Battery Powered Lawn Mowers - All Junk - Why?

I read in sci.electronics.design that Frithiof Andreas Jensen
<frithiof.jensen@die_spammer_die.ericsson.com> wrote (in
<d4nu34$c2n$1@newstree.wise.edt.ericsson.se>) about 'Battery Powered
Lawn Mowers - All Junk - Why?', on Wed, 27 Apr 2005:

The Internal Combustion Engine is what makes the Male Teenager cut the
Lawn - The feeble whine of an electric mower is too Sissy and make him
feel like a shandy-swilling Poof.

Well, obviously that provides scope for a 'brrrmm-brrrmm' add-on for
electric mowers. Requires a 555, a 741, a PIC and a flashing LED. Must
run from a thermocouple supply; 1.2 V at 1 A.
--
Regards, John Woodgate, OOO - Own Opinions Only.
There are two sides to every question, except
'What is a Moebius strip?'
http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk

On Wed, 27 Apr 2005 05:46:14 +0100, the renowned Terry Pinnell
<terrypinDELETE@THESEdial.pipex.com> wrote:

Spehro Pefhany <speffSNIP@interlogDOTyou.knowwhat> wrote:

Briggs and Stratton 4.5 HP, on my third in 10 years.

I think I was overtaken by one of those on the M4 last week!

http://media2.big-boys.com/files/lawnfly.wmv


Best regards,
Spehro Pefhany
--
"it's the network..." "The Journey is the reward"
speff@interlog.com Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog Info for designers: http://www.speff.com

Nico Coesel wrote:

"Holophote" <h_markston@hotmail.com> wrote:
Are there any folks out here (on the
web, that is) that build there own
battery powered mowers? With lithium-
ion battery technology it should be
possible to build a powerful mower.

You know those hand mowers? My uncle once mounted a 380V 3 phase 1HP
motor on such a mower. He replaced one axle by one he made so the
rotating part could be driven by a V-belt.
Worked like a charm and not too heavy to handle.

I suppose you could do the same with a 12V or 24V motor and some
batteries. Be sure to mount an emergency stop on it.

Here's a picture of a battery+inverter+electric snowblower lashup:
http://www.billcotton.com/snowblower...0powerpack.jpg
In http://www.billcotton.com/standby_ac_home_power.htm
Cotton writes, "I tested the corded snow blower with the
inverter and battery in a plastic crate bolted to the snow
blower. I clean[ed] all of my driveway and walkways". In
http://www.billcotton.com/snow_blower.htm he has pictures
and brief comments about using a DC motor + smaller
batteries (12V 4AH and 7AH in series) vs. the 12V deep-cycle
marine battery he uses with the inverter.
-jiw

Spehro Pefhany <speffSNIP@interlogDOTyou.knowwhat> wrote:

On Wed, 27 Apr 2005 05:46:14 +0100, the renowned Terry Pinnell
terrypinDELETE@THESEdial.pipex.com> wrote:

Spehro Pefhany <speffSNIP@interlogDOTyou.knowwhat> wrote:

Briggs and Stratton 4.5 HP, on my third in 10 years.

I think I was overtaken by one of those on the M4 last week!

http://media2.big-boys.com/files/lawnfly.wmv

But isn't that the 5.5 HP model?

--
Terry Pinnell
Hobbyist, West Sussex, UK