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marvinlnaz(at)yahoo.com
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 Posted: Thu Oct 29, 2009 6:42 am Post subject: Engine break-in |
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Pete:
Would a 3300 get the same quality break-in in a LSA Lightning as it would in a standard Lightning? I ask because of the different prop pitch, thus different engine loading in the two different configurations. It seems to me that the engine loading of a LSA wouldn't be as great as with the standard Lightning. I remember that the best way to break in the 3300 is to do several touch and goes resulting in full power, then reduced power repeatedly.
Perhaps the lighter loading of the LSA engine could be compensated by a longer break-in period?
Just a thought.
Regards,
Marvin
[quote]
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pete(at)flylightning.net
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| Posted: Thu Oct 29, 2009 6:54 am Post subject: Engine break-in |
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Marvin,
The rpms and prop loading on the Lightning LS-1 more closely match the expected RPMs of Jabiru LSA aircraft. I would expect break in to be very similar. The Lightning EXP when propped for speed puts more load on the engine but I don’t know if that really affects break in. The only times we’ve seen problems with inadequate break in is when owners try to baby their engines and do not run full throttle to climb out and cruise at a reduced throttle setting of 2300 rpm.
Pete Krotje
Jabiru USA Sport Aircraft, LLC
931-680-2800
www.usjabiru.com
From: owner-lightning-list-server(at)matronics.com [mailto:owner-lightning-list-server(at)matronics.com] On Behalf Of Marvin Williams
Sent: Thursday, October 29, 2009 9:40 AM
To: lightning-list(at)matronics.com
Subject: Engine break-in
Pete:
Would a 3300 get the same quality break-in in a LSA Lightning as it would in a standard Lightning? I ask because of the different prop pitch, thus different engine loading in the two different configurations. It seems to me that the engine loading of a LSA wouldn't be as great as with the standard Lightning. I remember that the best way to break in the 3300 is to do several touch and goes resulting in full power, then reduced power repeatedly.
Perhaps the lighter loading of the LSA engine could be compensated by a longer break-in period?
Just a thought.
Regards,
Marvin
0123456789012
[quote][b]
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info(at)flylightning.net
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| Posted: Thu Oct 29, 2009 7:38 am Post subject: Engine break-in |
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Marvin,
As Pete said the LS-1 would have very similar prop loading to the Jabiru J series aircraft. I would think that if the engine is propped to run near 3300RPM at WOT than the expected prop load at 2850 say would be the same regardless of airframe prop combo, than again I think prop load is somewhat of a voodoo art any ways.
Nick
From: owner-lightning-list-server(at)matronics.com [mailto:owner-lightning-list-server(at)matronics.com] On Behalf Of Marvin Williams
Sent: Thursday, October 29, 2009 9:40 AM
To: lightning-list(at)matronics.com
Subject: Engine break-in
Pete:
Would a 3300 get the same quality break-in in a LSA Lightning as it would in a standard Lightning? I ask because of the different prop pitch, thus different engine loading in the two different configurations. It seems to me that the engine loading of a LSA wouldn't be as great as with the standard Lightning. I remember that the best way to break in the 3300 is to do several touch and goes resulting in full power, then reduced power repeatedly.
Perhaps the lighter loading of the LSA engine could be compensated by a longer break-in period?
Just a thought.
Regards,
Marvin
0123456789012
[quote][b]
| | - The Matronics Lightning-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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marvinlnaz(at)yahoo.com
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| Posted: Thu Oct 29, 2009 11:52 am Post subject: Engine break-in |
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Thanks Pete and Nick,
I am of the same opinion as you Nick 
Marvin
From: flylightning <info(at)flylightning.net>
To: lightning-list(at)matronics.com
Sent: Thu, October 29, 2009 8:37:53 AM
Subject: RE: Engine break-in
Marvin,
As Pete said the LS-1 would have very similar prop loading to the Jabiru J series aircraft. I would think that if the engine is propped to run near 3300RPM at WOT than the expected prop load at 2850 say would be the same regardless of airframe prop combo, than again I think prop load is somewhat of a voodoo art any ways.
Nick
From: owner-lightning-list-server(at)matronics.com [mailto:owner-lightning-list-server(at)matronics.com] On Behalf Of Marvin Williams
Sent: Thursday, October 29, 2009 9:40 AM
To: lightning-list(at)matronics.com
Subject: Engine break-in
Pete:
Would a 3300 get the same quality break-in in a LSA Lightning as it would in a standard Lightning? I ask because of the different prop pitch, thus different engine loading in the two different configurations. It seems to me that the engine loading of a LSA wouldn't be as great as with the standard Lightning. I remember that the best way to break in the 3300 is to do several touch and goes resulting in full power, then reduced power repeatedly.
Perhaps the lighter loading of the LSA engine could be compensated by a longer break-in period?
Just a thought.
Regards,
Marvin
012345
6
[quote][b]
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