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Thom Riddle
Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)
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 Posted: Thu Feb 18, 2010 6:25 pm Post subject: PSRU on a Jabiru? |
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I'm curious if anyone has every attempted to mount any sort of prop speed reduction unit on any Jabiru engine. I'm not saying I want to do this, just curious to see if anyone has ever done so. If so, results and other details would be welcome.
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_________________
Thom Riddle
Buffalo, NY (9G0)
Don't worry about old age... it doesn't last very long.
- Anonymous |
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matronics(at)rtist.nl
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zeprep251(at)aol.com
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| Posted: Fri Feb 19, 2010 4:42 am Post subject: PSRU on a Jabiru? |
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Because of the billet construction method of the Jabiru crankcase,it would be pretty easy to add mount pads to it.
G.Aman
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Kayberg(at)aol.com
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| Posted: Fri Feb 19, 2010 5:23 am Post subject: PSRU on a Jabiru? |
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In a message dated 2/19/2010 7:42:36 A.M. Eastern Standard Time, zeprep251(at)aol.com writes:
| Quote: | Because of the billet construction method of the Jabiru crankcase,it would be pretty easy to add mount pads to it.
G.Aman
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And it should work as well as the geared Continentals....OOPS!
The problem is the engine was designed to turn 3300 MAX rpms. If you want a geared engine, get a Rotax 912 and run it at 5500 rpms.
Anybody remember the Cessna 175?
Doug Koenigsberg
[quote][b]
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avidaerobat(at)yahoo.ca
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| Posted: Fri Feb 19, 2010 6:10 am Post subject: PSRU on a Jabiru? |
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Geared continentals worked fine, it was the pilots that still wanted to run them at 2500rpm. that caused the problems.
There has been a lot of success with VW's and gear reductions. Their rpm's are similar to the Jabiru.
Slower moving propellers are more efficient. To slow can be a problem under certain circumstances.
--- On Fri, 2/19/10, Kayberg(at)aol.com <Kayberg(at)aol.com> wrote:
| Quote: |
From: Kayberg(at)aol.com <Kayberg(at)aol.com>
Subject: Re: PSRU on a Jabiru?
To: jabiruengine-list(at)matronics.com
Received: Friday, February 19, 2010, 3:49 AM
In a message dated 2/19/2010 7:42:36 A.M. Eastern Standard Time, zeprep251(at)aol.com writes:
| Quote: | Because of the billet construction method of the Jabiru crankcase,it would be pretty easy to add mount pads to it.
G.Aman
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And it should work as well as the geared Continentals....OOPS!
The problem is the engine was designed to turn 3300 MAX rpms. If you want a geared engine, get a Rotax 912 and run it at 5500 rpms.
Anybody remember the Cessna 175?
Doug Koenigsberg
| Quote: | | t="_blank" href="http://www.matronics.com/Navigator?JabiruEngine-List">el="nofollow" target="_blank" href="http://www.matronics.com/contribu=== |
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The new Internet Explorer® 8 - Faster, safer, easier. Optimized for Yahoo! Get it Now for Free! [quote][b]
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pete(at)usjabiru.com
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| Posted: Fri Feb 19, 2010 6:44 am Post subject: PSRU on a Jabiru? |
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It has been tried a few times. I've been told it resulted in a broken
crankshaft each time.
Pete
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Thom Riddle
Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)
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| Posted: Fri Feb 19, 2010 6:48 am Post subject: Re: PSRU on a Jabiru? |
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Thanks, Pete.
I was hoping you would have some knowledgeable input. Good idea on paper but looks like the crank is not up to it.
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_________________
Thom Riddle
Buffalo, NY (9G0)
Don't worry about old age... it doesn't last very long.
- Anonymous |
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