John Take a Look See - New pic added

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Boo
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Re: John Take a Look See - New pic added

Post by Boo »

Sorry to correct you Lou, HMPE is an abbreviation for High Molecular Weight Polyethylene aka High Modulus Polyethelene.

John, you are shooting Dyneema. Dynema is a proprietary or brand name of HMPE.

Most string materials are made from HMPE but some new ones are made from UHMPE. It's all pretty much the same material. The fiber companies manipulate the molecules differently to change characteristics slightly. Often those characteristics are elasticity and the Denier (roughly the fineness of the filaments that make up a strand). UHMPE is a definite step up in both cost and potential strength.
Some people just like stepping on rakes
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ComfyBear
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Re: John Take a Look See - New pic added

Post by ComfyBear »

Don nothing to be sorry about. Since we are both right. I just made a freudian slip and wrote down polypropylene :wink:

From Wikipedia:

http://en.wikipedia.org/wiki/Ultra-high ... lyethylene

Ultra-high-molecular-weight polyethylene (UHMWPE, UHMW) is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene, (HMPE), or high-performance polyethylene (HPPE), it has extremely long chains, with a molecular mass usually between 2 and 6 million u. The longer chain serves to transfer load more effectively to the polymer backbone by strengthening intermolecular interactions. This results in a very tough material, with the highest impact strength of any thermoplastic presently made.[1]
UHMWPE is odorless, tasteless, and nontoxic.[2] It is highly resistant to corrosive chemicals except oxidizing acids; has extremely low moisture absorption and a very low coefficient of friction; is self-lubricating; and is highly resistant to abrasion, in some forms being 15 times more resistant to abrasion than carbon steel. Its coefficient of friction is significantly lower than that of nylon and acetal, and is comparable to that of polytetrafluoroethylene (PTFE, Teflon), but UHMWPE has better abrasion resistance than PTFE.[3][4]


A rose by any other name, ....... :wink:
Last edited by ComfyBear on Thu Mar 20, 2014 9:11 pm, edited 1 time in total.
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Twisted Mister
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Re: John Take a Look See - New pic added

Post by Twisted Mister »

Tomato, tamoto, whatever! :lol: :lol:
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Boo
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Re: John Take a Look See

Post by Boo »

Oops!
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Normous
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Re: John Take a Look See - New pic added

Post by Normous »

Twisted Mister wrote:Tomato, tamoto, whatever! :lol: :lol:
Are you Dan?
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Kegbelly
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Re: John Take a Look See - New pic added

Post by Kegbelly »

Delete
Last edited by Kegbelly on Fri Mar 21, 2014 7:32 am, edited 1 time in total.
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Kegbelly
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Re: John Take a Look See - New pic added

Post by Kegbelly »

BTw, thanks for the explanation and detailed info Boo and Comfy. I'm not a stringmaker, I'll leave that to you guys! :lol:
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Re: John Take a Look See - New pic added

Post by Ont_Excal »

enormous wrote:
Twisted Mister wrote:Tomato, tamoto, whatever! :lol: :lol:
Are you Dan?
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ComfyBear
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Re: John Take a Look See - New pic added

Post by ComfyBear »

enormous wrote:
Twisted Mister wrote:Tomato, tamoto, whatever! :lol: :lol:
Are you Dan?
What's in a name? Twisted or not it's still the same.

"Toe-mate-to" vs. "Toe-ma-to" .... they taste the same.

However, to think that Dan equals Don would be insane.

The latter twists strings, the former twists things.

The latter a legend in his own time, the former only one in his own mind. :wink:

To quote a famous former newscaster: "And that's the way it is."
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JPjunkie
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Re: John Take a Look See - New pic added

Post by JPjunkie »

ComfyBear wrote:
enormous wrote:
Twisted Mister wrote:Tomato, tamoto, whatever! :lol: :lol:
Are you Dan?
What's in a name? Twisted or not it's still the same.

"Toe-mate-to" vs. "Toe-ma-to" .... they taste the same.

However, to think that Dan equals Don would be insane.

The latter twists strings, the former twists things.

The latter a legend in his own time, the former only one in his own mind. :wink:

To quote a famous former newscaster: "And that's the way it is."
That is it in a nutshell Well said :D
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