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General control line discussion => Open Forum => Topic started by: Ron Hess Sr on February 24, 2012, 12:00:29 PM
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Can a person use jb weld on a metal tank in stead of soldering when building a tank? ???has anyone done this and does it hold up? H^^Ron
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You might get away with some kind of down & dirty last ditch external patch repair on metal, but for full on assembly, not recommended.
Besides and anyway, it would take days to build the thing per set-up time with JB. And, with solder, it's wow and now once the heat source is removed.
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Plugged a Cox engine back-plate overflow once with it and upon disassembly a while later, bore witness to major decomposition.
Best,
Grady
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I used it to mount Brodak adjustable mounts on a metal tank.
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Somewhere out there in cyber-land, there's a web site on building fuel tanks for combat planes from balsa, aluminum foil, and epoxy. You laminate the foil onto the balsa with the epoxy, cut out a box, glue it together with epoxy, and voilą! A tank!
But that only means that this guy can build a tank that lasts for the entire lifetime of a combat plane.
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I used to use the 24hr cure JBweld on electric racing motors, to glue in the magnets. These were mabuchi racing slotcar motors, and the directive was to heat cure the JBweld by putting the motor can in an oven at 300 degrees for an hour. Never had magnets dislocate in any of my motors. H^^
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JB Weld
Good stuff.
Company owned and run by a grandmother, her daughter and granddaughter.
Acording to the girls during phone conversation the JB quick has roughly 1/2 the bond and strength as the 24hr.
There are many Johnson combat engines held together with JB..permanently.
A few things I have done with JB Weld
Repair mag case in bearing housing area on Mac 6 cart engine. still good 40 years later.
Stuff and port model airplane engine cases.
When installing throttle body that was bigger than available manifolds for sons truck the outside of manifold was built
up with JB weld then boring out on the lath.( bad ass truck)
Repair worn and improper fitting axle splines in rear uprights/bearing carriers to zero slop. The loads in this area are
tremendous and varied. Heat until you smell JB for disassemble.
Ron
Some one somewhere on the net has an article on building our fuel tanks from aluminum and assembly with JB weld.
If Google wont find it for you I may have saved the link...finding it is a problem with my random filling.
Damned John Stiles!
I need your help... chucking families junk out of one of my buildings to make room for the 130 ft track with 4 banks
(and normal) turns.LOL!.
If you don't have a car to run you can pick one out of my collection of running 1/24th 60s cars. There is over 50 to chose from.
My favorite winter time hobby.(girls have gotten to old for fun)
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Damned John Stiles!
I need your help... chucking families junk out of one of my buildings to make room for the 130 ft track with 4 banks
(and normal) turns.LOL!.
If you don't have a car to run you can pick one out of my collection of running 1/24th 60s cars. There is over 50 to chose from.
My favorite winter time hobby.(girls have gotten to old for fun)
I let a fellow racer borrow my NASCAR and INDY RACER after I quit to go on a roadtrip to San Jose.......when I saw him next...he said someone broke in to his house and stole them.....I still have my controller though.......you gonna build a "King Orange"?? I can wire it. ;D
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Woah!
Hope it wasn't the Cox NASCAR! Those are worth small fortunes to collector nuts!
I think our local commercial track was a King Orange. Got to run on it 10? times before AMF intentionally crashed the industry.
Switching to email.
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Somewhere out there in cyber-land, there's a web site on building fuel tanks for combat planes from balsa, aluminum foil, and epoxy. You laminate the foil onto the balsa with the epoxy, cut out a box, glue it together with epoxy, and voilą! A tank!
But that only means that this guy can build a tank that lasts for the entire lifetime of a combat plane.
Hi Tim,
knowing its off-topic, but here it is what you talking about y1.
http://home.wxs.nl/~wakke007/
and klick--
"making balsa tanks for diesel engines".
Maybe for others of intrest ::).
Cheers Peter H^^
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I used JB Weld to repair a cracked exhaust manifold on a Cat D-6 dozer. It was still holding when we traded the dozer in two years later.
