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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 03-15-2020, 01:03 PM   #1
Hpwatson
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Join Date: Apr 2016
Location: Gulf of Mexico
Posts: 202
New build - 135 compound roller

I've been honing in on this design over the last few builds and I think I'm getting close to my best version of this style. I factor in a handful of changes and updates every time I build one of these and as far as this one goes I'm perfectly happy with it as a personal gun. I'm going to be switching to sapelle instead of mahogany on future builds, it is a similar wood but apparently much more sustainable and maybe even a bit stronger.

Specs are:
  • 135cm band stretch
  • 67" 7.5mm riffe shaft
  • 14mm rubbers
  • Meandros reel with 250ft aussie dyneema line
  • AR-15 handle
  • Mahogany and purpleheart woods
  • 1.4" max thickness

I also post my guns on instagram for any who are interested: @cavalier_spearguns

Thanks for looking!
-Henri


https://photos.app.goo.gl/65XJ8HE32qQXPugt5

https://photos.app.goo.gl/HZnA664KBiSsk6A96

https://photos.app.goo.gl/jgoWJfb4v5pj1CCAA

https://photos.app.goo.gl/rNjT6CDxKL5SY8TT8
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Old 03-15-2020, 04:16 PM   #2
popgun pete
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Re: New build - 135 compound roller

Certainly a vivid purple from the purpleheart creating in a sense an equatorial band around the gun. Looks great!
Does that stuff hold its color over time?
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Old 03-15-2020, 07:12 PM   #3
Hpwatson
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Re: New build - 135 compound roller

I think it will fade some over time. Most exotic wood species look their best right when they first get oiled. Teak oil has a high resistance to UV and should keep it well protected as long as I keep the oil finish fresh, but ultimately it will probably fade some. Mahogany actually improves with age.
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Old 03-15-2020, 08:11 PM   #4
asianspearo
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Re: New build - 135 compound roller

A true work of art!
Congratulations, Mr. Watson.

Di Au
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Old 03-16-2020, 08:19 AM   #5
Hpwatson
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Re: New build - 135 compound roller

Quote:
Originally Posted by asianspearo View Post
A true work of art!
Congratulations, Mr. Watson.

Di Au
Thanks!
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Old 03-16-2020, 02:49 PM   #6
musubi
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Re: New build - 135 compound roller

It's really a beautiful gun! I love the wood colors.

For the band that goes over the rollers, is it cored with line (like spectra)?
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Old 03-18-2020, 08:40 PM   #7
Hpwatson
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Re: New build - 135 compound roller

Quote:
Originally Posted by musubi View Post
It's really a beautiful gun! I love the wood colors.

For the band that goes over the rollers, is it cored with line (like spectra)?
Yes it is cored with dyneema
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Old 03-25-2020, 09:18 AM   #8
Mikel_24
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Re: New build - 135 compound roller

Beautiful gun!!!

Any issues bumping arround the muzzle area? The sides seem a bit thin... and while the core takes most of the load on the pulley shaft a bad bump and you could break it.

I know it goes probably against the overall looks of the gun but... a few layers of CF could reinforce that area.

How is loading it to the last tab? Seems quite close to the butt of the gun!

Mikel
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Old 03-29-2020, 11:42 AM   #9
Hpwatson
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Re: New build - 135 compound roller

Quote:
Originally Posted by Mikel_24 View Post
Beautiful gun!!!

Any issues bumping arround the muzzle area? The sides seem a bit thin... and while the core takes most of the load on the pulley shaft a bad bump and you could break it.

I know it goes probably against the overall looks of the gun but... a few layers of CF could reinforce that area.

How is loading it to the last tab? Seems quite close to the butt of the gun!

Mikel
Yeah this is the thinnest I've gone on the muzzle without reinforcement. On past guns I've done inlaid carbon fiber bars that work well. The purple heart is so strong I think it'll be fine, but I'm going to see how it works long term. Backup plan is if it does break those pieces eventually I will cut them out and install carbon fiber bars.

Loading to the last tab takes some muscle! Would be less of a problem if I had given myself an extra inch or two of line inside the threaded bands. Right now the threaded bands max out about an inch too short of the last notch and it really tightens up right before you get the tab. Fixable though, just takes time.
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Old 03-30-2020, 04:08 AM   #10
spearq8
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Re: New build - 135 compound roller

Nice!
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Old 03-30-2020, 09:20 AM   #11
deanmc
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Re: New build - 135 compound roller

Nice looking gun. Love the choice of wood.
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