)comteck.com>
To: kitfox <kitfox-list(at)matronics.com>
Sent: Sat, March 26, 2011 6:57:42 PM
Subject: Prop for model II
Need some quick advice on prop selection. I have been flying a clipped wing model II for several years but probably never with the best prop. When first bought it had a gsc 68 in. tapered tip three blade. Worked great with the 532. I went to 503 after the 532 bit it. The 503 came with a 60 in ivo three blade. I ran it as a two blade with about the max. pitch for many years. For the last year I changed to a 3 to 1 c-box and went back to the gsc blades and a new two blade hub. This was good but I ruined the two blades yesterday and doubt if I can buy one blade exactly like the one left as it is so old and have never seen one as tapered. My dilemma is how to get the 3 to 1 ratio to perform as the 2.58 with out bussing the motor. The 503 detuned exhaust is not much power for more than two blades unless you want a slow cruise.
Is any one running a similar set up? Any suggestions?
Dwight Purdy
Model II
[quote][b]
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Tom Jones
Joined: 12 Mar 2006
Posts: 752
Location: Ellensburg, WA
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| Posted: Mon Mar 28, 2011 9:55 am Post subject: Re: Prop for model II |
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Dwight, I have had good performance with a 72" warp 2 blade on my Classic 4, 503, 3:1 gear box. It cruises 85 MPH at 5800, climbs 800 ft/min solo and 400 with a me and a fat boy on board.
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Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA |
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