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Author Topic: Make My Own Fiberglass Lam
andrianyuga
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Hi Everyone...

I started building this, past 6 month ago..the issues is hard getting Gordon Glass, Bearpaw glass or other bow backing products in my country...online purchase its not solving whole issues when your local customer wants good bows with cheap cost ..

In here..Local Handmade traditional bows sale about $ 150 - 200...Imported products sale about $ 350 - 600

So i started to make my own fiberglass to reduce production cost..this simple fiberglass making based on Poltrusion procces..but still homemade [Big Grin]

Molding, lenght 1 meter, width 4,5 cm, depth 1 cm

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Moulding Tensioner

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Arrange 3 cm nails
4 pcs Horizontal, 5 pcs vertical


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Put mold release wax on main surface and side
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I use unidirectional fiber roving like this
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Getting started put roving on the mold
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After 20 min works
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Posts: 50 | From: Jakarta Indonesia | Registered: Jan 2014  |  IP: Logged | Report this post to a Moderator
andrianyuga
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1. Clear Resin ( local common name Resin CMX type )
2. Catalyst
3. Styrene monomer
4. Grooving tools

Mixing Ratio :

- Half cup of glass ( 120 ml )
- 1 table spoon styrene
- 5 - 6 drops catalyst

based from above..you able to works 2 fiberglass strips


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After Mixed
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Work first inner of roving layer, to avoid dry spot..dont forget to loose molding tension before
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And then, pour the resin outer roving surface
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Grooving with 1 hour working time before resin getting cured
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and after it..make sure there's no dry spot or bubble trap
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To avoid resin waste left on the mold, i use hairdryer and grooving with flat surface tool, look at resin waste on top
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Posts: 50 | From: Jakarta Indonesia | Registered: Jan 2014  |  IP: Logged | Report this post to a Moderator
Buemaker
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Very interesting. Let us see the rest.
Posts: 2033 | From: Norway | Registered: Feb 2004  |  IP: Logged | Report this post to a Moderator
Mad Max
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Yea

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"nothing ventured ,nothing gained"

Posts: 1737 | From: Mississippi | Registered: Oct 2013  |  IP: Logged | Report this post to a Moderator
mwosborn
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Wow. Makes me grateful that my glass is only one quick click away!

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Enjoy the hunt! - Mitch

Posts: 1438 | From: Albion, Nebraska | Registered: Sep 2009  |  IP: Logged | Report this post to a Moderator
Roy from Pa
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Yup, I get all my glass from Mr. McKenzie.
Posts: 11075 | From: PA | Registered: Oct 2006  |  IP: Logged | Report this post to a Moderator
Bvas
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quote:
Originally posted by Roy from Pa:
Yup, I get all my glass from Mr. McKenzie.

What the????

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Some hunt to survive; some survive to hunt

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macbow
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WoW,, good work.

Roy has been into glass for a long time. Longnecks.

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United Bowhunters of Mo
Comptons
PBS
NRA
VET
"A man shares his Buffalo". Ed Pitchkites

Posts: 3278 | From: Warsaw, Missouri | Registered: Mar 2003  |  IP: Logged | Report this post to a Moderator
monterey
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quote:
Originally posted by macbow:
WoW,, good work.

Roy has been into glass for a long time. Longnecks.

[biglaugh] [laughing] [laughing]

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Monterey

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andrianyuga
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I put the pressure board on top, and pressed with inner tube band, and tighten the tensioner before
Let it dry in direct sunlight for 4 - 6 hours

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during drying procces, you can see resin waste squeezing out
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open the pressure board carefully, actually there's no little black spot on it, that's my camera [Big Grin]
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Cut here
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carefully released from the mold
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And the results of homemade fiberglass Lam
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Posts: 50 | From: Jakarta Indonesia | Registered: Jan 2014  |  IP: Logged | Report this post to a Moderator
Holm-Made
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Amazing.

Once the word gets out n this Ol' Kenny will be looking for new employment again. LOL

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www.holmmadetraditionalbows.com

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andrianyuga
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Here's the Bows
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Black glass on Tatar Bows
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White Glass on Turkish Bows
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Clear on One piece recurve
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Roy from Pa
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Nice work.

All right Mac, LOL.

Posts: 11075 | From: PA | Registered: Oct 2006  |  IP: Logged | Report this post to a Moderator
Robertfishes
Trad Bowhunter
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Very nice bows, thanks for sharing the pictures of your fiberglass production.
Posts: 3605 | From: Ocala , Florida | Registered: Mar 2005  |  IP: Logged | Report this post to a Moderator
rainman
Contributor 2017
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Very informative, and imaginative.

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Semper Fidelis
Dan Raney

Posts: 949 | From: St. Louis, Mo | Registered: Jun 2003  |  IP: Logged | Report this post to a Moderator
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