I got lazy, 26 records with E-glass mentioned, but what are the differences? Is it possible to tell the difference by looks?
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Sorry guys... E-glass/S-glass
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 fingernail |
Sorry guys... E-glass/S-glass |
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Guide
Posts: 165 (10/31/09 16:35:36) |
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 Rockthief |
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Master Guide
Posts: 1421 (10/31/09 17:03:36) |
scroll to the fourth post. http://www.bloodydecks.com/forums/rod-building/163717-e-glass-vs-s-glass-blanks.html
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jgestar |
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Posts: 4171 (10/31/09 21:50:05) ezOP |
E-glass stands for Electrical glass (as in non-conductive to electricity). S-glass stands for military spec glass. The S-glass has about 20-25% greater
stiffness, or elastic modulus and about 20-30% greater strength. The idea is an S-glass rod would be slightly lighter than the same stiffness and strength rod
in E-glass. In reality, different builders choose E-glass or S-glass depending on the action/feel they wish to develop into the rod.
S-glass came into the rod building market in the mid70s, about the same time as graphite. It was available earlier, but not at a reasonable price (just like graphite). S-glass may have been more widely adopted if graphite hadn't hit the market too. Can you tell the difference by looks? Sure, if the label says S-glass then the rod is made from S-glass (sorry, it's been a long day). Otherwise it is tough to tell the difference. Now that Gary Loomis has left Shimano/Loomis and started North Fork Composites, we should torture persuade him to make S-glass rod blanks similar to those he designed for Lamiglas in the late 70s. Who's up for an e-mail campaign? Tom |
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gypsy |
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Master Guide
Posts: 675 (10/31/09 23:33:25) |
Did G. Loomis design the Lamiglas SFL blanks? I'm working on one of those and it is a very fine blank to say the least. Shame they're not making them
anymore.
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Rockthief |
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Master Guide
Posts: 1423 (10/31/09 23:55:12) |
gypsy wrote:you might have to ask Gary Loomis that question. I bet he has a ton of neat information to share.
Last Edited By: Rockthief
11/01/09 10:26:57.
Edited 1 times.
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LeoCreek |
North Fork Composites | ||
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Master Guide
Posts: 285 (11/01/09 11:16:44) |
Hey Tom,
I sent an email to North Fork Composites, and will let you know what I hear back. Yes, I think if they had this S-Glass request from quite a few people, they might just consider it. |
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jgestar |
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Posts: 4173 (11/01/09 12:04:23) ezOP |
I have the 1978 Lamiglas catalog that introduced their line of S-glass rods and blanks. Gary Loomis is listed as their production manager. Considering Gary
has been known for his designs, I figure he had some hand in the design and production of the S-glass blanks.
Jason Borger is the fly rod designer at Northfork, but Gary Loomis owns the company. Tom |
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LeoCreek |
Reply from North Fork Composites re: S-Glass | ||
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Master Guide
Posts: 288 (11/04/09 20:53:44) |
Well, here is the response I received from Jon Bial at North Fork Composites regarding Gary Loomis possibly introducing some S-Glass blanks. It looks like we
need a couple of hundred more emails to convince them we're serious. (Their email address is info@northforkcomposites.com ).
----- Original Message -----
From: Jon Bial
Sent: Sunday, November 01, 2009 8:30 PM
Subject: Re: S-Glass fly blanks?
I think it will be awhile before Gary considers bringing back fiberglass models. He is first going to redesign our fly blanks out of HM, and he is pretty excited about being back IM6. If we got into glass, it would be at least nine months or so. Now, if we got a couple hundred emails wanting them, we'd have to pay attention to that! Jon |
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Spencer DT |
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Master Guide
Posts: 357 (11/04/09 21:01:28) |
Email sent.
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jgestar |
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Posts: 4188 (11/04/09 21:52:38) ezOP |
I called Jon Bial on Tuesday and had a nice chat with him. They are still in the early stages of blank development and ramping up production. Understandably,
the next few months of design and production will be devoted to graphite, including the older IM6 material. I'll call back in a few months to remind him
about glass.
I mentioned that the late 70s S-glass rods from Lami were still prized by forum members (see this build by fred1369 for an example). Jon indicated if we had an order for a few hundred blanks, that might make a world of difference. I told him we were a big forum, but not THAT big. Still, Jon didn't say no. Tom |
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whrlpool |
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Master Guide
Posts: 1082 (11/05/09 06:27:18) |
Jgestar, I remember about when S-glass came out--impelled by the "modulus" advertising game but also filling the niche between bamboo and early
graphite in terms of modulus. That is a great thing to have, the '78 catalog. As I recall, Lami has always been quite informative and precise in their
blank descriptions. I wonder if I didn't get one because from the description and the blank dimensions, I figured the 5 and 6 weights didn't quite suit
my preference for some reason. I kept an eye out at the time but never ran across any to look over first hand. I know you've got plenty to do as moderator,
but if there's a link to it, or you could scan/photo and post the key catalog pages, I would really appreciate it.
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jgestar |
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Posts: 4195 (11/05/09 17:20:42) ezOP |
That's a good idea. I have both the 1978 and 1979 catalogs. Most content is the same, but there is some additional information in the 1979 catalog that
I'll include with most of the 1978. I just have to remember to bring it to work where I can use a scanner.
Tom |
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whrlpool |
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Master Guide
Posts: 1085 (11/06/09 07:43:39) |
Thanks if you get to it. It also occurs to me that Lami is one of just a few who made blanks of both materials at the same time. So the catalog would also
reveal how the characteristics differed between rods--similar in line weight and length--of E-glass and S-glass. If I remember right also, you never heard the
term "E-glass" until about when S-glass came out, since it wasn't needed to distinguish the types. Prior to that the advertised distinctions were
on the order of cloth weave/lay-up (unideritctional and such) and resin type (epoxy, phenolic, polyester). Those continued but with the new consideration of
the "modulus,"--graphite popularizing that high-tech term--difference of E and S glass.
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- Welcome, Messages, Claves, News, and FAQs
- Fishing with Fiberglass Fly Rods
- Glass Tech
- Collecting Fiberglass Fly Rods
- What's New on the Market
- Rod Pictures
- Classic Fly Reels
- Another Spin on Glass
- Rod Building & Tackle Tinkering
- The Tying Bench
- Fiberglass Fly Rods For Sale
- Fiberglass Fly Rods Wanted
- Fiberglass Flyrodders Wiki
