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How to glue 2, 13" styrene tubes together

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  • Member since
    May 2016
How to glue 2, 13" styrene tubes together
Posted by green glass drum on Sunday, May 29, 2016 11:53 AM

Hi Everyone, First Post, Thanks for Helping.

I am customizing a toy drum and making it into a "real" drum.

It is a "Mastro" from the 60's.

The shell is in 2 pieces. It is 2, 12 5/8" diameter tubes about 3" in depth and about 1/8-3/16" thick.

I would like to "weld" these 2 pieces together so that the 2 parts become one and resonate together. So I want to cover the entire thickness (1/8-3/16") with compound to ensure a full connection to the 2 halfs.

So application  time is a factor. I need about 1-2 minutes to apply weld liquid to get around the circumference. So it cannott up too fast.

I have been looking for a "glue". Looked at Same Stuff from Micro mart.

Have heard about MEK.

What do you guys think would be the best product to use to fuse these 2 halves together?

The drum is gloss red and I want to keep the seam very clean with no overspill out to the finished surfaces.

Thank You Very Much

green glass drum

PS: can we post pics on this forum? 

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Tuesday, May 31, 2016 9:19 AM

MEK, acetone, or any of the popular modeling solvent cements should glue the tubes together.  However, the seam would still show.  You would need to treat the seam with standard seam finishing techniques and then repaint to get a good finish.

Don Stauffer in Minnesota

  • Member since
    May 2016
Posted by green glass drum on Tuesday, May 31, 2016 10:17 AM

Thank You Mr. Stauffer

How much working time would I have after dipping ends of tube in Acetone or MEK.

What about Same Stuff from Micro mark.

Using the wick method on the inside of shell where it would not show, hopefully.

Thanks Sir

  • Member since
    May 2016
Posted by Raulduke on Tuesday, May 31, 2016 1:44 PM
My two cents. I would look for an inner sleeve.something that fits the i.d. Snugly Mike
  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Wednesday, June 1, 2016 9:18 AM

Raulduke
My two cents. I would look for an inner sleeve.something that fits the i.d. Snugly Mike
 

If the view of the insides is blocked so that sleeve would not show, I also think such a sleeve would be a good idea.

Usually I find I have at least fifteen to twenty minutes using solvents- similar working time regardless of which solvent.  And, you can lengthen working time by continually adding solvent.  I like to allow solvent joints to dry overnight.

 

Don Stauffer in Minnesota

  • Member since
    September 2012
Posted by GMorrison on Wednesday, June 1, 2016 10:10 AM

Do you really think its styrene. If it's a Maestro, it's a real drum.

It's probably acrylic or fiberglass, since you can tell its not wood or metal. In which case I would suggest a sleeve as others have, and epoxy.

I'd also not worry a whole lot about how it looks, as long as it's a clean job. Drums take a real beating (Groan!).

But, if it's meant to be played, all of this is going to have some effect on the sound. You'll just have to find out.

 Modeling is an excuse to buy books.

 

  • Member since
    May 2016
Posted by green glass drum on Wednesday, June 1, 2016 7:14 PM

It is a "Mastro". A toy from the 60's.

Sears Chrismas Catalog item.

There was also a Ringo headed version.

Made by Mario Maccaferri/Mastro. They made Plastic ukeleles, guitars, bongos, clothes pins and the first 8 track tape box/cover. and much more.

He used styrene for most all of his products.

Cheapest and best for looks and injection molding.

The sleeve is a great idea. I am trying to keep the finish inside and out pristine.

What do you all think of "Testors Model Master" as a solvent/glue to wick into the seam from the inside. Tenax anyone?

  • Member since
    June 2016
Posted by DMWilson on Thursday, June 2, 2016 2:54 PM

If you are going to sleeve this, as it seems you are, careful to leave a gap between the drum head and the sleeve. If you have contact, you will dampen the drum head and ruin the sound. I'd give myself a good 1" gap below the drum head were I doing this.

The tonal quality will change a little with the sleeve as you are reducing the chamber diameter with but only slightly. This is not the same as having a drum of a different diameter, as in a kit, to get different sounds. But heck, its a drum! Only Ringo will notice the tonal change.

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