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Date: Sat, 21 Nov 2009 11:52:59 -0500
Message-ID: <1ab24f410911210852t6c78ec30x4268a15c60aba2e9@mail.gmail.com>
Subject: No start
From: Lynn Hanover <lehanover@gmail.com>
To: flyrotary@lancaironline.net
Content-Type: multipart/alternative; boundary=00032555f692c57d580478e46ced

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Steve,

I removed the battery cable running to the starter, and using a spare
battery, and a jumper cable for the ground, I cranked the starter with
this battery, which was isolated from the airplanes electrical system.
It had good spark on both rotors .... yeah !!!

It still sounds like low battery voltage during cranking.

There is a minimum voltage below which some components will no longer
function. A volt meter on the battery during cranking would give you the
actual voltage available to run the electronics. Starters can draw over 100
amps during cranking. Quite a load for a small battery. The race car will
start about 4 times on the little garden tractor battery. Then nothing. So
we start up with a big group 24 paste battery with an aircraft style plug in
cable made of welding wires. That jump battery is in parallel with the
tractor battery as well so we charge the racer and the jump battery by
leavng the tractor running.

Lynn E. Hanover

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<div>Steve,<br><br>I removed the battery cable running to the starter, and =
using a spare<br>battery, and a jumper cable for the ground, I cranked the =
starter with<br>this battery, which was isolated from the airplanes electri=
cal system.<br>
It had good spark on both rotors .... yeah !!!<br><br>It still sounds like =
low battery voltage during cranking. </div>
<div>=A0</div>
<div>There is a minimum voltage below which some components will no longer =
function. A volt meter on the battery during cranking would give you the ac=
tual voltage available to run the electronics. Starters can draw over 100 a=
mps during cranking. Quite a load for a small battery. The race car will st=
art about 4 times on the little garden tractor battery. Then nothing. So we=
 start up with a big group 24 paste battery with an aircraft style=A0plug i=
n cable made of welding wires. That jump battery is in parallel with the tr=
actor battery as well so we charge the racer and the jump battery by leavng=
 the tractor running. </div>

<div>=A0</div>
<div>Lynn E. Hanover</div>

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