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Fergus Kyle
Joined: 03 Jun 2007
Posts: 291
Location: Burlington ON Canada
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 Posted: Tue Jul 01, 2008 6:06 am Post subject: Ignition wires 914 |
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Hello,
This aircraft is obviously being built by email....... I have no
914ers nearby.
What baffles is the extension of the ignition wires from the Rotax
leads A and B onward.
\The manual instructs that it consist of 0.75mm gauge enclosed in grounded
coax (shielding) at both ends. Thing is, they end in simple metal tubing
about 3mm in diameter.
How then does one accede to the shielding advice, especially since
NA standard wires don't mesh in any way? Your sage advice once more eagerly
awaited.
Cheers, Ferg Kyle
A064
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josok-e(at)ukolo.fi
Guest
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| Posted: Tue Jul 01, 2008 6:51 am Post subject: Ignition wires 914 |
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Hi Ferg,
Intenet is great. You will always get so many opinions that there is at least one right amongst the rubbish. This answer is rubbish, because i don't quite grab the question  It's shielded wire that's called for allright. Connect the shields on the engine ground only for best result. Coax is shielded, but shielded wire is not always coax. Shielded AC quality wire is readily available. Don't quite understand where you see those ignition kill wires in 3 mm tubing though.
Regards,
Jos
Visit - www.EuropaOwners.org
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Ivor Phillips
Joined: 16 Jan 2006
Posts: 253
Location: London UK
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| Posted: Tue Jul 01, 2008 8:04 am Post subject: Ignition wires 914 |
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Hi Ferg if you look at this article it should all become clear,
Best wishes
Ivor
To: EUROPALIST
Subject: Ignition wires 914
Hello,
This aircraft is obviously being built by email....... I have no
914ers nearby.
What baffles is the extension of the ignition wires from the
Rotax
leads A and B onward.
\The manual instructs that it consist of 0.75mm gauge enclosed in
grounded
coax (shielding) at both ends. Thing is, they end in simple metal tubing
about 3mm in diameter.
How then does one accede to the shielding advice, especially
since
NA standard wires don't mesh in any way? Your sage advice once more
eagerly
awaited.
Cheers, Ferg Kyle
A064
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Rotax_P%20lead.pdf |
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Gilles.Thesee(at)ac-greno
Guest
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| Posted: Tue Jul 01, 2008 9:23 am Post subject: Ignition wires 914 |
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Fergus Kyle a écrit :
| Quote: | What baffles is the extension of the ignition wires from the Rotax
leads A and B onward.
\The manual instructs that it consist of 0.75mm gauge enclosed in grounded
coax (shielding) at both ends. Thing is, they end in simple metal tubing
about 3mm in diameter.
How then does one accede to the shielding advice, especially since
NA standard wires don't mesh in any way? Your sage advice once more eagerly
awaited.
|
Ferg,
This could help :
http://contrails.free.fr/engine_rotax_mag_connect_en.php
FWIW,
Best regards,
--
Gilles
http://contrails.free.fr
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ptag.dev(at)tiscali.co.uk
Guest
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| Posted: Tue Jul 01, 2008 1:05 pm Post subject: Ignition wires 914 |
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Hi! Fred
I don't know how far back your engine number is but those previous to
mine used "bullet" connectors (mine has a special "probe" type connector
and rubber grommets to pick up the grounding lead core) probably yours
has the bullet female sockets for the lead core then you make up a
connection to the braided outer shield wire with an eyelet and connect
them to a grounding bolt on the engine.
I would expect that what you are calling "metal tubing" is a non
conductor type of sheath. However be sure that you are in the right
holes otherwise you can't stop the damned engine.
The diagrams provided by Rotax were very poor on understandable.
I found out the hard way..., !
Regards
Bob Harrison G-PTAG
--
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