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SG-W:/ Fw: [SustainableCommunity] Re: Trees for oil



This post contains enough information to be a useful reference if correct.
It reinforces the value of trees as fuel, and loss of farmland as being
serious. I think this man means methanol rather than menthol.Methanol may
well be the most used tractor fuel because you can make it from wood.

                                 Kermit Schlansker
-----Original Message-----
From: useravav <useravav@yahoo.com>
To: SustainableCommunity@yahoogroups.com
<SustainableCommunity@yahoogroups.com>
Date: Monday, January 14, 2002 1:22 PM
Subject: [SustainableCommunity] Re: Trees for oil


>Oil producing crops
>
>Plant                    kg oil/hectare
>
>Olive                        1019
>Rape                         1000
>Safflower                     655
>Sesame                        585
>Pecans                       1505
>
>Avocado                      2217
>Oil palm                     5000
>Jatropha                     1590
>
>The crop used would depend on the location where they are grown; if I
>were in Hawaii I would grow oil palm.
>Since I live in southern cal I probably would use avocado and Pecans.
>
>If an unmodified diesel engine were warmed up first on bio-diesel and
>then switched to any oil that was first heated to 200 degrees
>Fahrenheit it would have similar power and efficiency as diesel fuel.
>
>A think small diesel engine burning vegetable oil would be a better
>choice then spark fired engines burning menthol because of its
>efficiency; and an engine that would run on straight menthol would
>need extensive modifications like a compression ratio of 13 to 1.
>
>Though we would need to make menthol for the production of bio-diesel.
>
>george
>
>
>
>
>
>--- In SustainableCommunity@y..., "j. gann" <jmygann@y...> wrote:
>> For oil, olive would seem to be the best tree ,in my
>> opinion. Followed by  annuals such as - rape,
>> safflower, or sesame. Extracting oil from pecans would
>> be very difficult on a village scale. Oil is very
>> important in deciding how to grow your food.
>>
>>
>> --- Robert Waldrop <rmwj@s...> wrote:
>> > Regarding tree crops, they can also be a useful
>> > source of biofuels, in
>> > the form of nut oils that can be converted to
>> > biodiesel.  About the
>> > best temperate zone tree crop for this is pecans,
>> > which can yield a
>> > little less than 200 gallons/acre of oil, plus the
>> > pecan residue from
>> > pressing the oils, which of course would be edible
>> > by either people or
>> > livestock.
>> >
>> > Robert Waldrop, Oklahoma City
>> > http://www.bettertimesinfo.org access to
>> > sustainable, simple, and
>> > frugal living resources
>> >
>> >
>> >
>> > -----Original Message-----
>> > From: Margaret & Hank Burroughs
>> > <w.burroughs@v...>
>> > > Trees should be an important part of our food
>> > supply.  Before we can
>> > decide
>> > >on how many we need, we will need to get a handle
>> > on the number of
>> > people we
>> > >want to feed.  Also wood for biofuel, gasification
>> > or direct heat
>> > could be
>> > >grown using non- food trees that help provide the
>> > shade, windbreak,
>> > and
>> > >beauty year round
>> >
>> >
>> >
>> >
>>
>>
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