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Re: [Fot] What alternators are you using on a Spitfire?

To: "fot@autox.team.net" <fot@autox.team.net>, Mark Bradakis <mark@bradakis.com>
Subject: Re: [Fot] What alternators are you using on a Spitfire?
From: Rich Hahn via Fot <fot@autox.team.net>
Date: Tue, 20 May 2025 10:35:03 +0000 (UTC)
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <CAO0FjVY0krJH83=WV+VfJBnXrocyPwdV0pBnv+XGobxi6azQrg@mail.gmail.com> <87f079c2-e1b6-4fa4-a856-6bf73fff9f19@bradakis.com>
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 Had the same thing happen to me at Put In Bay with my braided clutch line!=
!=C2=A0 At least I could stop!!
    On Monday, May 19, 2025 at 10:24:19 PM EDT, Mark Bradakis via Fot <fot@=
autox.team.net> wrote: =20
=20
 Back in the days of IVR running events at Wendover, I switched to a=20
single wire alternator in the Killer Spit.=C2=A0 I had to fab some brackets=
=20
to make it fit, but it worked well.=C2=A0 The first event I ran at Wendover=
=20
went very well, I was pleased.

The second event was a bit different.=C2=A0 First race I was doing fine,=20
getting passed bt the Mustangs and Corvettes and RX-7s as usual.=C2=A0 I ca=
me=20
to the hairpin before the main straight, hit the brakes and nothing=20
happened.=C2=A0 Well, it seemed the car doubled its speed when the brakes=
=20
failed.=C2=A0 I of course missed the hairpin entirely, and coasted along th=
e=20
concrete for quite a ways.=C2=A0 Got back to the pits, popped the bonnet an=
d=20
immediately saw the problem.=C2=A0 The single wire between the battery and=
=20
the alternator had come undone from the alternator.=C2=A0 The wire was tied=
=20
to the chassis with a nylon tie a foot or two from the alternator.=C2=A0 Th=
e=20
O ring on the end of the wire had limited range of movement.=C2=A0 What kep=
t=20
it from shorting out on the chassis was the brake line to the left=20
front.=C2=A0 It bounced around.=C2=A0 Ever hear of EDM, electric discharge=
=20
machining?=C2=A0 Well, the wire was still attached to the battery on the=20
other end.=C2=A0 Every time the O ring bounced on the brake line, it sparke=
d.=20
=C2=A0 And soon enough the sparks had eaten through the brake line, and all=
=20
the fluid drained out of the system.=C2=A0 No fluid, no brakes!

mjb.

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<html><head></head><body><div class=3D"ydpf0ad7e93yahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px=
;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">Had the same thing happen to=
 me at Put In Bay with my braided clutch line!!&nbsp; At least I could stop=
!!</div><div><br></div>
       =20
        </div><div id=3D"ydp7ee3b2eyahoo_quoted_8118597061" class=3D"ydp7ee=
3b2eyahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                        On Monday, May 19, 2025 at 10:24:19 PM EDT, Mark Br=
adakis via Fot &lt;fot@autox.team.net&gt; wrote:
                    </div>
                    <div><br></div>
                    <div><br></div>
               =20
               =20
                <div><div dir=3D"ltr">Back in the days of IVR running event=
s at Wendover, I switched to a <br clear=3D"none">single wire alternator in=
 the Killer Spit.&nbsp; I had to fab some brackets <br clear=3D"none">to ma=
ke it fit, but it worked well.&nbsp; The first event I ran at Wendover <br =
clear=3D"none">went very well, I was pleased.<br clear=3D"none"><br clear=
=3D"none">The second event was a bit different.&nbsp; First race I was doin=
g fine, <br clear=3D"none">getting passed bt the Mustangs and Corvettes and=
 RX-7s as usual.&nbsp; I came <br clear=3D"none">to the hairpin before the =
main straight, hit the brakes and nothing <br clear=3D"none">happened.&nbsp=
; Well, it seemed the car doubled its speed when the brakes <br clear=3D"no=
ne">failed.&nbsp; I of course missed the hairpin entirely, and coasted alon=
g the <br clear=3D"none">concrete for quite a ways.&nbsp; Got back to the p=
its, popped the bonnet and <br clear=3D"none">immediately saw the problem.&=
nbsp; The single wire between the battery and <br clear=3D"none">the altern=
ator had come undone from the alternator.&nbsp; The wire was tied <br clear=
=3D"none">to the chassis with a nylon tie a foot or two from the alternator=
.&nbsp; The <br clear=3D"none">O ring on the end of the wire had limited ra=
nge of movement.&nbsp; What kept <br clear=3D"none">it from shorting out on=
 the chassis was the brake line to the left <br clear=3D"none">front.&nbsp;=
 It bounced around.&nbsp; Ever hear of EDM, electric discharge <br clear=3D=
"none">machining?&nbsp; Well, the wire was still attached to the battery on=
 the <br clear=3D"none">other end.&nbsp; Every time the O ring bounced on t=
he brake line, it sparked. <br clear=3D"none">&nbsp; And soon enough the sp=
arks had eaten through the brake line, and all <br clear=3D"none">the fluid=
 drained out of the system.&nbsp; No fluid, no brakes!<br clear=3D"none"><b=
r clear=3D"none">mjb.<div class=3D"ydp7ee3b2eyqt5752381792" id=3D"ydp7ee3b2=
eyqtfd17206"><br clear=3D"none"><br clear=3D"none">________________________=
_______________________<br clear=3D"none"><a shape=3D"rect" href=3D"mailto:=
fot@autox.team.net" rel=3D"nofollow" target=3D"_blank">fot@autox.team.net</=
a><br clear=3D"none"><br clear=3D"none"><a shape=3D"rect" href=3D"http://ww=
w.fot-racing.com" rel=3D"nofollow" target=3D"_blank">http://www.fot-racing.=
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