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mccarthy(at)jefnet.com
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 Posted: Wed Oct 24, 2007 12:15 pm Post subject: 601HD new prop time |
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I thought I would throw this out to the list to see what comes back. I have just over 100 hours on my 601 HD and I would like to upgrade my 66" GSC 3 blade on my 80 HP Rotax 912ULS, It has never tracked correctly since new and can not easily be readjusted (pitch wise) after the initial setting. My cruise is about 90MPH at 75%. My goal is to bring the cruise speed up. I have talked to Warp and Powerfin and only seem to be more confused. I'm sure others have done this, Thanks in advance.......
Tom McCarthy
N514TM 601 HD
N414TM Kolb Firestar
[quote][b]
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larry(at)macsmachine.com
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| Posted: Wed Oct 24, 2007 1:13 pm Post subject: 601HD new prop time |
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Hi Tom,
I’d recommend you look closely at the Warp Drive ground adjustable
3-blade prop.
For your horsepower, they’ll probably recommend a 68 or 70-inch prop. If
in doubt, go to the larger. Adjusting this prop is excellent and
precise. I like the bubble protractor that WD provides for adjustment.
It’s accurate and easy to get dead on. Very happy with my 70-inch WD on
my HDS and cruise is very good at 17-degrees.
You should consider the largest spinner available for that prop as well
to reduce drag.
I used a UHS fiberglass spinner from Ontario. Nice installation process too.
Good luck,
Larry McFarland 601HDS at www.macsmachine.com
T McCarthy wrote:
| Quote: | I thought I would throw this out to the list to see what comes back. I
have just over 100 hours on my 601 HD and I would like to upgrade my
66" GSC 3 blade on my 80 HP Rotax 912ULS, It has never tracked
correctly since new and can not easily be readjusted (pitch wise)
after the initial setting. My cruise is about 90MPH at 75%. My goal is
to bring the cruise speed up. I have talked to Warp and Powerfin and
only seem to be more confused. I'm sure others have done this, Thanks
in advance.......
Tom McCarthy
N514TM 601 HD
N414TM Kolb Firestar
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professor71(at)HOTMAIL.CO
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| Posted: Wed Oct 24, 2007 1:56 pm Post subject: 601HD new prop time |
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Hi Tom
I have a 601HD with about 270hrs on a 912ul. I have a 70" warp drive tapered tip prop and see 100mph cruise (gps) at 5150-5200rpm. I like the warp prop but an IVO prop is much easier to adjust and you could eventually change it to an inflight adjustable and have the best of both worlds, great climb and better cruise.
John
| Quote: | From: mccarthy(at)jefnet.com
To: Zenith-List(at)matronics.com
Subject: Zenith-List: 601HD new prop time
Date: Wed, 24 Oct 2007 15:16:41 -0500
I thought I would throw this out to the list to see what comes back. I have just over 100 hours on my 601 HD and I would like to upgrade my 66" GSC 3 blade on my 80 HP Rotax 912ULS, It has never tracked correctly since new and can not easily be readjusted (pitch wise) after the initial setting. My cruise is about 90MPH at 75%. My goal is to bring the cruise speed up. I have talked to Warp and Powerfin and only seem to be more confused. I'm sure others have done this, Thanks in advance.......
Tom McCarthy
N514TM 601 HD
N414TM Kolb Firestar
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Peek-a-boo FREE Tricks & Treats for You! Get 'em! [quote][b]
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goodings(at)yorku.ca
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| Posted: Thu Oct 25, 2007 5:46 am Post subject: 601HD new prop time |
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To my mind, a major factor in choosing a new prop is ground clearance. We
have a Rotax 912S with a 68" GSC prop which we like very much. This gives
us at most 6" of clearance from prop to ground. I wouldn't want to go
into a grass strip with less clearance than that. We cracked a blade tip
taxiing in on grass from the paved runway 30/12 at Orillia/Lake St. John.
Since it only cracked one tip, it was probably a stone sucked up. But it
certainly focussed our attention on ground clearance!
John Goodings, C-FGPJ, CH601HD with R912S, Ottawa/Toronto.
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s.c.richards(at)homecall.
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| Posted: Thu Oct 25, 2007 9:11 am Post subject: 601HD new prop time |
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I agree you should not use longer than 68 inch we have lost 1/8 inch of Rays
wooden prop while taxing & have a 66 inch 3 blade Warp drive on order
Ray Lasniers G CBDG 601HD Continental 0-200 175 Hrs
Clive
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agustafson(at)chartermi.n
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| Posted: Thu Oct 25, 2007 2:33 pm Post subject: 601HD new prop time |
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For anyone interested, I have a never flown IVO MEDIUM 3 blade 72" LEFTHAND prop for sale with spinner. Cleaning out basement, $500 takes the works.Contact me offline agustafson(at)chartermi.net (agustafson(at)chartermi.net)
Aaron Gustafson Flying 601HD 0-200
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