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| Home > Help Needed / General Tech Chat > speed sensor for boost control? | |||||||
 10023 Posts Member #: 1456 Mongo Barnsley, South Flatcapshire |
26th Aug, 2009 at 12:04:41pm
Could a custom speedo cable be made which will provide an output for something like avcr? If something is worth doing, it's worth doing half of. |
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 2909 Posts Member #: 83 Post Whore Glasgow, Scotland |
26th Aug, 2009 at 12:20:03pm
yes, 2 or 4 magnets atached to the rotating part and a hall effect sensor. to pick them up, like i say im sure you could incorporate this into the mini speedo itself.
Edited by evolotion on 26th Aug, 2009. turbo 16v k-series 11.9@118.9 :)
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 1451 Posts Member #: 328 Post Whore Seaford Rise, South Australia |
26th Aug, 2009 at 06:35:26pm
Don't make life hard take it off of the back wheel - all that is required is a drill, file and some washers!!!! Edited by Scruffy on 26th Aug, 2009. On 5th Sep, 2011 Vegard said:
I stand corrected. You should know  |
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Site Admin  15302 Posts Member #: 337 Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner & TM legend. |
26th Aug, 2009 at 06:45:36pm
The rear wheel will work well for true speed indication- but it will not work well for gear position indication- if the revs flare up due to wheelspin but the road speed from the undriven wheel is compared the resulting gear calculation will be wrong.
On 29th Nov, 2016 madmk1 said:
On 28th Nov, 2016 Rob Gavin said:
I refuse to pay for anything else Like fuel 😂😂 |
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Forum Mod  4828 Posts Member #: 154 Post Whore Midlands |
26th Aug, 2009 at 06:47:11pm
i'm going to fire off an email to apexi and see what sort of feed the avcr needs for its speed input, no idea if it's going to be a pulse, a voltage reading or whatever else. On 20th Oct, 2015 Tom Fenton said:
Well here is the news, you are not welcome here, FUCK OFF. |
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2909 Posts Member #: 83 Post Whore Glasgow, Scotland |
26th Aug, 2009 at 08:39:10pm
On 26th Aug, 2009 Nick said:
i'm going to fire off an email to apexi and see what sort of feed the avcr needs for its speed input, no idea if it's going to be a pulse, a voltage reading or whatever else. 0-5v or 0-12v square wave with 2, 4 , 8 or 16 transitions from low to high and back again per revolution of the speedo cable. selectable in the software on the apexi. turbo 16v k-series 11.9@118.9 :)
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 998 Posts Member #: 2178 Post Whore Leyland, Lancs |
31st Aug, 2009 at 11:21:37am
On 25th Aug, 2009 matty said:
Im making a trigger wheel to fit on the pot joint for my speed sensor, mainly for my speedo. I'll post some pics up, but it'll be a while before I can start it. I tried this, with my magnetic type pickup for my digital clocks - the pot joint moves far too much for it to work well. It would work for a few miles, then stop, then start again. In the end I put it in the rear hub like everyone else has suggested. On 15th Jul, 2009 fastcarl said:
a breif struggle ensued but Will emerged the victor with a pair of undies in his possesion On 21st Sep, 2009 apbellamy said:
No, but you did chuck your guts up over my front gate the Saturday before! You even managed to get a bit in your arm pit... |
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 3756 Posts Member #: 1709 I like granny porn. LONDONSHIRE |
31st Aug, 2009 at 01:11:38pm
nick the avcr is self learning,and it will learn when you change gear, so after a while of normal driving it knows when you have wheelspin etc, i just used a rover speed sensor pickup and then ground down the thread housing to make it fit,
Edited by rubicon on 31st Aug, 2009. On 2nd Oct, 2009 Vegard said:
On 1st Oct, 2009 Jimster said:
I bet my first wank came quicker than your first mini turbo These new modern turbos with their quick spool up time, would make the competition harder. On 15th Aug, 2011 robert said:
phew!!! thank you brett for smashing in my back doors .( not something i imagined writing... EVER) |
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3756 Posts Member #: 1709 I like granny porn. LONDONSHIRE |
31st Aug, 2009 at 01:12:56pm
On 26th Aug, 2009 Nick said:
i'm going to fire off an email to apexi and see what sort of feed the avcr needs for its speed input, no idea if it's going to be a pulse, a voltage reading or whatever else. its a voltage iirc and will pick up rpm, Edited by rubicon on 31st Aug, 2009. On 2nd Oct, 2009 Vegard said:
On 1st Oct, 2009 Jimster said:
I bet my first wank came quicker than your first mini turbo These new modern turbos with their quick spool up time, would make the competition harder. On 15th Aug, 2011 robert said:
phew!!! thank you brett for smashing in my back doors .( not something i imagined writing... EVER) |
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3596 Posts Member #: 655 Post Whore Northern Ireland |
31st Aug, 2009 at 01:30:36pm
AVCR is a pain in the fucking hole to set up.
9.85 @ 145mph
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3756 Posts Member #: 1709 I like granny porn. LONDONSHIRE |
31st Aug, 2009 at 11:05:33pm
On 31st Aug, 2009 stevieturbo said:
AVCR is a pain in the fucking hole to set up. Why not just fit triggers to the undriven wheel, read via a hall or mag sensor ? That way you have a true indication of undriven wheel speed. Or fit an aftermarket ecu that offers traction control, and will retard timing/kill spark based on traction loss etc. Just because you dont use the fuel side of the ecu, doesnt mean it wont work. This same ecu should also be able to control boost too. i figured it out....lol On 2nd Oct, 2009 Vegard said:
On 1st Oct, 2009 Jimster said:
I bet my first wank came quicker than your first mini turbo These new modern turbos with their quick spool up time, would make the competition harder. On 15th Aug, 2011 robert said:
phew!!! thank you brett for smashing in my back doors .( not something i imagined writing... EVER) |
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