Wireless speedo???

Discussion in 'Spare Parts, Tools & Product Developement' started by Apachekid, Feb 24, 2010.

  1. Apachekid

    Apachekid Member

    Anybody know if a wireless bike speedometer will work on MAB or I gotta have a wired one? My idiot friend says no way (itd be the 1st time he's right about anything)
     

  2. professor

    professor Active Member

    I recall reading on the forum they are worse than wired ones and wired are difficult to get rid of the spark frequencies.
     
  3. Apachekid

    Apachekid Member

    Guess I'll keep running in front of my brother's car - save $20
     
  4. CAteye Works

    I use a cateye wireless cycle computer on mine and it works fine. Might depend on the ignition setup on your engine, but I've got the subaru Eh035 and it's mounted up front near the front fork and I still don't get any interference. Maybe I'm just lucky.
     
  5. Apachekid

    Apachekid Member

    Thanks Wiley. Cateye,eh? My ignition box mounted halfway don the down tube close to engine....still thinking about it
     
  6. ibdennyak

    ibdennyak Guest

    Not to confuse the issue.....just adding another experience. I use the Walmart variety on a rack mount. The wired work fine, but die from the moisture in about 500 miles. I tried two different wireless versions, and they wouldn't work reliably or at all.
     
  7. Well, I can't guarantee that the wireless version will work in other configurations and for other ignition systems, but it works fine for me and the sensor and computer are each within two feet of my engine.

    I also have a cateye wired unit on my road bike that I've owned since 2003 and it's been ridden in rain, snow, mud, etc. and it still works perfectly. I've also accidentally knocked the computer part off my handlebars twice while riding with no deleterious effects.
     
  8. Apachekid

    Apachekid Member

    That strada wireless looks good!..big numbers, looks like it should work..quality looks better than the **** on ebay Thanks for tip Wiley
     
  9. Apachekid: no problem. Here's a bit more info as well. There are digital and analog wireless sensors and, from what I've read the analog computers are cheaper but more susceptible to interference. Also, on that strada unit I linked to, it's very directional. If the computer is not more or less above the sensor, it won't read, so you can't put the sensor on the rear wheel, for instance. That might also be what allows it to work so near my engine. I even have a tach/hours meter wire running right past it on the bars, as well as my kill switch wire.
     
  10. Esteban

    Esteban Active Member

    I have used the Cateye wireless on my builds without any problems. One thing though,, I never use the cheaper Chinese engine kits, which I understand may interfere with their operation.
     
  11. Apachekid

    Apachekid Member

    wireless speedo

    yea Wiley, its got to be a digital computer and locate the computer in the middle of the handlebars as close to sensor as possible! That seems like about all you can do. I just got to break out the cash and try one. Friend of mine had one on his bike..worked fine until he popped the clutch, then went back to 0.That was 5 years ago. I was thinking maybe technoogy is better now
     
  12. Rab Ari Kohain

    Rab Ari Kohain New Member

    If you shield the plug wire and cap this will usually limit the electromagnetic field generated by the ignition,Look into the shielding used by paramotor users. I use gps spedo cell phone and radios while running,also a leaded shield between the frame and the cdi or even a wrap on the cdi though this is rarely needed and could cause heat buildup in the cdi unit if not vented properly. Shielded plug wires and caps are not that much more expensive than standards.
     
  13. Apachekid

    Apachekid Member

    Thanks Rab, I'll check it out..Still trying to find a simple speedo in my price range.Dont want the real cheapos they probably wont work anyway..still have to get the signal to the receiver from about,say 24inches.....
     
  14. Rab Ari Kohain

    Rab Ari Kohain New Member

    With the electromagnetic field created by the engine running shielded all of those problems withthe signal transmission interference will cease. Had the same problem with a number of small engine vehicles and this solution has always worked. On my paramotor the problem was so intense that no electronic device would work withen about 5 to 10 feet when it was running,after I put on the shielding even the super sensitive radios worked great, even when touching the engine while running.
     
  15. Apachekid

    Apachekid Member

    And, what is this shielding of which you speak, Rab?
     
  16. JTinFL

    JTinFL Member

    I would like to know where you get or how to make that shielding also.
     
  17. Apachekid

    Apachekid Member

    Hey JT.......go and get that cheap Schwinn wired speedo at Walmart for 10 bucks. Works perfect on my bike..tried 2 wireless speedos off ebay-didnt work, I sent em back...got up to 35.6 yesterday (with some wind)..forget about wireless, just run the stupid little wire and go...motorpsycho got it right!
     
  18. JTinFL

    JTinFL Member

    Speedo Mayhem

    Hello ApacheKid
    I have three Schwinn speedos from Walmart.One on Homelite friction drive,one on 48cc Grubee,one on 66cc Grubee.The one on 48 went wacky for a while then worked right for now.On 66 it still comes and goes.Tried rubber underground splicing tape on plug wire.Did'nt help but there's where the problem might be.I've seen on some sites they sell high performance plug wires that are gauranteed not to mess with your speedo.Is it possible the interference could be coming from through the magneto cover?I put a JBM Damp Prom kit on the 48cc.I have another kit for that maybe will try on 66cc and see if that works.
     
  19. Apachekid

    Apachekid Member

    Yeah, JT..Ive only had mine on for 2 days...You say on your 66Grubee it comes and goes? like speedo goes to 0.0? or you mean it reads erratic numbers? All I see to do is make sure the magnet is lined up with transmitter right on mark, no more than 1 mm. I dont think you can get interference out of magneto box intermittently..when I had those wireless ones on they just didnt read right at all, ever. Seems to me that if it works good once, it should keep working as long as magnet misalligns,..... but then what do I know? mine probably'll go out tomorrow!!!
     
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