I can vouch for the Lynch motor as I use one on my ride on mower.Using three
90Ah 12v Pb cells it easily cuts for 20 minutes or more at time.
A brilliantly simple but powerful design and I have even met the guy who
designed it.
From: Lee Hart via EV <[email protected]>
To: Lawrence Rhodes <[email protected]>; Electric Vehicle Discussion
List <[email protected]>
Sent: Sunday, 28 May 2017, 20:09
Subject: Re: [EVDL] Most efficient drive system for a bicycle/tricycle.
Lawrence Rhodes via EV wrote:
> I'm looking at options for my Terratrike. Mid vs hub seems to be the thing.
> Seems bike systems are only 80% efficient. Has any one had good success with
> efficiency as well as speed. I'm looking to top out at 30mph with a 20 inch
> wheel. Is voltage an issue? I'd like to keep it to 48vdc but I'm willing to
> go higher or lower if it is an advantage(money or performance). I will
> eventually have a shell with solar panels...
Maybe a Lynch motor (Lynch, Lemco, Etek, AGNI, etc.)? They are over 90%
efficient, and being a DC motor, can be switched straight to the battery for no
controller losses. Rig a series/parallel setup with switches or relays to get
12v/24v/48v for speed control; that's also essentially 100% efficient.
--
Any intelligent fool can make things bigger, more complex, and more
violent. It takes a touch of genius, and a lot of courage, to move
in the opposite direction. -- Albert Einstein
--
Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com
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