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Ways to cool down motor and controller


Oded
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My son (13 years old) is Using the Oset 24 mostly for enduro.

Bike's motor & controller are getting very warm, and go into limp mode. Can happen after 15 minutes of riding.

Added a computer fan to cool the controller, but it's not very useful. 

Any suggestions? Motor is sizzling hot and so is the controller. Heat sink? Cold packs? 

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Sounds like its not really suitable for Enduro, 

Average speed will be higher than trials, plus distance traveled would normally be longer as well I would have thought.

I know I am old fashioned, but electric bikes still have a lot more work needed to be better than a petrol bike

I think even the electric race at the Isle of Man TT is still only 1 lap, and those bikes have had a fortune spent on them

The trick is to cool the electrics without using any battery power as that will just shorten the range- if you can invent something Tesla will give you millions

good luck

 

 

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On 11/5/2021 at 9:36 AM, djr said:

I know I am old fashioned, but electric bikes still have a lot more work needed to be better than a petrol bike

Yes, you're definitely old-fashioned. Try the latest generation (2020 onwards) Electric Motion. For my purposes, the EM is most definitely better than a petrol bike.

Having said that, I do think Oset are getting left behind. They've really missed a trick when you consider that they were the market leaders in electric bikes. But they grew out of providing back-garden toys for kids and they haven't quite cottoned on to the adult market. Sur-Ron are getting rave reviews from people who have ridden them, so I think they might well gat the jump on Oset when they get into the UK market.

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6 hours ago, trapezeartist said:

Yes, you're definitely old-fashioned. Try the latest generation (2020 onwards) Electric Motion. For my purposes, the EM is most definitely better than a petrol bike.

Having said that, I do think Oset are getting left behind. They've really missed a trick when you consider that they were the market leaders in electric bikes. But they grew out of providing back-garden toys for kids and they haven't quite cottoned on to the adult market. Sur-Ron are getting rave reviews from people who have ridden them, so I think they might well gat the jump on Oset when they get into the UK market.

Okay, so how would an electric bike do in the International Six Day Enduro ?

( I suppose you could  ask for a rule change - permission for much longer stops for the hours needed for recharging compared to minutes to refuel, that sort of thing

or perhaps change batteries , but decent batteries cost £thousands compared to a petrol can + some fuel at say £20 )

As I mentioned , the very expensive, cutting edge electric prototypes only do one lap at the  Isle of Man, ( presumably to avoid overheating / flat battery etc. )

No thanks , I haven't seen an electric bike yet that i would want to own

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On 11/6/2021 at 7:17 PM, djr said:

Okay, so how would an electric bike do in the International Six Day Enduro ?

( I suppose you could  ask for a rule change - permission for much longer stops for the hours needed for recharging compared to minutes to refuel, that sort of thing

or perhaps change batteries , but decent batteries cost £thousands compared to a petrol can + some fuel at say £20 )

As I mentioned , the very expensive, cutting edge electric prototypes only do one lap at the  Isle of Man, ( presumably to avoid overheating / flat battery etc. )

No thanks , I haven't seen an electric bike yet that i would want to own

This is a trials forum, so I am commenting about electric trials bikes. The ISDE is a totally different type of event, though if you can afford to do it you can probably afford a couple of spare batteries.

Electric Motion claim 3-4 hours for the ePure. I think that's conservative. I did a club trial at the weekend with four fairly long laps. It took me a total of 3 hours 40 minutes so that might be 3 hours of riding. I finished with the battery still on 62%. Each to their own, but the electric trials bike is ideal for me.

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