Re: Helmet efficacy test

Liste des GroupesRevenir à rb tech 
Sujet : Re: Helmet efficacy test
De : jeffl (at) *nospam* cruzio.com (Jeff Liebermann)
Groupes : rec.bicycles.tech
Date : 25. Mar 2025, 19:32:47
Autres entêtes
Message-ID : <6bs5ujpi51u3iig81n65r3oqqb611gitkt@4ax.com>
References : 1 2 3 4 5 6 7 8
User-Agent : ForteAgent/8.00.32.1272
On Tue, 25 Mar 2025 12:22:55 -0500, AMuzi <am@yellowjersey.org> wrote:

A significant amount of sewing time for a $40 retail product.

It's not too difficult to make cycling gloves.  However, it does
require some practice and experience.  The problem is that no part of
the glove will lie flat on the sewing machine bed plate.  That means
that fixtures, jigs, attachments and preforms don't work well.  I can
easily find automated glove making machinery, but they're all for blow
molded rubber or for knitted gloves.  The leather palm and knitted
back of the typical bicycle glove do not lend themselves to
automation.  The leather palm can be preformed, but that creates a
problem for store display and packaging, which are best done flat.
<https://www.google.com/search?q=automated%20glove%20making&udm=2>
For me, the problem was making the stitched leather seams inside the
glove reasonably comfortable.  Some of the gloves I've seen don't even
bother with this and simply leave a lumpy seam inside the glove.  I
tried Latex glue instead of stiching, but found that the glue was
messy, aged badly and would not remain very flexible.

When all else is likely to fail, machine sewing the gloves, without
automation, is probably best.



--
Jeff Liebermann                 jeffl@cruzio.com
PO Box 272      http://www.LearnByDestroying.com
Ben Lomond CA 95005-0272
Skype: JeffLiebermann      AE6KS    831-336-2558

