Search found 14 matches

by rjws
Sun, 02 Sep 2012, 00:16
Forum: Scooters, mopeds and electric toys
Topic: Electric Trikes for Road Use
Replies: 13
Views: 4043

Electric Trikes for Road Use

I thought the motor power limit was 200 W, Australia-wide? Is WA different in this regard? How easy would it be to just put any sticker on an unmarked Chinese motor, though!? LOL http://forums.aeva.asn.au/smileys/smiley36.gif Where did you source your info originally, please? I'd like to follow that...
by rjws
Wed, 29 Aug 2012, 01:31
Forum: Scooters, mopeds and electric toys
Topic: Electric Trikes for Road Use
Replies: 13
Views: 4043

Electric Trikes for Road Use

Since my last post I have experimented with my Chinese trikes and re-discovered some previously held knowledge about electric motors ... namely you may operate them at whatever voltage suits you with the following provisos. 1. NEVER let the motor temperature exceed the melting point of the wire insu...
by rjws
Thu, 12 Apr 2012, 06:12
Forum: General EV Discussion
Topic: Inverter for Pool Pump
Replies: 22
Views: 6011

Inverter for Pool Pump

A 'Modified Sine wave" (read 'Pulse wave' or more correctly, 'modified square wave') inverter will make your motor run about seven to ten percent hotter than it otherwise might do. http://forums.aeva.asn.au/smileys/smiley18.gif    This will impact on its life-span a little, but since it cost nothing...
by rjws
Mon, 08 Aug 2011, 17:40
Forum: Scooters, mopeds and electric toys
Topic: Electric Trikes for Road Use
Replies: 13
Views: 4043

Electric Trikes for Road Use

Thanks Faz ... I just KNEW there would be something...it was too good to be true !
by rjws
Mon, 08 Aug 2011, 17:39
Forum: Scooters, mopeds and electric toys
Topic: Electric Trikes for Road Use
Replies: 13
Views: 4043

Electric Trikes for Road Use

The ingenuity of people continues to amaze me !!   I would never have thought to use an alternator like that.
by rjws
Thu, 14 Jul 2011, 01:02
Forum: General EV Discussion
Topic: PAPER Battery
Replies: 2
Views: 793

PAPER Battery



www.gizmag.com/paper-battery-nanotechnology/13537/

Have a look at this ... a carbon nanotube ink you can paint on paper to form a battery.

"Hang on, Dear .... I'm just printing out some new batteries for the trip!"

rjws
by rjws
Tue, 05 Jul 2011, 16:46
Forum: General EV Discussion
Topic: Electric Vehicle Definition
Replies: 3
Views: 692

Electric Vehicle Definition

I agree with the bounding along, Richo. I've been looking at how you might change the gait but it wouldn't be that easy with Theo's mechanism, however, Klann's mechanism (Spider) might be simpler to modify for that method of locomotion.
Regards....
by rjws
Mon, 04 Jul 2011, 02:53
Forum: General EV Discussion
Topic: Electric Vehicle Definition
Replies: 3
Views: 692

Electric Vehicle Definition

What defines an 'Electric Vehicle' ? Is it merely a mechanism to carry people that is powered by electricity? Or should it also have wheels? Can a vehicle without wheels be registered for the road or be defined as an 'electric vehicle'? I am debating (especially with the 'Financial Controller' in ou...
by rjws
Mon, 04 Jul 2011, 02:38
Forum: Scooters, mopeds and electric toys
Topic: Electric Trikes for Road Use
Replies: 13
Views: 4043

Electric Trikes for Road Use

Thanks for those tips, Woody ! I've looked into them and I'm considering the options. I have been involved, off and on, with a motor-bike dealership (old family friend) and a well known Swan Valley electric vehicle entrepreneur to try and modify a 50cc motor scooter for electric operation. In the co...
by rjws
Tue, 28 Jun 2011, 23:44
Forum: Technical and conversion discussion
Topic: Make your mark on Australia.
Replies: 63
Views: 18515

Make your mark on Australia.

Your Name            RJWS Vehicles Name        You Bastard Country              Australia State               W.A. Postcode             6558 Vehicle Details      Electric Trike (Originally a "Yu Feng" cleaners cart)                      Currently installing two new controllers to give me both Regen ...
by rjws
Sun, 19 Jun 2011, 17:05
Forum: EV Racing
Topic: Burnouts in an electric drag car
Replies: 25
Views: 3824

Burnouts in an electric drag car

If you have an electronic controller, you might use a simple, outboard, electronic circuit with a couple of cheap op amps to modify the 0 to 5volt output of the throttle pot/hall effect sensor so as to allow any one of a number of selectable ramp times. The modifying voltage would be the RPM output ...
by rjws
Fri, 17 Jun 2011, 17:33
Forum: Scooters, mopeds and electric toys
Topic: Electric Trikes for Road Use
Replies: 13
Views: 4043

Electric Trikes for Road Use

Has anyone here done anything with electric trikes registerable for road use? I'm retired and live in the Perth Hills area. That last sentence puts my problems up front. I don't want to pedal the thing and you need considerable power to get up some of the hills out here. I have purchased two "Yu Fen...
by rjws
Thu, 16 Jun 2011, 01:54
Forum: Scooters, mopeds and electric toys
Topic: Ebike Power limits, proposed legislation
Replies: 73
Views: 12833

Ebike Power limits, proposed legislation

I agree with Gow864 ! I, too, live in a hilly area east of Perth AND I'm no longer in the 'first bloom of youth'. I think a speed limit would be much more appropriate; say, 50 kph in towns and built up areas and maybe 70 kph outside built up areas. That way the purists can pedal if they like and us ...
by rjws
Thu, 16 Jun 2011, 01:40
Forum: Scooters, mopeds and electric toys
Topic: What limits an E-bike power?
Replies: 12
Views: 4151

What limits an E-bike power?

"What limits motor Power"? The answer to that, as for most things electronic/electrical, is heat. You can up the voltage to the point just below where the insulation starts to melt and the motor will run, but it gets hotter the more load (= more current) you put on it until something melts or burns ...