Wahhhhhhhh ......... gawat nih semua pada minta maaf....bagaimana dengan gue
?????
selama di milist gue paling gak suka guyon(berani sumpah pocong deh ) cuma
agak sering saja ,dan untuk itu gue gak mau minta maaf tapi minta ampun saja
deh...........
dibawah ini ada tulisan tentang backbone,dan beberapa pertanyaan saya
sebagai orang awam:

Locating the Backbone of a Fishing Rod
Rod Crafting Techniques


What causes the Backbone??

Every rod has a Backbone, it is the rods spine, the strongest part of the
blank.
Some rods have several Backbones, you must pick the most dominate Backbone,
this
is the one that is most prominent in the selecting process. The Backbone is
created by several means, the main cause is in the construction stage of the
blank. It is caused by either a slightly bent mandrel. Usually these bends
are
visible to the naked eye (look down along the blank). Uneven construction of
the
material is another cause for Backbones. In the case of a fiberglass rod the
glass cloth is wrapped around a mandrel and soaked in resin, the Backbone
tends
to correspond to where the glass cloth overlaps the start point putting an
extra
layer of glass cloth in that line.

How to locate the Backbone??

Under load (bent) the blank will twist or rotate to try and place this
Backbone
to the 'top'. If you hold the blank out in front of you (from the tip) and
place
the blank under load (with one palm on the tip and the other down the blank
approximately one third the overall distance of the blank) you will find the
blank will tend to rotate itself to align the Backbone over the top of the
curve. Do this several time to locate the most prominent Backbone. Mark the
blank so you can refer to it in assembling of the rod.



Where do you place the Backbone??

On a rod that the Guides/Runners are required to be placed on the under side
of
a blank (spinning/fly) the Backbone should be placed directly opposite the
Guides/Runners (top of the rod). On a rod that requires the Guides/Runners
to
run along the top of a rod (jig/troll/game) the Back bone should be placed
directly under feet of the Guides/Runners.


Pertanyaan
Pemakaian istilah backbone:apasih backbone??: menurut tulisan awal,backbone
merupakan bagian terkuat dari suatu rod,tetapi melihat dari cara dia mencari
lokasi backbone nya,menurut saya yang dia dapat bukan lokasi backbone tetapi
merupakan sumbu simetri nya,di mana rod tidak berputar lagi pada waktu
memikul suatu bending force,dan sumbu simetri ini memang bisa lebih dari
satu.
Kalau yang didapat merupakan sumbu simetri maka bila dipasang terbalik ora
opo2,bagaimana pendapat para pakar rod








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