[V8] Ingition sensors
Ingo Rautenberg
ingo.rautenberg at gmail.com
Mon Sep 15 17:52:11 PDT 2008
Gotta love engenuity :-D
- Ingo
On Sep 15, 2008, at 8:29 PM, Dave Saad <dsaad at icehouse.net> wrote:
> Well...
>
> An antilock brake sensor does work as a timing sensor - the motor
> starts right up. I won't be able to test drive it for a while but it
> looks good. Now I guess I need to come up with a good way to splice
> on a connector.
> I currently have it installed as the "black" sensor which I think is
> the one that counts flywheel teeth. I am going to put another one in
> for the reference sender as soon as I get another.
>
> Dave
>
>
> On Sep 15, 2008, at 1:32 PM, dsaad at icehouse.net wrote:
>
>>
>>
>> As predicted - I had a timing ref sensor go bad - causing the usual
>> hot
>> start problem. After I got it out, I can see that it does indeed
>> "open up" when heat is applied. You can watch the
>> resistance rapidly increase to about 2k - then poof - open.
>> Actually, both sensors are doing it - meaning that they all fail
>> after
>> some period of time. I dissected one of mine, and can see that there
>> was no oil or anything in it - they just go bad from heat cycles.
>>
>> (btw, there is several thousand turns of 0.002" magnet wire in
>> there - probably gage AWG 42.5)
>>
>> Now - here is the crazy part
>> -
>> a wheel antilock brake sensor is the same device, and comes very
>> close to physically fitting. I am going to install it and see if it
>> works. From my bench testing, these sensors are way more stable
>> under heat.
>> I am also going to try to rewind my old sensor if I
>> can find the wire somewhere.
>>
>>
>> Wish me luck...
>>
>>
>> Dave
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>
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