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LPG / forklift gas
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dodewalker
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PostPosted: Sun Jul 26, 2009 6:19 pm    Post subject: Reply with quote

As a tow car, i have and ex RPI engineering demonstrator.
a 110 van with 4.6 v8 automatic, stage 3 auto, built to run only on gas. (no petrol starting.)
the timing is advanced by 18 degrees.

i get 2.5 miles to the litre solo, but 3 miles to the litre while towng.(slower)
thats 4.56 lts x 3 miles = 13.5 miles for £2.20, 27 mpg compared to petrol price.
my engine runs quite cool, the electric fan comes on very early, and stays on for 5 mins, when i stop.

what i find is, i get a better MPG in the cooler weather, but sometimes in the warmer weather, its outside atmospheric pressure that makes a difference to how smooth the engine runs. & how windy it is can make a difference. i have a webber 500 with pan filter & RPI mixer.
290 litre tanks take 230 lts of gas, thats over 650 range. george
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jon.g1
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Joined: 07 Nov 2007
Odometer: 753
Location: Taunton, Somerset, UK



PostPosted: Fri Nov 05, 2010 1:46 pm    Post subject: Reply with quote

I've been looking into the same thing, i found out that impco make a series of tank (search "forklift lpg tank" on google) they have the same features as a normal car tank, but with built in filler, various different types of quickrelease. i'm just waiting for the catalogue to download, but it looks from the pictures of the fill vavle that the float is designed to operate when the tank is filled in an upright possition. There not cheap but they have the safety of a car tank but are easily removable for filling by a standard pump in a petrol station
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jon.g1
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Joined: 07 Nov 2007
Odometer: 753
Location: Taunton, Somerset, UK



PostPosted: Fri Nov 05, 2010 1:50 pm    Post subject: Reply with quote

http://www.vanmeenen.com/LPG-autogas-Vlaanderen...zwm/products.html


Clicky link Smile[/url]

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Joined: 19 Jun 2002
Odometer: 40001
Location: Northern Ireland's Gold Coast


2009 Land Rover 110 CSW

PostPosted: Fri Nov 05, 2010 1:57 pm    Post subject: Reply with quote

My da used to run a Morris Minor on bottled gas way back in the day when no-one gave a stuff about H&S
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Bert the Defender 110 XS - because it's Cool (work it out yourself!)
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???? the V8 90 CSW
Suzuki DL1000 V-Strom - yes that's right, I have a Zook!
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Rossko
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Joined: 23 Jan 2007
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PostPosted: Fri Nov 05, 2010 8:42 pm    Post subject: Reply with quote

Just a reminder, as already mentioned forklift bottles are not intended to be mounted inside vehicles. If you need to do that, it'll have to go in a locker which is sealed from the interior and vented to the outside at the bottom.
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jon.g1
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Joined: 07 Nov 2007
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PostPosted: Sun Nov 07, 2010 5:40 pm    Post subject: Reply with quote

Rossko wrote:
Just a reminder, as already mentioned forklift bottles are not intended to be mounted inside vehicles. If you need to do that, it'll have to go in a locker which is sealed from the interior and vented to the outside at the bottom.


obviosly as they don't have. nor have the facility to add a air tight box, but if you can mount externally the legally you could use a re-fillable forklift type tank on a road legal vehicle.

now i know this will raise some questions so i shall answer now Smile

this came about as i thought in places the uklpga regs "cop11" where a little vuage in places, now cop11 is there interpretation of various ec regs, namely ece 67.01, well it's now ece 67r2e, well if i'm honest it's just as easy to understand as cop11. and i will follow directly when i replumb my vehicle.

now the following is some excerpts that i found, that had been completely missed out in cop11.

the following are excerpts from ece 67 rev 2 downloaded direct from

http://www.unece.org/trans/main/wp29/wp29regs.html

Quote:
17.1.7.3. Notwithstanding the provisions of paragraph 17.1.7., a mono-fuel vehicle
without limp-home system may be equipped with a service coupling in the LPGsystem.


the definition of a service coupling from the same document
Quote:
2.17. "Service coupling" means a coupling in the fuel line between the fuel container and
the engine. If a mono-fuel vehicle is out of fuel the engine can be operated by
means of a service fuel container which can be coupled to the service coupling;


more details
Quote:
17.1.7.4. The service coupling referred to in paragraph 17.1.7.3. shall be permitted if, in
the view of the technical services responsible for conducting type approval, the
service coupling is adequately protected and the required operation of the normal LPG-system is not affected. The service coupling must be combined with a
separate gas-tight non-return valve whereby it is only possible to operate the
engine.

Quote:
17.1.7.5. Mono-fuel vehicles installed with a service coupling shall carry a sticker near the
service coupling as specified in Annex 17.

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Anthony_05
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Joined: 05 Dec 2013
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PostPosted: Thu Dec 05, 2013 9:49 am    Post subject: Reply with quote

I use both propane and diesel for forklifts. I have fixed a bottle into forklifts that I fill with fuel and drive it.
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zng109
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PostPosted: Mon May 05, 2014 10:56 am    Post subject: Reply with quote

maybe off topic.

I can recall buying vented primus bottles that we would take to the QM, he would open the vent nut and fill the bottle from an upside down 47kg,
when liquid came out the vent.
tighten the nut and shut the two valves and depressure/ seperate the two.

dont smoke whilst doing this outside

next thing

I used to gas and degas aircon systems and imagine the same aplies to lpg.

1, vac the cylinder, weigh it.
2, with the filled vacumed cylinder on the scales conect it to an upside down live cylinder open both valves and watch the scales.
3, do not over fill!

however a vac pump will cost you over £300 it will handle the tempriture of lpg with no problem unlike the co2 drink pumps sold on e-bay.

BUT

It is designed to run refridgerant through it not flamable gas, it has an eletric motor on it so maybe not a good idea!

personaly I would not attempt to refill anon refilable container, bottle exchange is safer and cheaper ( take a look at simon western those were flash burns so you get the idea what can happen)
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