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Speed Sensor Help........

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Old Oct 29, 2005 | 04:58 PM
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Default Speed Sensor Help........

My Boost Controller has the ability to Display Speed. I have always used a Ford Sensor (the one that goes in the Gearbox). Obviously this is affected by Wheelspin and mine is actually not working properly.

I have 3 options. I can either buy :-

A new Ford Gearbox Sensor
A new Aftermarket Gearbox Sensor (such as 'Brantz' or 'Terratrip' etc)
A different type of Sensor altogether that picks up off the rear wheel.

I know that the Stack Speedo's etc use a Magnetic type sensor that you can set to 'See' the Rear Wheel Studs. My Blitz unit has 1 wire that is looking for a Speed signal, will this type of Sensor give off what the Digital Unit wants to see? I know the Blitz unit isn't quite as advanced as Stack etc, but it has always been surprisingly accurate, I would just like to improve upon it.

Any help appreciated!!
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Old Oct 29, 2005 | 06:17 PM
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Old Oct 29, 2005 | 07:21 PM
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Default Re: Speed Sensor Help........

Originally Posted by Christian and Beccy
I know that the Stack Speedo's etc use a Magnetic type sensor that you can set to 'See' the Rear Wheel Studs.
Where'd you learn that?
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Old Oct 30, 2005 | 10:34 AM
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you need either a npn or pnp proxi sensor,, can get them from farnell for about 20 quid! sorry i dont know which one as ive never used the boost controller you are using

got an online manual for it? ill have a lookie
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Old Oct 30, 2005 | 11:06 PM
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CheeRS Gareth.

I'm not really sure what it wants to see, but I know that you can connect it quite happily to the Speed Signal wire on most Jap Cars, so whatever signal they give out is roughly what it needs. It was also quite accurate using the Ford Sensor.

Its nowhere near as advanced as Stack etc, you only calibrate it at 25mph, but thats plenty good enough for me. It was within 2-3mph at 160mph.

What I really want is a Magnetic sensor that picks up the Wheel Studs, I guess I will have to just try it and see.

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Old Oct 31, 2005 | 08:40 AM
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im nto sure what the standard speed sesnor output is,, but theres a simple way of testing,,,, connect a multimeter too the output (im guess it would be a square wave) and see if its a positive wave or a negative!

if its a positive wave you need a pnp inductive pickup
if its a negative you need a npn inductive pickup

when you say magnetic sesnor i think you mean inductive and not a hull effect

how many wires go too the standard sensor? is it pos/neg/signal?

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Old Oct 31, 2005 | 08:41 AM
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just thought,, you might have a skope about the place that would be even better for measuring the wave
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Old Oct 31, 2005 | 08:42 AM
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Originally Posted by GARETH T
im nto sure what the standard speed sesnor output is,, but theres a simple way of testing,,,, connect a multimeter too the output (im guess it would be a square wave) and see if its a positive wave or a negative!

if its a positive wave you need a pnp inductive pickup
if its a negative you need a npn inductive pickup

when you say magnetic sesnor i think you mean inductive and not a hull effect

how many wires go too the standard sensor? is it pos/neg/signal?


wahhheeey! did you see that !



right over my head!
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Old Oct 31, 2005 | 08:50 AM
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Are we talking one of these?

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Old Oct 31, 2005 | 08:51 AM
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that looks like a hull effect too me
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Old Oct 31, 2005 | 08:56 AM
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Gareth

That is a hall effect sensor....which is what they use on the stack I believe...just trying to establish the type of sensor Christian is after...and its the only pic of a sensor I have on my p.c. lol
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Old Oct 31, 2005 | 09:12 AM
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stack uses a indective two wire type
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Old Oct 31, 2005 | 09:13 AM
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http://www.ifmefector.com/ifmuk/web/dsfs!IE5222.html

one of these infact,, (BTW christian thats not they type you need)
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Old Oct 31, 2005 | 11:57 AM
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Ive got 4 on mine

i use the Ifm efector sensors (IE5238 IIRC)........the best IMO.
All of mine are setup so that they use the rear of the wheel studs as the signal.

Best used as they are on M8 sized so nice and small.

Ive also got the bigger M18 Mag proxy for the speedo.........

If you need any more help....just shout
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