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Author Topic: Position for Water Methanol Tank  (Read 1018 times)
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gidge348
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« on: November 01, 2017, 02:28:22 AM »

Hi I was hoping someone could help me, I plan on running 20% methanol 80% water injection on a stream liner.

Want to mount the tank under the seat just wondering if the 20% methanol is considered "Flammable" so will need a fire wall?

Cheers
Ian...
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RidgeRunner
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« Reply #1 on: November 01, 2017, 06:59:25 AM »

     Good question.  I'd remove all doubt about getting an unwanted answer at an unwanted time - tech inspection - by figuring out another location behind a firewall now.

     Coolant additives not normally flammable can become flammable under pressure, it has happened.

            Ed
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kiwi belly tank
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« Reply #2 on: November 01, 2017, 04:52:02 PM »

That should be behind a fire wall & just in case you don't realize, that will put you in fuel class.
  Sid.
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gidge348
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« Reply #3 on: November 02, 2017, 04:07:43 AM »

Cheers thanks guys, starting to run out of room and thought lying on a nice cool water tank would help keep me cool as well as being out of the way.... Oh well back to he drawing board. Should be ok with the class the engine is a gas turbine....
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kiwi belly tank
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« Reply #4 on: November 02, 2017, 09:10:16 AM »

What's the reason for injecting water into a turbine engine?
  Sid.
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gidge348
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« Reply #5 on: November 05, 2017, 03:21:40 AM »

Basically to keep turbine temps down, the engine I am using came from a helicopter designed to be used over the North Sea in -20 temps, not on a salt lake at 110 degrees.  smiley
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kiwi belly tank
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« Reply #6 on: November 05, 2017, 11:55:23 AM »

That's interesting, will you inject it in the intake or beside the fuel nozzles?
Will this be a 3/T class liner?
  Sid.
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gidge348
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« Reply #7 on: November 12, 2017, 04:42:42 AM »

Hi Sid, we will be ΩT2 class 500-1000 kg, engine and car are a bit heavy to get down to ΩT3.

We will be injecting straight in the front only when the temps demand it.

This is a little video of where we are at with it at the moment
 

Ian...
« Last Edit: November 12, 2017, 04:52:01 AM by gidge348 » Logged
manta22
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« Reply #8 on: November 12, 2017, 10:45:13 AM »

Ian;

Nice project! ... and with a Rolls-Royce engine, something we don't often see at Bonneville.  cheers

Regards, Neil  Tucson, AZ
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Regards, Neil  Tucson, AZ
kiwi belly tank
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« Reply #9 on: November 12, 2017, 11:56:36 AM »

Thanks for the video link Mate, you have a good looking build going there & that was the first clue to your Oz location. You can be anywhere with an accent just like I am but the true blue square tubing gives it away. Is the upside down quick change relative to engine rotation?
  Sid.
 
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gidge348
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« Reply #10 on: November 12, 2017, 07:36:49 PM »

Hi Sid & Neil, I have been loading a build diary on the Australian page if you are interested http://www.dlra.org.au/forum/viewtopic.php?f=18&t=2698&start=60
Unfortunately a lot of the images have gone west due to the Photo Bucket situation.

Yes the up side down is not just because I am in Australia... Smiley

In the build diary you will see I needed to chop up the turbine gearbox to get the power output in the right direction as well as the right rpm. The diff in that position means I can have an almost level drive shaft, but I needed a special reverse direction ring & pinion. The plumbing is mainly to keep the input shaft bearings cool since they are at the top now in air and not in the oil bath at the bottom.

Cheers Ian...

« Last Edit: November 12, 2017, 07:45:03 PM by gidge348 » Logged
dillardP
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« Reply #11 on: December 06, 2017, 12:23:44 AM »

This is so interesting Ian!
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