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Author Topic: Epoxy (re-)coating a wood speargun  (Read 2324 times)

Abdvrob

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Re: Epoxy (re-)coating a wood speargun
« Reply #15 on: July 13, 2009, 12:51:38 PM »
KILLER, another reason I need one of those!! I've been nagging the Misses about getting one of those damn things, but now it looks like Im going around her!!

Offline MATT MATTISON

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Re: Epoxy (re-)coating a wood speargun
« Reply #16 on: July 13, 2009, 12:53:33 PM »
Rob get one the kick ass !! I have one they are great for all kinds of apps.
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Offline thereefgeek

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Re: Epoxy (re-)coating a wood speargun
« Reply #17 on: July 13, 2009, 01:04:36 PM »
I have one they are great for all kinds of apps.

 :o

Too much information, Matt!!
-Rich VanDusen (my friends call me "Dick")
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Abdvrob

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Re: Epoxy (re-)coating a wood speargun
« Reply #18 on: July 13, 2009, 01:08:59 PM »
LMAO!!!!!  ;D

NorCalDvr

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Re: Epoxy (re-)coating a wood speargun
« Reply #19 on: July 13, 2009, 01:15:41 PM »
I have one they are great for all kinds of apps.

 :o

Too much information, Matt!!

sounds like someone has too much time on his hands

Offline Mike n

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Re: Epoxy (re-)coating a wood speargun
« Reply #20 on: July 13, 2009, 01:38:18 PM »
My buddies in college didn't call me "Mr. Better Idea" for nothin'.   ;D

My wife doesn't even know how to use her food saver other than to tell me what to seal, so I am safe to use it for whatever I see fit.   ;)   Thanks for saving me a little R&D, TRG.

MN

Offline MATT MATTISON

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Re: Epoxy (re-)coating a wood speargun
« Reply #21 on: July 13, 2009, 01:53:05 PM »
I must be slow or retarded because I do not get it to much info Matt ? can some one clearify ? 
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Diablo Loco

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Re: Epoxy (re-)coating a wood speargun
« Reply #22 on: July 13, 2009, 02:39:41 PM »
Yeah, Rich makes a "purdy" looking gun.  I can't wait to see one of his guns with some artwork from his CNC machine and then colored and epoxy'd.  That will be the "bomb."   ;D ;D

Offline thereefgeek

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Re: Epoxy (re-)coating a wood speargun
« Reply #23 on: July 13, 2009, 03:24:30 PM »
can some one clearify ?

I don't know if this is in violation or the "family friendly" policy or not, but there's only a couple of thing you can do with a vacuum pump (a device that generates extreme suction ;)).  One of them is to keep fish fresh in the freezer....
-Rich VanDusen (my friends call me "Dick")
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Offline thereefgeek

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Re: Epoxy (re-)coating a wood speargun
« Reply #24 on: July 13, 2009, 03:32:41 PM »
I just got a call from Phil about an hour ago regarding the whole vacuum laminating concept.

To quote an expert on gun building, the vacuum laminating process is more hassle than it's worth.  First off, is causes adhesives to foam due to drawing all the air out of the wood pores.  Secondly, it can cause the blank to bow if it's not clamped to a solid, straight surface, thus negating the need for clamps in the first place.

He did about 20 blanks on his [cabinet maker] buddies $20K vacuum table and ended up junking half of them due to failures in one way or another (glue joints or bowing).

Do this technique at your own risk

I haven't cut open the bag to check out my test scrap yet, but when I do I'll post pictures.
« Last Edit: July 13, 2009, 03:34:34 PM by thereefgeek »
-Rich VanDusen (my friends call me "Dick")
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Offline MATT MATTISON

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Re: Epoxy (re-)coating a wood speargun
« Reply #25 on: July 13, 2009, 03:48:56 PM »
can some one clearify ?

I don't know if this is in violation or the "family friendly" policy or not, but there's only a couple of thing you can do with a vacuum pump (a device that generates extreme suction ;)).  One of them is to keep fish fresh in the freezer....
Or use to seal your fresh herbs from the garden   ;D ;D ;D ;D
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Offline Mike n

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Re: Epoxy (re-)coating a wood speargun
« Reply #26 on: July 13, 2009, 04:03:18 PM »
That makes sense, too.  But a $2O k machine? Maybe that was the problem, too much vacuum. There is a big difference bewteen 20" of mercury and 29" inches of mercury.  I also think those units run under a constant vacuum with continuous pump run, as apposed to the cheapo ones which draw a vacuum, then are sealed.  With the cheapo ones after it is sealed and any air escapes the wood or VOC's escape the epoxy the vacuum will approach atmospheric within the bag and an equilibrium state will ensue thus reducing the propencity to have any gasses come out of the wood or VOCs out of the epoxy, I think.   :-\  If I get enough stock I will try it both ways. 

I was thinking that your glue in the bag under vacuum may not set.  It is my understanding that single phase glues set thru oxidation, but since you evacuated the bag there is no oxygen to oxidize the glue, so it might be the same as if the glue were still in the capped bottle.  It will be interesting to see how it comes out.

MN

Abdvrob

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Re: Epoxy (re-)coating a wood speargun
« Reply #27 on: July 13, 2009, 05:41:39 PM »

Or use to seal your fresh herbs from the garden   ;D ;D ;D ;D

 ;) :D ;D ;D ;D ;D

 

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