Bill Hodges
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I have an old Sears air compressor that my kids borrowed one time, and let it fall over in the back of a pickup. It broke all of the wind vanes at the hub of the pulley. I jigged it up and JB welded it back together. That was 35 years ago and it is still going strong.
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I would not use JB weld to build a tank. I have used it for many uses and JB weld is good stuff.
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Ron
Here is a link to making composite fuel tanks for control line in a style suitable for PA and most other uses.
http://www.nclra.org/WayneTrivin/CompositeTanks2.html
Epoxy carbon fiber assembled with epoxy.
very time consuming with fantastic results. For high end mass production if you ask LL~ me!
Some one should let Wayne know that if he puts mold and part in freezer after cure out for 1/2 a day
that aluminum form will fall out of the CF tank skin.
So far have not found the link to the all aluminum tanks assembled with JB weld. will post if I do.
All aluminum includes plumbing as well. no brass or other corrosion or dissimilar metals problems.
The process was simple as wooden bucks to bend the aluminum sheet same as if it was tin plated steel,
using aluminum pluming and assembling with JB weld. For one offs Harbor freight has a miniature bending tool for use in vice that works well.
All stock came from K&S.
Before assembly etch contact areas of joints with phosphoric or scuff good with steel wool and spray brake cleaner
or MEK. I usually use the Brake clean for ease and no residue for this sort of stuff.
Do not contaminate with oil from fingers after final cleaning for assembly.
Less chance of leak than solder but test it any way!
As far as repairing tanks JB works very well with gasoline and pure methanol from my experience on steel, glass and aluminum as well as plastic tanks.
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I used JB Weld to repair a cracked exhaust manifold on a Cat D-6 dozer. It was still holding when we traded the dozer in two years later.
Bill Hodges
Jim
Dads 45 year old JB manifold repair on the 12-E failed about 5 years ago.
Jim K
I think I have the same air compressor, had the same accident. Bought new pulley/fan
Sucker still works with out flaw.
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I think those were the best compressors that Sears ever made. I bought mine used from a friend about 40 years ago for $15.00. I miss treat it like only checking the oil about every 10 years or so, and it just keeps working. I keep looking for it to throw a rod or something.
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Can I use Jand B weld to glue my Dubro hinges in my flaps and elevators?
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In 1965 took the heads off of a chevy 283 motor to replace blown head gascet. Found a burnt slot in block between two cylinders. Repair was made w/ JB weld by a friends dad and it held up as long as I had the car. Nick
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How would it work on my x wifes lipps?
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Sorry, I just had to do that.
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How would it work on my x wifes lipps?
John
In a situation like this can you really afford to deal with 24 hour cure? HB~> HB~> HB~>
I would use Super glue then coat with JB.
If shes wearing lipstick several rows of pin holes may be needed.
LL~ LL~ LL~ LL~ LL~ LL~
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Can I use Jand B weld to glue my Dubro hinges in my flaps and elevators?
J-B Weld for hinges would work but is so messy. As far as your wifes lips, it would hold for a while, but like getting it on your skin the body oils would soon cause it to release. Get copper wrapping wire for your lines and sew her lips together. I don't want to be there when you do it tho.
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J-B Weld for hinges would work but is so messy. As far as your wifes lips, it would hold for a while, but like getting it on your skin the body oils would soon cause it to release. Get copper wrapping wire for your lines and sew her lips together. I don't want to be there when you do it tho.
Hey, Doc, are you trying to get the ol' boy a fate worse than death?? ???
BIG Bear
RNMM/AMM
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Use J-B Weld to make your tank if you want! No doubt it will hold and my experience is that it is chemical resistant. Never glued a tank with it, but it has held on aluminum tank brackets for over (20) years on the same plane until the plane finally met its fate. Used it to seal seam leaks on a model tank or two. Used J-B weld to repair numerous pin hole leaks on a Chevy Impala gas tank caused by a rotted out tail pipe blowing hot corrosive gases on tank. Vehicle was used another (6) years before it was sold to someone else.
Doug