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Dick Maddux
Joined: 24 Jun 2008
Posts: 516
Location: Milton, Fl
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 Posted: Wed Nov 19, 2008 5:21 am Post subject: Kitfox Engine - 2 Stroke VS 4 Stroke. |
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Paul,
That is all well and true that another engine can get you to the scene of the crash if the first one fails but I am reminded of a few occasions when I was glad to have the others. One was over the pacific when we lost an engine in a P-3. I knew 3 engines would take us home. Another was when I was a new engineer for a major and flying a DC10 to London from Houston. We were far over the Atlantic and heard a call from a B767 with a full load of passengers that was diverting to Iceland because of an engine failure. His voice was rather high pitched as you can imagine. (glad we had 3 and wish I could have given him one)
The worst one was loosing two engines on a DC6 (1 and 3) prior to even reaching 2000 ft! On that one I was riding in the back. After landing I congratulated two very pale white pilots on a job well done. I was learning to fly this aircraft and asked them if this was standard operation in this aircraft.(loosing two)
With all of that said, I too leave the throttle alone when I have to fly over a large body of water with no other way of getting there. (glancing at a good magazine article also helps)
Dick Maddux
Fox 4
Pensacola,Fl
You Rock! One month of free movies delivered by mail from blockbuster.com
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LarryM
Joined: 27 Nov 2007
Posts: 63
Location: Genoa, IL
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| Posted: Wed Nov 19, 2008 5:34 am Post subject: Re: Kitfox Engine - 2 Stroke VS 4 Stroke. |
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From South Africa where they changed the mandatory overhaul schedule that Rotax publishes to 600hrs/10yrs, then 300 hrs there after, crank replacement bases on 60% wear, no time/hr limit. Details see
http://misasa.flyeaaforum.com/wp-content/uploads/2008/03/rotax-2-stroke-exemption-application.pdf
larry
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Download |
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SA 582 Maintenance Schedule.pdf |
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LarryM
Joined: 27 Nov 2007
Posts: 63
Location: Genoa, IL
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| Posted: Wed Nov 19, 2008 5:45 am Post subject: Re: Kitfox Engine - 2 Stroke VS 4 Stroke. |
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Also from SA: Rotax reliability facts:
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Guy Buchanan
Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA
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| Posted: Wed Nov 19, 2008 8:56 am Post subject: Kitfox Engine - 2 Stroke VS 4 Stroke. |
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At 05:34 AM 11/19/2008, you wrote:
| Quote: | >From South Africa where they changed the mandatory overhaul
schedule that Rotax publishes to 600hrs/10yrs, then 300 hrs there
after, crank replacement bases on 60% wear, no time/hr limit. Details see
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This is AMAZING, Larry. I checked their website
(http://misasa.flyeaaforum.com/?p=469) and found that the request is
expected to be approved. I loved the letter because of the statistics
in the appendix. It's the best information on 582's I've ever seen.
Thanks,
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.
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_________________
Guy Buchanan
Deceased K-IV 1200
A glider pilot too. |
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Guy Buchanan
Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA
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| Posted: Wed Nov 19, 2008 9:47 am Post subject: Kitfox Engine - 2 Stroke VS 4 Stroke. |
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At 05:34 AM 11/19/2008, you wrote:
Larry,
I have attached a plot of the number of engines in each
group of 100 hours, (i.e. 0-100, 100-200, etc.) These are the hours
582s in South Africa have flown without crank replacement or major
overhaul. I'm trying to figure out the number of hours one can fly
with a 97% chance of no-crank-failure based on this data, but my
statistical mathematics is rusty.
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.
| | - The Matronics Kitfox-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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_________________
Guy Buchanan
Deceased K-IV 1200
A glider pilot too. |
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