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JerryHey
Joined: 05 May 2007
Posts: 30
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 Posted: Wed Jul 04, 2007 5:23 am Post subject: 701 engine thrust line |
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I've spent an hour pouring over the plans and cannot locate the
design thrust line. Can anyone help? This is for preliminary
design for a Mazda Single Rotor installation. I feel like the info
must be there but I am not seeing it. Jerry
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planecrazydld(at)yahoo.co
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| Posted: Wed Jul 04, 2007 11:59 am Post subject: 701 engine thrust line |
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According to 6-YE-1 and 6-YE-2 (Lyc installations) the crank is parallel to and 15mm BELOW the upper surface of the upper longerons. According to 6-CE-1 (Continental installation) the crank is parallel to and 10mm ABOVE the upper surface of the upper longerons. According to 6-JE-1 (Jabiru installation) the crank is parallel to and 23mm ABOVE the upper surface of the upper longerons. I never did find that information for the Rotax's.
It would seem that the thrust line is not very critical cinse it floats by about 1.5" in their installations... Take not though that the right or left thrust does vary.
Jerry Hey <jerryhey(at)earthlink.net> wrote:[quote] --> Zenith-List message posted [quote][b]
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JerryHey
Joined: 05 May 2007
Posts: 30
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| Posted: Wed Jul 04, 2007 12:11 pm Post subject: 701 engine thrust line |
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Thanks, reverse engineering from the recommended prop clearance (9 inches) , it is clear that a 68 inch prop will put the thrust line about where it should be. Jerry
On Jul 4, 2007, at 3:58 PM, David Downey wrote:
| Quote: | According to 6-YE-1 and 6-YE-2 (Lyc installations) the crank is parallel to and 15mm BELOW the upper surface of the upper longerons. According to 6-CE-1 (Continental installation) the crank is parallel to and 10mm ABOVE the upper surface of the upper longerons. According to 6-JE-1 (Jabiru installation) the crank is parallel to and 23mm ABOVE the upper surface of the upper longerons. I never did find that information for the Rotax's.
It would seem that the thrust line is not very critical cinse it floats by about 1.5" in their installations... Take not though that the right or left thrust does vary.
Jerry Hey <jerryhey(at)earthlink.net (jerryhey(at)earthlink.net)> wrote: | Quote: | --> Zenith-List message posted | Quote: |
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