GoldenMotor.com Forum

 
    Hello , I have been riding this bike allmost every day for years .. I have lost track of how long I have had this MP5 .. Just a couple of questions about possible maintainece . I have noticed the spokes have been corroding a little .. I keep it inside it only gets wet if I get caught in the rain .. (seldom) .. I was going to wipe them off with a scotch bright pad and use a rust converter on them (ospho) .. Just wanted to check if that's OK or maybe I shouldn't do it (ospho) .. are the spokes galvinized ?
      The other thing is the screws around the controler cover .. looks like rust on them .. hate for them to get stuck .. Would it be OK to remove them 1 at a time and clean off the rust .. Would you use a anti seize or a locktight when putting them back ? And lastly .. Would it hurt or help anything to run a air blower in the dust cover .. maybe blow out 2-3 years of dust ? Just use low ..30 pounds air pressure ??
       Thanks for any help I can get . This thing is maybe the best purchace I have ever made .. Here's a couple of pictures .. Hope they go thru ..

   
  Thanks Alan ...
     
      I have the Grin one that bolts directly to the fender threaded part ... I read where you said (I think) that those don't spread out the torque as well as the ones with the long arms and hose clamps ..
      I dug this extra arm out from and older torque arm and added it to the Grin one I'm using ... Now it's attached in 2 places ..
      I also made "witness marks" so I can see if it moves easily .. It's been way over a year since I've tightened it up .. Saw the new Grin one 65 or  85 bucks I forget .. Don't think I need it that bad ..
        The Lug Nut Idea is Interesting .. Like to hear more about that ..
     Here's a Picture of what I've done .. If it goes thru ... Thanks Again for all your help ... Don ..

 
     Hello , Seems like forever since I have even had anything to ask about .. The 1000 watt Magic Pie Front motor has been working perfectly .. Finally after I don't know how long 1-2 years .. I noticed little clunk sometimes when I braked or gave it some power ..  Sure enough the Right side axle nut had backed off a little .. I had it double nutted and marked so I could see if it moved ...
      I retightened it for sure over the torque spec but being careful as the threads on the motor shaft don't go all the way around "weak?" .. So I double nutted it again .. used some locktite this time ..
     I am using a Grin Tech Torque Arm .. 1 on each side .. Has anything better than them come out ? One of them seemed to fit the axle better than the other .. I wish there was a "file to fit version" .. Anyhow probally worried about nothing .. I ride this bike at least an Hour allmost every day ... Thanks for you Time and help ..

Thanks Alan for your help. It is  running great now

Hi Alan, Thanks for taking the time to write such a detailed response!

I was successful in connecting the programming cable. I simply had to select COM16, in the drop-down menu next to the "Connect" button. Thanks for the tip.

Unfortunately I was unable to get the screen working, it powers on and shows "error 9", the three button controls for it allow me to change PAS mode, but nothing useful is displayed when the motor spins. I'm not sure if this means I have an incompatible screen or what the issue is. The previous owner never installed the motor on a bike but may have bench tested it. The screen does look like it has been used, but the motor is still mint.

My battery is 14s, but I charge it up with a 13s charger to approximately 54.6V. Sorry, I should have been clearer about that in my original post.

I've been able to increase the battery current setting from 25 to 30A
Max Power is now about 1500W as measured by my battery B.M.S. I'm pretty happy with the motor performance and it has reasonably good torque at low speed. I've left Max Phase Current at 70A (maximum allowed setting).

Over Voltage Protection - Reduced from 62 to 61V. I was unable to set this below 61 for some reason? It's a little weird this cannot be set below 61V, but maybe not a big deal as my B.M.S should cut out at around 58V anyway

I see no settings for Motor or Controller Temperature protection. Do you know if this motor/controller will overheat or is there inbuilt temperature protection? I intend on going up some very big hills!

Max Forward Speed, default setting is 380rpm, the software does not let me upload any changes to this setting?

Regen was a little abrupt, and I was able to adjust it by reducing EBS Phase current from 70 to 60A. Default regen returns up to 1200W to the battery when braking. I'm unsure if this rate of charge is sensible in the long run for my 8p14s battery made of 18650 cells.

I reduced "Decel Level 1 (rpm)" from 65 to 20 but I could not say for sure if this changed anything. Do you know what this setting does?