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Old 10-19-2020, 11:18 PM   #1 (permalink)
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Wood chip fuel.

Well I got a wood chipper. The smallest DR chipper shreader. It got a 208cc gasoline motor and chips up to 3 inch sticks.
To me anything bigger than about 1.5 inches is fire wood so it's plenty big enough.
I had an electric one but it kind of sucks.
Barely ever have to run it at full speed and a quart of gas will make a big pile of wood chips. Maybe hundreds of pounds.
All I do is put down an old tarp in front of the wood chipper discharge, put a pallet up to stop the biggest wood chips from flying over the tarp chip a bunch of tree branches and spread the wood chips out all over the tarp so they dry.

To burn them experiment number 1: Step 1 fill the coal furnace with dry wood chips to the top of the fire bricks. Step 2, wait for it to get cold. 3 set it on fire and observe what happens.
Experiment number 2: when there is a fire burning in the coal furnace shovel some wood chips in and observe what happens. Maybe rake all the coals towards the front and shovel wood chips into the back.

My hypothesis is that burning wood chips will be a lot like burning wood pellets. Shoveling them onto an already established fire results in a lot of smoke and a crazy hot fire that lasts maybe 20 minutes.
Wood pellets like to fall through the ash grate in the bottom so raking the coals forward and shoveling them in or filling the coal furnace with wood pellets to start was never an option. Wood chips are much larger than wood pellets and won't immediately try to all fall through the ash grate.

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1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.

Last edited by oil pan 4; 10-19-2020 at 11:28 PM..
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Old 10-20-2020, 08:16 AM   #2 (permalink)
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I thought you were going to build a wood gas or sterling range extender for your Leaf.
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Old 10-20-2020, 10:03 AM   #3 (permalink)
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I park the leaf in the garage, the coal furnace is also in the garage. Burning stuff in the coal furnace releases some heat into the garage and keeps the battery from getting frosty and extends the leafs range.
If I really wanted more range I would get a bigger battery
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Old 10-21-2020, 07:02 PM   #4 (permalink)
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I filled up an old dog food bag with dry wood chips off the top of the 2 oldest wood chip piles.
I'm going to say the low estimate is I can chip around 200lb of wood chips with 1 liter of gas on a dull blade.
With a sharp blade I can't even feed it fast enough.
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1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.

Last edited by oil pan 4; 10-21-2020 at 09:57 PM..
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Old 10-22-2020, 01:07 AM   #5 (permalink)
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Quote:
Originally Posted by jakobnev View Post
I thought you were going to build a wood gas or sterling range extender for your Leaf.
I also thought about a wood gas generator. Sterling might be cool but I won't hold my breath for any external-combustion engine to become viable again for automobile usage.
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Old 10-22-2020, 01:19 AM   #6 (permalink)
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My leaf is mostly powered by external combination power plants.
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1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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Old 10-22-2020, 01:22 AM   #7 (permalink)
It's all about Diesel
 
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My leaf is mostly powered by external combination power plants.
Coal?
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Old 10-22-2020, 01:27 AM   #8 (permalink)
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I would hope so. It's not like there's any shortage of coal.
But we are surrounded on all sides with wind farms.
So probably wind during the day and mostly coal at night.
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1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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Old 10-22-2020, 11:21 AM   #9 (permalink)
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What happens when you run the chips through the shredder again using a sharp blade? Do the chips get smaller? Pellets have a spec: the ones I use are 1/4" by no more than 1.5" long

They are mostly dust that has been wetted, binder added, then run through an extruder.
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Old 10-22-2020, 12:19 PM   #10 (permalink)
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90 day: 30.21 mpg (US)

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90 day: 26.43 mpg (US)

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Chips get bigger.
It's like a chainsaw. The duller the cutters get the more powder like the saw bits are.
Looks like I find out how they burn Sunday, it's supposed to get down to about 25 at night.

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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.

Last edited by oil pan 4; 10-22-2020 at 03:18 PM..
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