My application to be part of the M.E.N.S club( 2kW Big MAC )

Discussions related to motors other than hub motors.
This includes R/C motors, botttom bracket, roller and geared drives.

Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby nechaus » Fri May 25, 2012 9:22 pm

I think you should just get an Agni..
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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby neptronix » Sat May 26, 2012 1:45 pm

Okay, looks like i am getting the two motors today.
But due to personal issues, i won't be able to test them for a month.

I think it is bogus to leave you all on a cliffhanger, so... is there anyone in the USA who is able to do some tests on one of these motors, IE measure the RPM at different voltages, hook it up to a bike, see what it can handle, etc?

If so, i can sell it to you at cost.
ES facebook group: http://facebook.com/#!/home.php?sk=group_125035107565566&ap=1

The all-arounder: 8T MAC motor on a Trek 4500.
The girlfriend bike: 350W front MAC on a 700c Trek.
The wheelie machine: 20" Rear Magic Pie II on a Trek 4300 MTB
The Bus: ??? on a 'da bomb' cargo bike frame

Pro-tips for noobs: Avoid BMS Battery like the plague | Charge RC Lipos to 4.15v, stop discharging at 3.5-3.6v | Use torque plates/arms! | Rear mounted hubs are always best
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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby Tench » Sat May 26, 2012 3:57 pm

Nep, how much would it cost to send one to me in the uk? if it is not to extortionate i would be interested in having one to test.
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Project one viewtopic.php?f=28&t=20304&hilit=tench

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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby neptronix » Sat May 26, 2012 6:52 pm



The eagle has landed.
ES facebook group: http://facebook.com/#!/home.php?sk=group_125035107565566&ap=1

The all-arounder: 8T MAC motor on a Trek 4500.
The girlfriend bike: 350W front MAC on a 700c Trek.
The wheelie machine: 20" Rear Magic Pie II on a Trek 4300 MTB
The Bus: ??? on a 'da bomb' cargo bike frame

Pro-tips for noobs: Avoid BMS Battery like the plague | Charge RC Lipos to 4.15v, stop discharging at 3.5-3.6v | Use torque plates/arms! | Rear mounted hubs are always best
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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby John in CR » Sat May 26, 2012 8:57 pm

Damn Nep, I didn't realize you were that young. :lol:
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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby neptronix » Sun May 27, 2012 1:30 am

Tench, would probably cost half of what i paid per motor ( plus china shipping ) or more!

If this motor works out, you would be able to get one shipped direct to you from China at a good rate :)

Anyway looks like it has standard colored phases ( blue, yellow, green ) and a hall sensor connector just like what comes on our bikes, but the colors on the hall sensors are very different so i'm a little nervosa about firing it up and sending voltage to the halls the wrong way. Gonna bug cell man first, haha. :)
ES facebook group: http://facebook.com/#!/home.php?sk=group_125035107565566&ap=1

The all-arounder: 8T MAC motor on a Trek 4500.
The girlfriend bike: 350W front MAC on a 700c Trek.
The wheelie machine: 20" Rear Magic Pie II on a Trek 4300 MTB
The Bus: ??? on a 'da bomb' cargo bike frame

Pro-tips for noobs: Avoid BMS Battery like the plague | Charge RC Lipos to 4.15v, stop discharging at 3.5-3.6v | Use torque plates/arms! | Rear mounted hubs are always best
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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby neptronix » Sun May 27, 2012 2:37 am

ok, here is the 'motor tech' thread on this "2kw mac" motor:

http://endless-sphere.com/forums/viewtopic.php?f=30&t=40166
ES facebook group: http://facebook.com/#!/home.php?sk=group_125035107565566&ap=1

The all-arounder: 8T MAC motor on a Trek 4500.
The girlfriend bike: 350W front MAC on a 700c Trek.
The wheelie machine: 20" Rear Magic Pie II on a Trek 4300 MTB
The Bus: ??? on a 'da bomb' cargo bike frame

Pro-tips for noobs: Avoid BMS Battery like the plague | Charge RC Lipos to 4.15v, stop discharging at 3.5-3.6v | Use torque plates/arms! | Rear mounted hubs are always best
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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby neptronix » Wed May 30, 2012 8:36 pm

Allright, so i ordered the motenergy 0421. I am aiming to become vice president of the m.e.n.s club.