Date Sujet#  Auteur
24 Mar 25 * Helmet efficacy test692AMuzi
24 Mar 25 +* Re: Helmet efficacy test78Mark J cleary
24 Mar 25 i`* Re: Helmet efficacy test77Frank Krygowski
24 Mar 25 i +* Re: Helmet efficacy test33Mark J cleary
24 Mar 25 i i`* Re: Helmet efficacy test32Frank Krygowski
24 Mar 25 i i +* Re: Helmet efficacy test2Catrike Ryder
25 Mar 25 i i i`- Re: Helmet efficacy test1Frank Krygowski
25 Mar 25 i i +* Re: Helmet efficacy test21Frank Krygowski
25 Mar 25 i i i+* Re: Helmet efficacy test17Rolf Mantel
25 Mar 25 i i ii+* Re: Helmet efficacy test10AMuzi
25 Mar 25 i i iii`* Re: Helmet efficacy test9Catrike Ryder
26 Mar 25 i i iii `* Re: Helmet efficacy test8Frank Krygowski
26 Mar 25 i i iii  `* Re: Helmet efficacy test7Catrike Ryder
26 Mar 25 i i iii   `* Re: Helmet efficacy test6Frank Krygowski
26 Mar 25 i i iii    `* Re: Helmet efficacy test5Catrike Ryder
26 Mar 25 i i iii     `* Re: Helmet efficacy test4Frank Krygowski
26 Mar 25 i i iii      +* Re: Helmet efficacy test2Zen Cycle
26 Mar 25 i i iii      i`- Re: Helmet efficacy test1Catrike Ryder
26 Mar 25 i i iii      `- Re: Helmet efficacy test1Catrike Ryder
25 Mar 25 i i ii+- Re: Helmet efficacy test1Zen Cycle
25 Mar 25 i i ii+* Re: Helmet efficacy test3Catrike Ryder
26 Mar 25 i i iii`* Re: Helmet efficacy test2Frank Krygowski
26 Mar 25 i i iii `- Re: Helmet efficacy test1Roger Merriman
25 Mar 25 i i ii+- Re: Helmet efficacy test1Wolfgang Strobl
1 Apr 25 i i ii`- Re: Helmet efficacy test1Jeff Liebermann
25 Mar 25 i i i+* Re: Helmet efficacy test2Rolf Mantel
25 Mar 25 i i ii`- Re: Helmet efficacy test1Zen Cycle
26 Mar 25 i i i`- Re: Helmet efficacy test1Frank Krygowski
25 Mar 25 i i +* Re: Helmet efficacy test5Shadow
25 Mar 25 i i i+* Re: Helmet efficacy test2Zen Cycle
25 Mar 25 i i ii`- Re: Helmet efficacy test1AMuzi
25 Mar 25 i i i+- Re: Helmet efficacy test1AMuzi
25 Mar 25 i i i`- Re: Helmet efficacy test1Shadow
25 Mar 25 i i `* Re: Helmet efficacy test3Wolfgang Strobl
26 Mar 25 i i  `* Re: Helmet efficacy test2Frank Krygowski
26 Mar 25 i i   `- Re: Helmet efficacy test1John B.
25 Mar 25 i +* Re: Helmet efficacy test15AMuzi
25 Mar 25 i i+* Re: Helmet efficacy test12Jeff Liebermann
25 Mar 25 i ii+* Re: Helmet efficacy test7Zen Cycle
25 Mar 25 i iii+- Re: Helmet efficacy test1AMuzi
25 Mar 25 i iii`* Re: Helmet efficacy test5Jeff Liebermann
25 Mar 25 i iii `* Re: Helmet efficacy test4Zen Cycle
25 Mar 25 i iii  `* Re: Helmet efficacy test3AMuzi
25 Mar 25 i iii   `* Re: Helmet efficacy test2Zen Cycle
25 Mar 25 i iii    `- Re: Helmet efficacy test1AMuzi
25 Mar 25 i ii`* Re: Helmet efficacy test4AMuzi
25 Mar 25 i ii `* Re: Helmet efficacy test3Jeff Liebermann
25 Mar 25 i ii  `* Re: Helmet efficacy test2AMuzi
25 Mar 25 i ii   `- Re: Helmet efficacy test1Jeff Liebermann
25 Mar 25 i i`* Re: Helmet efficacy test2Shadow
25 Mar 25 i i `- Re: Helmet efficacy test1Shadow
25 Mar 25 i `* Re: Helmet efficacy test28Frank Krygowski
25 Mar 25 i  +* Re: Helmet efficacy test2Zen Cycle
25 Mar 25 i  i`- Re: Helmet efficacy test1Roger Merriman
25 Mar 25 i  +* Re: Helmet efficacy test3Mark J cleary
25 Mar 25 i  i+- Re: Helmet efficacy test1Catrike Ryder
26 Mar 25 i  i`- Re: Helmet efficacy test1Frank Krygowski
25 Mar 25 i  +- Re: Helmet efficacy test1Wolfgang Strobl
25 Mar 25 i  +- Re: Helmet efficacy test1Roger Merriman
26 Mar 25 i  `* Re: Helmet efficacy test20Frank Krygowski
26 Mar 25 i   +* Re: Helmet efficacy test17Roger Merriman
26 Mar 25 i   i+* Re: Helmet efficacy test2Roger Merriman
1 Apr 25 i   ii`- Re: Helmet efficacy test1Roger Merriman
26 Mar 25 i   i`* Re: Helmet efficacy test14Zen Cycle
2 Apr 25 i   i `* Re: Helmet efficacy test13Zen Cycle
3 Apr 25 i   i  +* Re: Helmet efficacy test11Jeff Liebermann
3 Apr 25 i   i  i+* Re: Helmet efficacy test2John B.
3 Apr 25 i   i  ii`- Re: Helmet efficacy test1Jeff Liebermann
3 Apr 25 i   i  i+* Re: Helmet efficacy test6Frank Krygowski
3 Apr 25 i   i  ii+* Re: Helmet efficacy test2Jeff Liebermann
4 Apr 25 i   i  iii`- Re: Helmet efficacy test1Frank Krygowski
3 Apr 25 i   i  ii`* Re: Helmet efficacy test3Frank Krygowski
3 Apr 25 i   i  ii `* Re: Helmet efficacy test2Roger Merriman
5 Apr 25 i   i  ii  `- Re: Helmet efficacy test1zen cycle
4 Apr 25 i   i  i+- Re: Helmet efficacy test1Jeff Liebermann
4 Apr 25 i   i  i`- Re: Helmet efficacy test1Jeff Liebermann
4 Apr 25 i   i  `- Re: Helmet efficacy test1Zen Cycle
26 Mar 25 i   `* Re: Helmet efficacy test2Zen Cycle
26 Mar 25 i    `- Re: Helmet efficacy test1Zen Cycle
24 Mar 25 +* Re: Helmet efficacy test603Catrike Ryder
24 Mar 25 i`* Re: Helmet efficacy test602Mark J cleary
24 Mar 25 i +- Re: Helmet efficacy test1Catrike Ryder
25 Mar 25 i +* Re: Helmet efficacy test583Frank Krygowski
25 Mar 25 i i+* Re: Helmet efficacy test6John B.
25 Mar 25 i ii+- Re: Helmet efficacy test1John B.
25 Mar 25 i ii+- Re: Helmet efficacy test1Catrike Ryder
25 Mar 25 i ii`* Re: Helmet efficacy test3Frank Krygowski
25 Mar 25 i ii +- Re: Helmet efficacy test1Roger Merriman
26 Mar 25 i ii `- Re: Helmet efficacy test1Frank Krygowski
25 Mar 25 i i+* Re: Helmet efficacy test84Roger Merriman
25 Mar 25 i ii+* Re: Helmet efficacy test9Catrike Ryder
25 Mar 25 i iii`* Re: Helmet efficacy test8Roger Merriman
25 Mar 25 i iii +* Re: Helmet efficacy test4Catrike Ryder
25 Mar 25 i iii i`* Re: Helmet efficacy test3Roger Merriman
25 Mar 25 i iii i `* Re: Helmet efficacy test2Zen Cycle
25 Mar 25 i iii i  `- Re: Helmet efficacy test1Catrike Ryder
26 Mar 25 i iii `* Re: Helmet efficacy test3Frank Krygowski
26 Mar 25 i iii  +- Re: Helmet efficacy test1Catrike Ryder
26 Mar 25 i iii  `- Re: Helmet efficacy test1Roger Merriman
25 Mar 25 i ii`* Re: Helmet efficacy test74John B.
25 Mar 25 i ii +* Re: Helmet efficacy test71Rolf Mantel
25 Mar 25 i ii +- Re: Helmet efficacy test1AMuzi
25 Mar 25 i ii `- Re: Helmet efficacy test1Frank Krygowski
25 Mar 25 i i`* Re: Helmet efficacy test492Catrike Ryder
25 Mar 25 i `* Re: Helmet efficacy test17Shadow
24 Mar 25 +* Re: Helmet efficacy test7Zen Cycle
25 Mar 25 `* Re: Helmet efficacy test3Frank Krygowski

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