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2010-06-01, 4:55pm
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Beyond Cloud 9!
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Join Date: Sep 11, 2005
Location: Kansas
Posts: 2,084
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Foot Pedal Question
Hi everyone!
I am running a Scorpion on two M-15s and I want a foot pedal. If I run one to the center fire (which I find sufficient for soft glass and small boro) and one to the outer fire, will I have enough umph from the outer fire to run the foot pedal?
I know that tanked would be optimal for the foot pedal, but I don't want to mess with tanks.
Any input would be greatly appreciated.
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Lisa
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2010-06-03, 10:06am
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Curmudgeon Engineering
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Join Date: Feb 15, 2006
Location: Near Seattle, WA
Posts: 1,723
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lripster,
You may have a misconception re foot pedals. The foot pedal is simply a switch that turns one flame on and off. Since you will never need to turn off the center flame except to stop working during that session you only need one foot pedal... to control the outer flame. My suggestion would be to combine the output from both M-15s and then split off a connection to the foot pedal (pretty much standard setup with oxycons or tanks using a foot pedal) and run that to the outer flame. That way you have full capacity (both M-15s) at all times for your center fire (most used) and controlled use of the outer fire when needed. I would also suggest adding a 'surge tank' into the system between the M-15s and the rest of the system.
You also mention having 'enough umph' to run a foot pedal. The foot pedal is, in most cases, electric and self contained; it takes nothing from your torch system. The question is then 'Is there enough umph to run your torch'. If it runs well now with 2 M-15s then it will run the same or better (because of more efficient use of gasses) as it did before. The added benefit of using a foot pedal is a big savings in oxy use; especially important when on tanks.
There are several threads on thegldg.com forum re building your own foot pedal at reasonabe cost. two solenoids, some fittings and wire; simple.
PJH
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2010-06-03, 10:42am
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Curmudgeon Engineering
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Join Date: Feb 15, 2006
Location: Near Seattle, WA
Posts: 1,723
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Foot Pedal setup - basic
Little drawing may help.
PJ
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2010-06-03, 10:51am
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Curmudgeon Engineering
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Join Date: Feb 15, 2006
Location: Near Seattle, WA
Posts: 1,723
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BTW,
I ran this setup for a long time on a Baracuda and later on a Tiger Shark that I converted to 4 stud with manifolds of my own design/mfg.
PJH
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2010-06-03, 12:18pm
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Beyond Cloud 9!
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Join Date: Sep 11, 2005
Location: Kansas
Posts: 2,084
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Oh thanks so much, PJH, for the info. I was under the impression I had to split the 15s up in order to use the pedal without a tank. That's why I thought there might not be enough from one concentrator to give me the boost I need.
And thanks a ton for the picture. I'm totally a visual learner!! LOL
I'll check out the gldg for more info.
Again, thanks for your help.
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Lisa
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2010-06-04, 6:30am
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ILERNTITBYWATCHINU
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Join Date: Mar 26, 2010
Location: arnold ,ca
Posts: 188
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i built a foot pedal for my scorpion ,from a thread at the gldg . here's a link to it, http://www.talkglass.com/forum/showt...ght=foot+pedal
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2010-06-06, 10:40pm
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Beyond Cloud 9!
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Join Date: Sep 11, 2005
Location: Kansas
Posts: 2,084
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Thanks for the link, BerningGlass. It looks easy enough to do it myself. (But I'll let my brother do it. )
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Lisa
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2010-06-07, 4:23am
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DSDWC
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Join Date: Nov 04, 2005
Location: Born in the backwoods. Raised by a bear
Posts: 1,268
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Here is my link to my tutorial on building a simple holding tank.
http://www.treycornette.com/category_23/Tutorials.htm
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