DaveG601XL
Joined: 27 Oct 2006
Posts: 351
Location: Cincinnati, Oh
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 Posted: Thu Dec 20, 2007 8:39 am Post subject: Firewall Placement Of Electrical Components |
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I am building a Zenith 601 and using a variation of the Z16 drawing. I am currently working on placing my regulator, S704-1 OV relay and capacitor. The B&C instructions are pretty clear that this stuff should be mounted on the cockpit side of the firewall and away from engine heat. In this configuration, the Z16 would have me running a 12GA from the capacitor, through the firewall, and out to the up-leg screw on the starter relay. I would also have a 12GA going from the down-leg screw of the battery relay, through the firewall, and to the main distribution bus. My question is two-fold:
1. Is it critical that these electrical parts be on the backside of the firewall. I have seen photos of this stuff on the engine side on other airplanes.
2. If I follow B&C's recommendation on placement, can I run the alternator lead from the capacitor straight to the main distribution bus? This would only require one 12GA wire firewall penetration from the bus to the battery relay.
Thanks,
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David Gallagher
Cincinnati, OH area |
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