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induction nut/bolt heater

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fordbroncodave

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Sep 15, 2009
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4,555
i have tested and used one of those. i got to use it for 2 days before returning it as a demo.

i personally believe its faster then an acetylene torch and less work getting a torch ready takes longer.

i can't really describe how it works but it does well.

its nice to have especially when you cannot get sparks on anything
 

fatfillup

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Jan 17, 2009
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Location
Finksburg, Md
Looks like a great idea if it works as advertised. Price will come down as more get made and sold. Would like to hear from more guys who have used it.
 

fordbroncodave

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Sep 15, 2009
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it does exactly as it is described. you can watch a 1/2" stud with a 3/4" nut on it get cherry hot in 10-15 seconds.

it is rather bulky and i would be afraid that the attachments aren't long enough for some applications.

its either this or a junior size acetylene torch kit for the same price nearly. your choice
 

Griff93

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Jul 25, 2009
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Location
Huntsville, AL
One of the guys I work with has one. It's really need and does work as advertized. However, the problem with it is you can't direct heat into something like you can a torch. How many times to bolt break off at the head and not where the threads are into something? I find a mig welder a lot more useful for getting out broken bolts.
 

tatra

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Dec 2, 2007
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pirate contest city
we use induction to get the pinion gears off of the traction motors on choo choos.........this is the gear on the end of the motor that turns the big gear on the axle.........the pinion is a taper fit, when applied, is heated and torqued with a big nut on the end.......removal is done thru induction.........if it needs to be done on a semi regular basis on nut where they are accessible. probably handy to have , but a torch might be better all around with fiberglass mats and water around just in case..........
 

aidank

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Nov 23, 2008
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65
Location
Ireland
be nice if there was sometype of attachment that would simulate the effect of a a propane torch for this i.e. a point you could put on it that would throw the heat in frount of it could use it then for cutting in tight situations much more controlled than propane torch

also could use it for heating threads which are buried in a long mount
 
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StingRay

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Jan 26, 2006
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1,340
Location
Saskatoon,SK. Canada
They work good. I have also used one that was made for windshield, decal and truck bed liner removal. Pricey but really neat. They are particularly good for getting in at bolts in places where you are NOT going to use a torch without ruining something else or lighting it all on fire.
 

truckdriver

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Nov 12, 2009
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Location
Miami,OK
I wonder how well it would work getting a 6" long 5/8 bolt out of an aluminum engine xmember? I tried a 30 ton jack,a 22lb sledgehammer, lots of PB blaster, even a torch and impact. I didn't like using the torch as I didn't want to make to the xmember brittle.
 

70Chevy

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Jun 13, 2009
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The Motor City
500 beans is kinda steep! I'll continue with the propane torch - would be nice if it works as good as the ad shows it.
Like someone else siad, if I put out the $500, I'd likely never have another stuck bolt again!
 

fordbroncodave

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Sep 15, 2009
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it has many attachments for different applications. i like the window seal seperator the most. cuts like butter
 
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KNS Autosport

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Sep 14, 2008
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Montreal
i like the window seal seperator the most. cuts like butter


I was also looking at how well the window seal seperator works, it could definatly pay itself off verry fast, I send many cars to scrap with perfectly good windshields because I dont have the time to deal with taking them off.
 

tonydanzah

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Nov 14, 2009
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the champagne of people
i think you can get similar result with a mapp torch and adjustable nozzle. Just not as fast, may take 45sec to 2min to get the same heat. Just no way to do trim or windshields.
 
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nato

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Dec 23, 2009
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Location
Northeast Ohio
A guy I work with bought the Mini-Ductor (original version) off of our MAC dealer about a year ago. Aside from the price and it's massive, bulbous body, it works EXCELLENT! I've used it a few times to break loose a plethora of cradle & frame mounted bolts/nuts/studs. He's used it a lot on these types of jobs as well as with a couple instances I can't totally remember, but they were 'unique' reapirs that required such a tool. It saved time from making OJR's to complete one unrelated repair.
 

theamcguy

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Apr 22, 2009
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405
Location
Fayetteville, NC
Check eBay I bought the mini ductor and the attachement set for $300 around Christmas. They work no bull, no hype, plain, and simple.
 

Diesel_Crawler

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Apr 17, 2009
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1,267
Location
Canada, NB
If worked as shown I would love to have one, but for the price its something the shop should have. Ill stick with the torch and oxygen lance.
 

Major Ramifications

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Feb 28, 2005
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4,673
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River Ridge, Louisiana
The cool thing about induction heating is that it doesn't make heat, it makes high frequency magnetic waves that cause the iron molecules to rub together, creating heat through molecular friction. Microwave ovens do this with radio waves causing the water molecules to rub, heating the food.
Induction cooktops for the kitchen are just starting to catch on over here (they are more popular in Europe). The cooktop doesn't get hot, it only heats the iron in the pot. You can leave an ice cube on one half of the burner and boil water in a pot on the other half, and the ice cube won't melt. If you have a spillover while cooking, you can pick up the pot, put a towel down on the burner, and then put the pot on top of the towel, and continue cooking right through the towel. Spills won't stick, as the burner doesn't get hot. Also, it is a very efficient heat.
 

Phuckin' Jim

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May 16, 2009
Messages
235
Location
North of the Peg
Well, it came today. :)
Tried it out on a couple of nuts, and it works as advertised.
Comes with a padded plastic case and 3 attachments, as well as an owners manual.
Took a total of 2 weeks to get here.
 

Tom2

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Dec 19, 2008
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2,209
Looks awesome.. I'll wait for the $50 HF version though. It aint worth $500 to me.
 

lipadj46

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Jan 25, 2010
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Looks awesome.. I'll wait for the $50 HF version though. It aint worth $500 to me.

+1, I can't wait for this to be H-eff'd. I wonder if there are any patents that would prevent them from copying it?
 

Tom2

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Dec 19, 2008
Messages
2,209
Question:

What if a bolt breaks, and isn't sticking out at all? Is there attachments to be able to heat it, so you could remove it with an extractor?

Obviously it'd be ideal to apply the heat before removing the bolt, but wondering how this would fare with broken bolts..
 

mjozefow

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Apr 9, 2009
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Location
Lafayette, IN
Looks awesome.. I'll wait for the $50 HF version though. It aint worth $500 to me.

Yes, let's wait for the HF to rip off the intellectual property and mass produce for ten cents on the dollar.

Someone put a lot of effort into the design, I would imagine HF keeps them up at night.

I'm not bashing HF, I buy stuff from them if I have no other economical option, but they will find any and every way to snag proprietary ideas.
 
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