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Author Topic: Help with building a model airboat prop guard  (Read 3349 times)

modelboatbuilder

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Help with building a model airboat prop guard
« on: June 21, 2012, 03:03:19 pm »
Greetings, I build "static" model boats and am currently scratch building an airboat.  I purchased some hobby aluminum tubes to build to prop guard, then discovered, I can't solder it together, or can I?  HELP please!!!
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Tug-Kenny RIP

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Re: Help with building a model airboat prop guard
« Reply #1 on: June 21, 2012, 03:17:28 pm »

it's usually outside the model maker's remit to weld Aluminium together.  Maybe you would be better off using brass or copper tube.

Cheers

ken
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gwa84the2nd

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Re: Help with building a model airboat prop guard
« Reply #2 on: June 21, 2012, 03:33:43 pm »
search ebay for low temp aluminium brazing rods ive used them sucsesfully fro making exoust pipes out of alli
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pettyofficernick

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Re: Help with building a model airboat prop guard
« Reply #3 on: June 21, 2012, 08:39:25 pm »
Hi there, have a look at the link to CuP alloys, it will tell you all you need to know, I have used Alusol with some success  for soldering aluminium tube and sheet, just don't go mad with the heat, I used a mini pencil torch, worked fine for me....
Regards,
Nick. :-)) :-)) :-))

http://www.cupalloys.co.uk/joining-aluminium-c100014.html
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Stavros

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Re: Help with building a model airboat prop guard
« Reply #4 on: June 21, 2012, 08:43:24 pm »
pettyofficernick you beat me to it just couldnt rember what the stuf I use at work for repair of broken lugs on alternators etc dammed good stuff BUT beware of the heat issue as you will melt what you want to solder very easily practise on scrap fisrt


Dave
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modelboatbuilder

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Re: Help with building a model airboat prop guard
« Reply #5 on: June 22, 2012, 08:22:58 am »
Thak you ALL for your input, guess this "issue" needs more investigating.

modelboatbuilder
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Big Ada

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Re: Help with building a model airboat prop guard
« Reply #6 on: June 22, 2012, 05:50:39 pm »
Quote from: pettyofficernick on June 21, 2012, 08:39:25 pm
Hi there, have a look at the link to CuP alloys, it will tell you all you need to know, I have used Alusol with some success  for soldering aluminium tube and sheet, just don't go mad with the heat, I used a mini pencil torch, worked fine for me....
Regards,
Nick. :-)) :-)) :-))

http://www.cupalloys.co.uk/joining-aluminium-c100014.html

Dont get it confused with Anusol!!!. {-)

Len.
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pettyofficernick

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Re: Help with building a model airboat prop guard
« Reply #7 on: June 22, 2012, 07:54:45 pm »
Ah, the soothing emollient for The Dukes of Argyles... O0 O0 O0
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modelboatbuilder

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Request for help!
« Reply #8 on: June 24, 2012, 06:45:40 pm »

I'm building a model airboat, my design and layout, problem is with the motor guard.  I'm attempting to build it from 1/16th aluminum tubing for the frame and aluminum wire for the braces. (pic attached)

I've researched and have not gotten a "solid" answer about this.  CAN, you solder aluminum and if so, what tools and solder do you use?

Haven't soldered in years, but willing to do whatever I need to complete this project.

Pic attached of the Motor Guard I'm building.

Tom



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modelboatbuilder

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Re: Help with building a model airboat prop guard
« Reply #9 on: June 24, 2012, 06:52:23 pm »
Quote from: pettyofficernick on June 21, 2012, 08:39:25 pm
Hi there, have a look at the link to CuP alloys, it will tell you all you need to know, I have used Alusol with some success  for soldering aluminium tube and sheet, just don't go mad with the heat, I used a mini pencil torch, worked fine for me....
Regards,
Nick. :-)) :-)) :-))

http://www.cupalloys.co.uk/joining-aluminium-c100014.html

Thanks for this information, however I am trying not to use an "open flame."
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gwa84the2nd

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Re: Request for help!
« Reply #10 on: June 24, 2012, 07:04:04 pm »

As said in the other thread, its not an easy thing to join aluminium without an open flame and specialist materials.
There's low temp brazing with low temp aluminium rods and there's specialist solder all linked in the other thread.  All will require an open hot flame which you can't do it with a soldering iron  :-))

Threads now joined

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Tug-Kenny RIP

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Re: Help with building a model airboat prop guard
« Reply #11 on: June 24, 2012, 09:44:08 pm »

Two threads now joined together.

Please do not split the same subject to different threads

ken

 
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