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All About Guns What's your weapon of choice, and why? Discuss the beloved speargun here!

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Old 02-13-2008, 05:37 PM   #16
Prater
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Re: First Speargun Build

Ok,
I was able to take the bow out of the blank and I am ready to position the handle and trigger. I am considering not making the first blank a mid handle/rear mechanism gun. I dont have enough material on the butt end for the triger so I may place the handle and trigger up the stock about 10 inches so I can still load this one with my hip and still fire the 55" shaft with some shaft overhang. let me know what you think:

First cuts were to even the sides where the overlap of the bottom teak was cut away.



I then made a longer fence that would run with the bowed side of the blank resting against it as the saw blade took out the curve



I then flipped the blank over to the new straight cut side and made the final squaring cut.



Here I am trying to decide if I want to try and make this blank a mid handle or go for the middle handle/trigger like I am use to on my AB Biller.



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Old 02-13-2008, 09:26 PM   #17
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Re: First Speargun Build

Thats lookin good already cant wait to see the finished product.
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Old 02-14-2008, 12:42 AM   #18
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Re: First Speargun Build

The suspense is killing me!
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Old 02-14-2008, 04:13 PM   #19
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Re: First Speargun Build

Looks good.
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Old 02-14-2008, 05:14 PM   #20
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Re: First Speargun Build

60" blank?

Definately Mid-Handle.
Looks good, man.
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Old 02-14-2008, 06:02 PM   #21
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Re: First Speargun Build

I think reefgeek wants Prater to make a mid-handle. I would also vote mid-handle - put that extra wood back there to use!
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Old 02-14-2008, 08:27 PM   #22
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Re: First Speargun Build

I will be doing a mid handle, I was just went into a moment of weakness wanting to get the project done. The weather turned cold again and looks like Ice tomorrow. I may be able to get the routing done this weekend.
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Old 02-17-2008, 04:28 PM   #23
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Re: First Speargun Build

Just got a little more work done today...
I set the router up for cutting the shaft track. I will be pouring an epoxy track and then routing an enclosed track with the ball end cutter I ordered from Tin Man's thread.

I used a 1/8th inch cutter to get the center line of my gun correct and for a shallow test cut.

getting a measurement to the centerline of the router bit



Setting up the router fence



I used featherboards to keep the gun in place as it runs over the bit. I also used blue painters tape to give me a stop point for the track





After the test cut with the small bit I measured to see if I was center on the gun. I was out about 15 thousandths but that was close enough for me.



I then switched to the 1/2 router bit and made a series of cuts until I was just over 1/2 inch deep. Here is the finsihed cut



I will be using the last 2 3/4 inches of the track as a guide for installing the trigger mechanism. I am still trying to figure out what kind of but i will install on the gun also



Now the wether has cleared up and I have to get some yard work finished. I am also waiting for my graphite to arrive since I could not find any local.
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Old 02-17-2008, 08:30 PM   #24
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Re: First Speargun Build

What kind/brand of epoxy are you pouring for the enclosed track?

Damn, I should have put all these rainy days to better use. It's 65f out right now and I'm looking at a list of Springtime honey-do's. Ripping and laminating teak doesn't seem to be one of the items on the list.......

......guess I'll go Weed & Feed the yard

Seriously though, I'm looking into Poseidon Sub (local to Nor-Cal) for the mid-handle trigger mech (and maybe the teak blank) for my next project: Xmas '08 in La Paz Mexico
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Old 02-17-2008, 08:53 PM   #25
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Re: First Speargun Build

I am using West System Epoxy with microfibers and graphite. I have to wait until I can get a day with temps above 60 degree to pour the track, its hard to heat my three car garage and keep it that warm for the epoxy to set.

Last edited by Prater; 02-17-2008 at 09:12 PM.
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Old 02-20-2008, 03:26 PM   #26
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Re: First Speargun Build

Looks good so far.
It will be cool seeing the gun finished knowing it was made out of your swim platform.
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Old 02-20-2008, 04:40 PM   #27
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Re: First Speargun Build

I was able to get a bit done on lunch today. I set up my Miter and was able to cut the release mechanism pocket. I use a 1/2 chisel mortise bit.
Setting up the mortise bit wioth the router track



The pocket after cutting and a bit of cleanup in the corners



I switched over to a 1/4 mortise bit and cut through for the trigger and made a pocket for the line release tab to operate



I then test fit the mechanism. I will cut the release trigger and notch it for a rod and then get the remote trigger pocket and rod channel cut.

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Old 02-20-2008, 06:22 PM   #28
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Re: First Speargun Build

So sweet, I can't wait to see more.

I picked up a little "Mr. Heater" that screws right on my BBQ propane cylinder, and it keeps my 3 car garage (or at least the immediate area I'm working in) pretty warm.
http://www.mrheater.com/productdetails.asp?catid=42

Get that damn track poured!!!!

edit: turn it off before you start mixing combustable epoxy resin, and ventalate the fumes before firing it back up
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Old 02-20-2008, 06:31 PM   #29
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Re: First Speargun Build

Track will have to wait until next week. My graphite did not make it in today and I leave in the morning for a liveaboard diving the Channel Islands...
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Old 02-20-2008, 08:48 PM   #30
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Re: First Speargun Build

Quote:
Originally Posted by Prater View Post
I leave in the morning for a liveaboard diving the Channel Islands...
Oh man, now you're really pissing me off............
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