November 30th, 2007, 01:44 | #16 | |
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And I noticed the "mileage" issue as well. The maximum I can shoot reliably on one charge is 15 rounds. Subsequent shots get weaker and I'm out of gas by the 18th or 19th shot. I was wondering if this was normal. I'm glad to hear it is.
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November 30th, 2007, 02:56 | #17 |
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haha damn, yeah, I totally missed it. I just read the bit about propane in the WA and fast forwarded through the rest, cuz I was thinking "oh noes! don't do thaaaaat!"
Sorry, my bad missing it. Glad you found the alternative though. I ran my TM that way for years, never had any trouble. Also, what I found from testing is that the more propane you mix in, the faster it empties out. So maybe try just a bit less propane and see if that improves how many shots you can get out reliably.
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November 30th, 2007, 03:27 | #18 |
MG chemicals "Super duster 123A" is some trifluo.... but retails at around twice the price of normal duster.
I got some once to test my guns.. it cycled a WE hicapa Dragon perfectly in an indoor condition (arouns 20-23deg.) |
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November 30th, 2007, 04:00 | #19 |
Wow, considering WE slides are really heavy.
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December 1st, 2007, 17:14 | #20 |
And where is this MG chemicals "Super duster 123A" available from?
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December 1st, 2007, 17:20 | #21 |
December 1st, 2007, 19:17 | #22 |
hey everybody
I'm actually looking for duster but all I found in shop are not HFC134, this is trifluo. where do you find HFC134 duster? you confirm that's not recommended to use trifluo in gbb (only problem of power or other problem?) in the same time, where do you buy silicon oil? I only find silicon lubricant (canadian tyre, Rona) I think this is not the same thing because I tested it on a paint metal and it remoove the paint....., I don't want it for my gbb |
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December 1st, 2007, 19:27 | #23 | |
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Blue Gas = HFC134a, AKA Duster Green Gas = Propane, AKA "TOP gas" (TOP was a brand of green gas from Toy Jack) Red Gas = generally accepted as being HCFC-22, AKA Freon Black Gas = usually CO2 Some people have claimed different power levels from different brands of green gas. I never saw much difference, except in the smell (HFC's smelled like dead fish...) The only brand that was known to be substantially stronger was "Winter Grade American Eagle" which was sold in the UK. No clue what was actually it in.
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December 1st, 2007, 19:27 | #24 | |
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December 1st, 2007, 19:29 | #25 |
there are 2 options that i have found
#1 - buy from The Source their brand of duster http://www.thesourcecc.com/estore/Pr...roduct=6404350 #2 - buy MG Chemicals Super Duster 134a http://www.mgchemicals.com/products/402a.html i would go with MG duster since it is cheaper. check out their website for Canadian distributors in your province. tetrafluoroethane (134a) = safe to use in your GBB (make sure to still use silicone oil) difluoroethane (152a) = bad for your GBB Last edited by szetor; December 1st, 2007 at 19:32.. |
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December 1st, 2007, 19:32 | #26 | |
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December 1st, 2007, 19:43 | #27 | |
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Wouldn't say it's bad for your GBB, it just lacks power compared to 134a, even in made-for-duster guns (like WA) so performance generally sucks.
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December 1st, 2007, 19:55 | #28 | |
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I read this from the boards "It's been discussed over an over again. di- duster gas is harder on the seals, and also from what I've seen doesn't provide as much pressure. Stick with the tetra-, it's not that hard to find at all." "I tought that it was a general consensus in the duster-gas-user's community that Difluorethane was significantly weaker than Tetrafluorethane, and that it also caused the rubber seals to give after a while and/or affect the hop-up sleeve in a negative way (2 problems I would rather not try to confirm... to save a little cash.)" for these reasons i wouldn't use difluoroethane heres the thread comparing di to tetra.. http://www.airsoftcanada.com/showthr...t=10372&page=3 Last edited by szetor; December 1st, 2007 at 20:00.. |
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December 1st, 2007, 21:24 | #29 |
thanks for all
I didn't think to "la source" there is one at the corner of my street....... how could i have been so stupid...... |
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December 1st, 2007, 23:01 | #30 | |||
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As for being harder on the seals, could be, but I don't know of any actual cases where this has been actually demonstrated. The origin of the concern over difluoroethane revolves around speculation about formaldehyde, as briefly explained in one of the "original" articles about gas guns by DumboRat (an AirsoftZone regular, back in the day, later on Arnie's): Quote:
Also, propane is corrosive to high-density polyethylene (HDPE), polystyrene, and polyurethane, and slightly corrosive to acrylonitrile butadiene styrene (ABS). (source http://www.intox.org/databank/docume...pane/cie59.htm), but we still consider it safe enough to use in our guns.
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