[Gasification] ...a question about hybrids

[Greg Manning]

 Greetings Mike, Harmon, and list.

 Mike I see your point, however, to tote all those batteries around will
pull your average down, BUT... that 900 watt generator would definitely act
like a "trickle charger" for sure... you now have my thoughts moving in this
direction, because where we live is mostly flatland, and this method of
gasifier use, would maximize the conditions for optimal configuration within
the gasifier...

 Since I already have a 57 Chevy 1-ton truck that is going "under the knife"
for conversion to gasifier, I am now seriously considering a small Wisconsin
2 cyl. (TJD) coupled to a 2-5Kw generator, with a small bank of batteries
and a traction motor in leau of the original gasoline 6 cyl.....

I do agree that the mean power factor is only needed on acceleration, and
once the vehicle is up to speed is only wind and rolling resistance, the
engine's maximum capacity is only there when you need to pull a load, or
up-hill.

You might have really stumbled across something here... (or you are really
smart... :)

 My gasification page: http://www.inetlink.ca/a31ford/cgcmb/

 Greg Manning,

 Brandon, Manitoba, Canada






-----Original Message-----
From: gasification-bounces at listserv.repp.org
[mailto:gasification-bounces at listserv.repp.org]On Behalf Of Michael
Redler
Sent: Sunday, June 11, 2006 6:38 PM
To: Gasification
Subject: Re: [Gasification] ...a question about hybrids


Hi Harmon,

  You wrote: "I don't know where you'd even get one that small"

  Ah..good. That was a guess. I was hoping that the typical size was above
that.

  Re: horsepower

  My question was related more toward work and average power. Since a
non-hybrid requires an engine capable of delivering loads for hill climbing
(for example) at any given moment, the engine needs to be a certain size,
irrespective of the average load.

  The same is true of the electric motor in a hybrid. However, because
energy is stored in batteries, the generator only has to match the average
power, allowing the shaft horsepower at the generator to be smaller. I
haven't done a lot of calculations for sizing the generator motor but, I'd
imagine it would be similar to the following example:

  This is what I've been speculating. A Honda Civic (for example) gets 40
mpg.

  Convert 40 miles per gallon to Km per Liter
  Determine Kw hours per Liter of gasoline and approximate thermal
efficiency of the IC engine (approximately 20/25%?).

  This can give you an approximation of work done per Km
  If one assumes that the average speed is 50 Km per hour, one can calculate
work done per hour or average power. You should then have the necessary
information to arrive at a number in Kw and select an engine size for your
generator.

  I'd bet it's smaller than the non-hybrid engine. In addition, the controls
for a gassifier and the rpm of the generator can run continuously at its
ideal running conditions. Of course, we would also need to consider your
comment about running that 100hp hybrid engine on producer gas.

  This post may be a little premature because I didn't crunch the numbers in
advance but, maybe I can get a little feedback, pointing me in the right
direction before I really get into it. Of course, if someone can show me
previous attempts at this calculation, it could save me some research time
and would be appreciated.

  Mike



Harmon Seaver <hseaver at gmail.com> wrote:
  On 6/11/06, Michael Redler wrote:
> Jeff's question (re: better yield) reminded me of another thread.
>
>
> If the yield from gassification is enough to effectively power a car with
variations in load/power, could the mileage of the same car be taken further
if the producer gas were feeding a Lister/Listeroid generator which fed a
bank of batteries?
>
> So, it would be a producer gas, electric hybrid using a trailer to carry
the gassifier and generator. I guess the next question would be...could you
match the average kW hours of a 100+ hp engine usually used in a car, with a
900 Watt Lister (for example)?
>
100hp = about 75kw so a 900 watt lister powered generator (I
don't know where you'd even get one that small) wouldn't even come
close. And don't forget that if you run that 100hp hybrid engine on
producer gas, it's only going to put out 50hp or so.



--
Harmon Seaver
Viva Chavez!
Viva Morales!
Viva Che!
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