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Old 03-08-2012, 09:12 PM   #1
505b400
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Default Noob questions on starting

I am planning on getting a turbine and have a few questions about the propane/ butane used for starting. My first question is, how long does a bottle/tank last? Roughly how many starts? Also where do you generally get the mixture of gases? Also what mix ratio? Thanks for your help, I swear I searched for an hour!!
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Old 03-08-2012, 10:33 PM   #2
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You can get the propane/butane mix from sporting goods stores.

http://www.google.com/products/catal...ed=0CHEQ8wIwAg

You'll need a fill valve (it just snaps on top) and you'll need to hold the can upside down as you fill.

If you can still find it, the Colerman Powermax works great and lasts quite a while. (and you don't need to hold the can upside down)

I've had my turbine for almost 3 years and JUST started my 3rd can of Powermax. With the 5 cans I have on hand, I'm good for the next 5-6 years.
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Old 03-09-2012, 08:08 AM   #3
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Thank you very much!! Is this the coleman powermax you were talking about?
http://www.google.com/m/products/cat...ed=0CEsQ8wIwAw
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Old 03-09-2012, 09:59 AM   #4
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The fat, squat, green and blue can is what we currently use for starting gas. It is a 70/30 mix propane/butane and works perfect for this application. It DOES require to be turned upside down when filling the onboard tank.

I usually find it at Wal-mart for appx $5.00 and lasts for 20+ starts.

The Powermax that Skiddz is referring to is a taller, skinnier, Silver can, apparently no longer made, but they still show up on occasion. This can has a standpipe in it so does NOT require to be turned upside down.
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Old 03-09-2012, 04:40 PM   #5
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This is the Powermax fuel:



There are two fillers you can use for the fuel bottle/can:

This one from RC Gear:

http://www.rcgear.com/products/PowerCap/

or this one from SinCity Jets (I'm sure there's other places to get it as Sin City's price seems ridiculously high)

http://www.sincityjets.com/accessories/DSC00609.JPG

Schulman Aviation used to have it, but I don't see it on their website anymore..
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Old 03-10-2012, 09:39 AM   #6
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Some of these things might be included in the sale of a used turbine heli.
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Old 03-11-2012, 08:09 PM   #7
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I have 11 hours run time (over 100 flights) on my Magnum 44 and I'm still on my first bottle of Powermax, which feels (from the sloshing) about 1/3 full. I only top up the propane tank every 2-3 visits to the field which corresponds to about 8-10 flights. I had no idea it would use so little so I'm feeling a little silly with 9 more bottles in the cupboard.
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Old 03-12-2012, 12:04 AM   #8
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Seems like you used quite a bit that first day, though after we talked I guess it worked better.. Lol.
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Old 03-12-2012, 01:28 PM   #9
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Quote:
Originally Posted by cbergen View Post
Seems like you used quite a bit that first day, though after we talked I guess it worked better.. Lol.
Yep, still that same bottle.
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Old 03-13-2012, 06:30 PM   #10
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get a kero or convert to kero start and forget about the gas, you wont regret it
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Old 03-16-2012, 12:31 AM   #11
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That's a viable solution IF your engine is capable of being converted. I'd love to do the conversion on my MW-54, but can't due to the combustion chamber setup...

I believe all the MW-44s available now can be converted to kero start.
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