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KAWASAKI

 
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capedavis(at)yahoo.com
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PostPosted: Sat Feb 25, 2012 1:30 pm    Post subject: KAWASAKI Reply with quote
KOLBERS, Has anyone flown a Kolb with a KAWASAKI 440 air cooled ? or do you know anyone who has?


Chris Davis
KXP 503 492 hrs
Glider Pilot
Disabled from crash building Firefly

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flykolb(at)pa.net
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PostPosted: Sat Feb 25, 2012 4:03 pm    Post subject: KAWASAKI Reply with quote
Chris,

Good engines as I recall, Sky Cycle uses them. Trying to remember, but I think some have been using the Kawis all along. I think they are lighter than Rotax. As a manufacturer we went with the proven Rotax w. gearbox, but now that Rotax is fading from the 2-stroke scene…
I would prefer the separate V-belt drives. A well designed redrive using the newer 3VX belts would be my preference over the poly-v belt. Less tension is needed. If a poly-V looses a little tension you can loose a lot of power. But a V-belt drive uses less tension and less likely to looses substantial power suddenly. A well designed V-belt reduction is only slightly less efficient than a synchronous belt with much less chance of torsional vibration issues.

Dennis

From: owner-kolb-list-server(at)matronics.com [mailto:owner-kolb-list-server(at)matronics.com] On Behalf Of chris davis
Sent: Saturday, February 25, 2012 4:29 PM
To: kolb-list(at)matronics.com
Subject: KAWASAKI

KOLBERS, Has anyone flown a Kolb with a KAWASAKI 440 air cooled ? or do you know anyone who has?


Chris Davis
KXP 503 492 hrs
Glider Pilot
Disabled from crash building Firefly

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neilsenrm(at)gmail.com
Guest
PostPosted: Sat Feb 25, 2012 5:09 pm    Post subject: KAWASAKI Reply with quote
Hay Dennis

Last time I talked to you it seems like you were working on the design of a new airplane. Anything new to report?
Rick Neilsen
Redrive VW Powered MKIIIC

On Sat, Feb 25, 2012 at 7:03 PM, Dennis Souder <flykolb(at)pa.net (flykolb(at)pa.net)> wrote:
[quote]
Chris,
 
Good engines as I recall, Sky Cycle uses them.  Trying to remember, but I think some have been using the Kawis all along.  I think they are lighter than Rotax.  As a manufacturer we went with the proven Rotax w. gearbox, but now that Rotax is fading from the 2-stroke scene…
I would prefer the separate V-belt drives.  A well designed redrive using the newer 3VX belts would be my preference over the poly-v belt.  Less tension is needed.  If a poly-V looses a little tension you can loose a lot of power.  But a V-belt drive uses less tension and less likely to looses substantial power suddenly.   A well designed V-belt reduction is only slightly less efficient than a synchronous belt with much less chance of torsional vibration issues.
 
Dennis
 
From: owner-kolb-list-server(at)matronics.com (owner-kolb-list-server(at)matronics.com) [mailto:owner-kolb-list-server(at)matronics.com (owner-kolb-list-server(at)matronics.com)] On Behalf Of chris davis
Sent: Saturday, February 25, 2012 4:29 PM
To: kolb-list(at)matronics.com (kolb-list(at)matronics.com)
Subject: KAWASAKI


 
KOLBERS, Has anyone flown a Kolb with a KAWASAKI 440 air cooled ? or do you know anyone who has?



 

Chris Davis
KXP 503 492 hrs
Glider Pilot
Disabled from crash building Firefly

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