I've still been poking at a good way to drive the rear wheel. Disc brake seems to be the best way to do it, but these bike hubs seem rather weak.. can they really handle 10 horsepower or above? O_O

What's stronger?
ES facebook group: http://facebook.com/#!/home.php?sk=group_125035107565566&ap=1

The all-arounder: 8T MAC motor on a Trek 4500.
The girlfriend bike: 350W front MAC on a 700c Trek.
The wheelie machine: 20" Rear Magic Pie II on a Trek 4300 MTB
The Bus: ??? on a 'da bomb' cargo bike frame

Pro-tips for noobs: Avoid BMS Battery like the plague | Charge RC Lipos to 4.15v, stop discharging at 3.5-3.6v | Use torque plates/arms! | Rear mounted hubs are always best
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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby thepronghorn » Wed May 30, 2012 9:34 pm

Think of what a bike's disc brake mounts are meant to do. They attach to a brake disc that will be used to stop the bike from high speeds in a short time. Chances are that your motor's torque will not exceed that of the brake when it is being used at full potential.
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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby neptronix » Fri Jun 01, 2012 12:18 am

thepronghorn wrote:Think of what a bike's disc brake mounts are meant to do. They attach to a brake disc that will be used to stop the bike from high speeds in a short time. Chances are that your motor's torque will not exceed that of the brake when it is being used at full potential.


We'll see i guess.. if they can hold up to 20-30 horsepower. If not, i will have to start getting into motorcycle componentry i suppose.
ES facebook group: http://facebook.com/#!/home.php?sk=group_125035107565566&ap=1

The all-arounder: 8T MAC motor on a Trek 4500.
The girlfriend bike: 350W front MAC on a 700c Trek.
The wheelie machine: 20" Rear Magic Pie II on a Trek 4300 MTB
The Bus: ??? on a 'da bomb' cargo bike frame

Pro-tips for noobs: Avoid BMS Battery like the plague | Charge RC Lipos to 4.15v, stop discharging at 3.5-3.6v | Use torque plates/arms! | Rear mounted hubs are always best
User avatar
neptronix
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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby rkosiorek » Tue Jul 03, 2012 1:48 pm

nechaus wrote:I think you should just get an Agni..


Ypedal has a KMX with a dinky little 5302 or 5304 in it. he also has an Agni 95 and a whoop-ass controller lying around gathering dust. i always figured he should put that agni into the KMX, But he claims the KMX frame is not stiff enough. i figure he's just chicken.

whoops, there i go name calling one of the admins behind his back. sorry Gaston, but it had to be said.

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Re: My application to be part of the M.E.N.S club( 2kW Big M

Postby neptronix » Tue Jul 03, 2012 7:29 pm

LOL.. i won't quote you on that one..

I personally found the KMX to be on the flimsy / flexy side though.
FFR trikes has put together a MARS/ETEK bike on a KMX chassis though, so, yeah.
ES facebook group: http://facebook.com/#!/home.php?sk=group_125035107565566&ap=1

The all-arounder: 8T MAC motor on a Trek 4500.
The girlfriend bike: 350W front MAC on a 700c Trek.
The wheelie machine: 20" Rear Magic Pie II on a Trek 4300 MTB
The Bus: ??? on a 'da bomb' cargo bike frame

Pro-tips for noobs: Avoid BMS Battery like the plague | Charge RC Lipos to 4.15v, stop discharging at 3.5-3.6v | Use torque plates/arms! | Rear mounted hubs are always best
User avatar
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