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DC Motor / Re: Smaller motors in smaller appications?
« Last post by Barry Badenhorst on November 06, 2018, 12:57:44 PM »
Hi,
Contact us on marbad.b@gmail.com
Regards,
Barry.
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DC Motor / Smaller motors in smaller appications?
« Last post by Mountainman on November 05, 2018, 03:44:19 PM »
Hi
I bought an old Gutbrod mini-tractor with the idea to restore it for use on a smallholding. However, the engine is virtually scrap metal and parts are simply impossible to find, so I bought a bigger tractor to use. This is after I bought the new front and rear tyres, seat and other parts.
So to avoid losing the total investment made so far, I hit the idea of converting it to electrical. I played around with electric car ideas before and have a fibreglass complete body for a car but no chassis, and the logistics of registering it is daunting.
However, the tractor will never have to be registered, power needs is low (no hydraulics, air cooled, no three point lifts and a PTO that runs off the gearbox.)  That means if I manage to remove the engine (currently about 9hp lawnmower-type) and bolt an electric motor to the gearbox, connected to the input shaft, I should retain all the functions it had before. It should have enough space above the motor for about three or four lead acid batteries.
Any ideas on this build will be appreciated.

My question to the people on here is : 36V or 48V, and what size motor (wattage) would you go for. It would just be a runaround on the smallholding and towing a small trailer around.  Since this is "playing" i would also like to keep the spend as low as possible.
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EV Registration / Re: Ev converted motorcycle registration?
« Last post by Barry Badenhorst on August 22, 2018, 12:57:08 PM »
If you buy a secondhand bike, you have to take it trough the road test in order to have it registered in your name. Once you are the registered owner and are paying the licence yearly, you can modify it. Usually people change the engine, in your case you also do that, the engine only happens to be an electric motor and the petrol tank is changed to a battery, much safer! If you need further assistance, contact us on marbad.b@gmail.com
Regards.
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EV Registration / Re: Ev converted motorcycle registration?
« Last post by Umbra on August 21, 2018, 01:55:18 PM »
If the motorcycle was a registered vehicle before the conversion, it can be re-registered by following the normal engine-change procedure. "Register a modified vehicle" https://www.gov.za/services/register-motor-vehicle/register-motor-vehicle

Thank you for the answer!

Even if it was converted to an ev from ice? That really gets my hopes up.... but what if it is a bike I just got (secondhand)? I want to know this stuff before I go buy it... but this makes me really hopeful...
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EV Registration / Re: Ev converted motorcycle registration?
« Last post by Barry Badenhorst on August 21, 2018, 10:21:11 AM »
If the motorcycle was a registered vehicle before the conversion, it can be re-registered by following the normal engine-change procedure. "Register a modified vehicle" https://www.gov.za/services/register-motor-vehicle/register-motor-vehicle
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EV Registration / Ev converted motorcycle registration?
« Last post by Umbra on August 20, 2018, 11:45:08 PM »
Is it possible to register a motorcycle that was converted to electric?
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DC Motor / Re: DC Motors in SA
« Last post by Alf on May 24, 2018, 02:19:01 PM »
I'm thinking about a motorcycle EV build. I've looked at the stuff from Thunderstruck but was hoping I could find some second hand DC motors in South Africa.
Where should I go looking ?  I can't seem to find anything online. Thanks!

Golden motors have an interesting 15kW BDLC motor offer that would be great for a electric motorcycle,
https://www.goldenmotor.com/frame-bldcmotor.htm
 and the following company in Montague Gardens Cape Town (who import and sell their bicycle hub motor range) told me they could import a unit if someone was interested.
http://www.croozers.co.za/

PS I own a Zero DS .... LOTS of problems with the electrics and battery :-(
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DC Motor / Re: DC Motors in SA
« Last post by Barry Badenhorst on April 25, 2018, 12:55:30 PM »
There is very little interest in EV conversions by the South African Public. Therefore there is virtually no market for selling conversion kits or components such as motors etc. in the RSA and as a result, no business opportunity to do so. At this stage kits/components can only be imported at very high cost. From overseas, a good buy for a general purpose ev motor is this one. (https://kostov-motors.com/ev-motors/mtr-00332/). Locally you could perhaps consider a used forklift motor. A 10 kW 48 volt motor working from a 96V battery will work well for most EVs. Used forklift motors are available from Du Plessis Projekte, 1011 Van der Hoff Road, Claremont, telephone 082 414 6823 or 012 379 2287, email: dpprojects@lantic.net
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DC Motor / Re: DC Motors in SA
« Last post by tk512 on April 24, 2018, 09:25:34 PM »
I'm thinking about a motorcycle EV build. I've looked at the stuff from Thunderstruck but was hoping I could find some second hand DC motors in South Africa.
Where should I go looking ?  I can't seem to find anything online. Thanks!
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EV Registration / Re: Anyone doing Motorcycle conversions?
« Last post by tk512 on April 24, 2018, 09:23:59 PM »
I'd be interested in finding out what components you used.  Also looking to build an EV conversion of a motorcycle, something like a KDX200.
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