Spring is here

[wonderpup]

and the weather warms up on this side of the world, which means: its time for the wisper to be back in the shop!

Since I bought it in Feburary I seem to have gone through a controller, and now, according to the mechanic, two sets of rear wheels/motors. I ride about 20-30 minutes a day, mostly up quite a steep incline, and I'm not the lightest (115kg). Is this just too much for the old dear?

This is the fourth time its been in the shop, on average 3 weeks at a time. Wisper NZ have been great at getting me the stuff I need, and the time delay is a factor of living at the wrong end of the country.

I'm just having a moan. I'm sure they will sort it out.

Anton

 

[Mussels]

What was wrong with the wheel/motor?

 

[flecc]

With a stiff climb each day and the total bike/rider weight, I'm guessing it was the nylon gears in the motors, plus controller burnouts through running continuously at maximum power/torque compromise point during the climbs.

That's a tough combination called for from what's meant as an assist motor.
.

 

[Wisper Bikes]

Hi Wonderpup

Sorry to gear you are experiencing problems.

I will pass the thread link to Anthony Clyde and he will be in touch, I do remember a similar problem in NZ. Do you use the bike to walk along side carrying heavy loads or was that someone else?

Do you tend to use the throttle only?

I look forward to hearing from you.

Best regards

David

 

[wonderpup]

Hi Wonderpup

Sorry to gear you are experiencing problems.

I will pass the thread link to Anthony Clyde and he will be in touch, I do remember a similar problem in NZ. Do you use the bike to walk along side carrying heavy loads or was that someone else?

Do you tend to use the throttle only?

I look forward to hearing from you.

Hi David: yeah, that was me

Early on I did use the throttle to help me push the bike, but no longer - especially as my fitness improved to the point I can ride up the hill in question. I've never carried loads on it (other than me!).

I don't use throttle only at all - in fact I'm close to just re-attaching the purple wire so I don't use it at all from standing starts.

I've emailed Anthony - he's good at keeping in touch.

Thanks for the response: I'm just having a moan - I'm sure they'll sort me out one way or another.

Anton.

 

[wonderpup]

With a stiff climb each day and the total bike/rider weight, I'm guessing it was the nylon gears in the motors, plus controller burnouts through running continuously at maximum power/torque compromise point during the climbs.

That's a tough combination called for from what's meant as an assist motor.
.

If the controller turns out to be the problem, would there be any way to 'detune' the controller so it wasn't working so hard?

Anton

 

[flecc]

Not sure Anton, but the fact that you haven't been using throttle only doesn't seem to support my guess. Probably best to let Anthony get involved now to investigate.

 

[wonderpup]

Not sure Anton, but the fact that you haven't been using throttle only doesn't seem to support my guess. Probably best to let Anthony get involved now to investigate.

I reckon so too. I do love the bike, and I really really hope that it will do the job I bought it to.

Anton