philwaters Posted March 14, 2007 Share Posted March 14, 2007 I've got a new speed sensor to mount on the front wheel as part of my new dash. The item is this one and I've already got a magnet on my wheel from my old bike speedo. Anyone got any natty ways of mounting something similar? Phil Waters Link to comment Share on other sites More sharing options...
Trevor Newman Posted March 14, 2007 Share Posted March 14, 2007 If its a stack sensor i think it can pick up on the brake disc studs 2 jubilee clips? Link to comment Share on other sites More sharing options...
Area Representative z7 Posted March 14, 2007 Area Representative Share Posted March 14, 2007 Hi Phil, Not a natty method but I glued my magnet to a brake disk nut, and cable tied the sensor to the upright. Adil Link to comment Share on other sites More sharing options...
martinwhitcher Posted March 15, 2007 Share Posted March 15, 2007 when i fitted my mxl unit recently i used a stack speed sensor bracket from caterham, this has a 6mm (i think) threaded hole, dataspares then provided me with a 6mm speed sensor which picks up the brake nuts. Martin MW 51 CAT Superlight No.171 now known as:Superlight DVA 250 Link to comment Share on other sites More sharing options...
Dave B Posted March 15, 2007 Share Posted March 15, 2007 I fitted a stack tach timer and the speed sensor is fitted into a small bracket supplied by CC and fits onto the caliper mounting bolts. Dont know if your sensor is the same as astack though. Dave B Link to comment Share on other sites More sharing options...
philwaters Posted March 15, 2007 Author Share Posted March 15, 2007 thanks guys - I think I may have ordered my sensor too quickly as I thought I just wanted one to pick up on my existing magnet... It'll work, but I think I'll have to make a custom bracket - doh, more time Phil Waters Link to comment Share on other sites More sharing options...
Ferrino Posted March 17, 2007 Share Posted March 17, 2007 Hi Phil - I am using this speedo sensor on my front O/S wheel for my Mychron 3 - it is picking up a tiny 'disc-shaped' magnet which I epoxy'd to the wheel rim. But yes I had to fabricate an L-shaped bracket which I bolted to the flat section of the wingstay (ie. through the same plate that the tapered balljoint goes through). Works great but yeah it's just another thing to spend time making. BTW, thanks for the tip on the Mychron fuel sender circuit. Yamaham @ Keevil Link to comment Share on other sites More sharing options...
philwaters Posted March 17, 2007 Author Share Posted March 17, 2007 Thanks Tony, I have made up a little clamp now which looks like it'll work Let me know if you try the circuit and how it works out for you. Phil Waters Link to comment Share on other sites More sharing options...
philwaters Posted March 17, 2007 Author Share Posted March 17, 2007 Piccy of wingstay clamp - Of course I had to polish it 😬 😬 😬 Phil Waters Link to comment Share on other sites More sharing options...
TopQ1967 Posted March 17, 2007 Share Posted March 17, 2007 Who has a picture of the CC Stack mount? Q. Link to comment Share on other sites More sharing options...
TorAtle Posted June 29, 2008 Share Posted June 29, 2008 Anyone got any pictures? Phil's is gone... Is the preferred way to make up a bracket and use the 2 brake caliper bolts? I am using an MXL speed sensor with (I think) a fine M8 thread. Link to comment Share on other sites More sharing options...
k80rum Posted June 29, 2008 Share Posted June 29, 2008 I can take some of mine tomorrow if it helps. I used to have the CC Stack mounting bracket, but when I changed to a magnet-sensor with the MXL/Emerald I epoxied the magnet to a disk bolt and used a Z shaped piece of metal to mount the sensor through. The other end of the Z-piece I mounted using the lower (I think) caliper mounting bolt. Holds it perfectly Let me know if some snaps are needed and I'll get some for you if tomorrow's not too late. Phil's updated his galleries recently. You'll be able to find the mount here now I think Darren E K80RUM Website and Emerald maps library Superlight R #54 Edited by - k80rum on 29 Jun 2008 21:50:06 Link to comment Share on other sites More sharing options...
TorAtle Posted June 29, 2008 Share Posted June 29, 2008 Thanks Darren A Z-shaped mounting bracket sounds like a good idea to get the sensor closer to the wheel bolt. Will make one up tomorrow Link to comment Share on other sites More sharing options...
TorAtle Posted June 29, 2008 Share Posted June 29, 2008 Out of curiosity, is it possible to mount the sensor on the gearbox?? Link to comment Share on other sites More sharing options...
TopQ1967 Posted June 29, 2008 Share Posted June 29, 2008 It is best to mount the sensor to a non driven wheel. This because of slip. It is however possible to set the amount of slip on the Stack dash. I will mount sensors on al 4 wheels because I need them for my traction control (other discussion) Rehards Q. Link to comment Share on other sites More sharing options...
chrisb Posted June 30, 2008 Share Posted June 30, 2008 I made a nice nylon mount for my speed sensor. It sits on the cross member in front of the rear diff and counts the propshaft bolts. My calculations got the speed reasonable, but fine tuned it using a GPS speedo. I do have to remember that the indicated speed doesn't have the usual over-read when passing speed cameras etc. Not sure what the limit to counting propshaft bolts is, but during some high speed runs up at Elvington the speed sometimes gets a bit confused around an indicated 110 Link to comment Share on other sites More sharing options...
TorAtle Posted July 2, 2008 Share Posted July 2, 2008 A Z-shaped bracket mounted on the lower caliper mount worked well . The LED on the backside of the sensor was helpful, it lights up as soon as +12V and GND is connected (and metal is nearby - my sensor is a proximity switch, no need for a magnet). I didn't get a reading to start with but turned out I needed to change the sensor type to ABS. A little off-topic. Some of the sensors are not quite as steady as I would expect, in particular oil pressure and water temp. I use pull-up resistors in the 2-3Kohm range. Oil pressure is up'n'down all the time, while water temp suddenly drops 20 degrees and then recovers after a bit. Does anyone know how many mA each Vref can supply? Or are they all internally connected to the same output? Edited by - TorAtle on 2 Jul 2008 23:05:52 Link to comment Share on other sites More sharing options...
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