Answer to this one is always the same : Size the breaker to protect
the wire size used. The device hooked to the wire has nothing to do with
breaker size.
The 40 amp breaker example in the installation guide was to illustrate the
importance of having separate main branches of the electrical system, one for
flight critical systems and one for other stuff. I got a call last week
from a builder who lost his engine on final on his first flight when he turned
on his landing lights. Don't let this happen to you.
To reiterate more explicitly, Do NOT size the circuit breakers
according to the amp load of the devices hooked to them.
Tracy
----- Original Message -----
Sent: Monday, October 16, 2006 5:37
AM
Subject: [FlyRotary] What size CB or
fuses.. EC 2 items..
After reviewing the electronic copy of the EC-2 manual I am at
a loss
for an explicit answer.
What size fuse or CB is appropriate
for the injectors.. and for the
coils (using LS-1 coils and I'm presuming
that injectors are
"Standardized" to either low impedence or high
impedance).. I already
have the resistors for my low impedance
coils.
I intend to run one pair of injector power wires through one CB
and the
other pair through another CB just for grins/giggles and I am
contemplating doing the same with coils as well...(trailing and leading
power leads)..So.. I am actually asking what size CB for 2 coils and for
2 injectors, respectively.. The manual simply says everything in Tracy's
plane (FP, coils, injectors) goes through one big 40 amp
breaker...
Dave
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