MAC beach cruiser, through the eyes of a n00b

[newb]

good for you and since its working again certainly couldn't hurt to force some grease into the clutch, though its a bit of a pain. even a couple drop of mineral oil is better than nothing.

what about adding a 3 spd switch until to find an answer that doesn't require your involvement? also, wouldn't the break cutoff switch effectively eliminate the ramp down?

[nonlineartom]

I use a 3 speed switch, it helps a little but you still get that initial lurch, the 3 speed switch changes the top speed but not the acceleration. Brake cut off would over ride the ramp down on the throttle but my brake cut off lever broke so I'm not using one at the moment. Plus it still is pretty dangerous to have power at all when you let go of the throttle.

[newb]

i was thinking if you had position 1 set to something like 30% but you're absolutely right you are still getting that initial lurch. but i might be able to help with the other problem. i received couple extra brake lever sets from Mark H when i bought all those motors, 1's yours if you pay the shipping. probably cost you something like $10 for priority if i can send them as a letter.

[nonlineartom]

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[French]

Very interesting. My wife's MAC freewheels just fine, but it is binding a little bit to where if you let off the throttle, there is a fairly loud winding noise and it slows down fairly rapidly. It doesn't seem to be affecting mileage very much, and sometimes it will actually go away and work just fine. I need to open it up again and inspect a little more.

We have the 8T motors and I'd really like the 10T motors for the hills and off-the-line torque (I really don't need to be going 31mph on a bike, too). However, I am concerned about exactly your issue, and that is durability of the clutch after many hard launches (although, I usually pedal a little bit off the line, and then hit the throttle). Maybe just get in the habit of switching to speed setting 1 for launches? You may want to consider re-programming your controller to reduces the speed settings. Default is 50% / 75% / 100%. Maybe do something like 30-40% for Speed 1? Just an idea as that will definitely add some life to the motor.

Edit: Just realized that newb already suggested the 30% idea. I have mine currently set to 42% / 61% / 100%, and Speed 1 definitely launches softer. I'm sure 30% would be very mild.

[nonlineartom]

The 3 speed doesn't change the initial amp spike and therefor load on the clutch and gears. It does change the throttle resolution so x amount of degrees rotation equals a overall lower speed but still. I've got a few 8T motors but I have yet to try them out, got a 6T as well. I do think the 10T is a perfect motor though, as you say you don't want to be going 30mph on an bicycle really, there isn't a bit of road big enough for me to get up to that speed anyway on my commute, better to put that power into torque rather than top speed.