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cassette clockwise arrow 40 nm



 
 
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  #51  
Old March 8th 17, 12:12 AM posted to rec.bicycles.tech
Doug Landau
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Posts: 1,424
Default cassette clockwise arrow 40 nm

On Tuesday, March 7, 2017 at 10:39:02 AM UTC-8, Mike Causer wrote:
On Tue, 07 Mar 2017 01:53:04 +0100
Emanuel Berg wrote:

Mine are ex-military Britool from
a motorcycle autojumble. Not quite up to
Snap-On quality, but still good. I don't use
them them on bicycles though, just use my
hands ;-)


Shouldn't ex-military British stuff be
very good? Hey, it is where the industrial
revolution began.



Haha too bad it's in whitworth


Ads
  #52  
Old March 8th 17, 12:18 AM posted to rec.bicycles.tech
Emanuel Berg[_2_]
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Posts: 1,035
Default old-school tools [photo] (was: cassette clockwise arrow 40 nm)

Joerg wrote:

I have tools that are by now exotic - and
hopefully I'll paste a picture of some of
them tonight...


Yes, that would be nice.


Keep it real:

http://user.it.uu.se/~embe8573/work-...cool-tools.jpg

--
underground experts united .... http://user.it.uu.se/~embe8573
Emacs Gnus Blogomatic ......... http://user.it.uu.se/~embe8573/blogomatic
- so far: 69 Blogomatic articles -
with: #moasen @ irc.freenode.net 6667
  #53  
Old March 8th 17, 12:33 AM posted to rec.bicycles.tech
AMuzi
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Posts: 13,447
Default old-school tools [photo]

On 3/7/2017 5:18 PM, Emanuel Berg wrote:
Joerg wrote:

I have tools that are by now exotic - and
hopefully I'll paste a picture of some of
them tonight...


Yes, that would be nice.


Keep it real:

http://user.it.uu.se/~embe8573/work-...cool-tools.jpg


Let's see your Italian tools too
http://www.yellowjersey.org/photosfr...st/NITRIDE.JPG

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


  #54  
Old March 8th 17, 01:10 AM posted to rec.bicycles.tech
John B.[_3_]
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Posts: 5,697
Default cassette clockwise arrow 40 nm

On Tue, 7 Mar 2017 18:35:02 +0000, Mike Causer
wrote:

On Tue, 07 Mar 2017 19:23:22 +0700
John B. wrote:

A Master boat builder sees one of the "hands" driving screws in with a
hammer. Rolf! he shouts, "What the H___ do you think those screws got
that slot in the head for?" Rolf looks up and says, "Oh yes Boss,
that's to take them out with".


Where I grew up an insult to the folks in the nearby city was to call a
hammer a "Brummagem screwdriver".

If my turntable was working I'd put on the "Bert and I" album now.
Hang on clickety clickety -- I can get it on CD! http://www.bert-and-i.com/


Mike


I'm old enough the have heard the original Bert and I guy perform in
front of a Maine audience. Probably the joke that typified Maine
humor, at the time, was the joke about the guy in a balloon who was
lost and as he floated over the country side he saw a farmer plowing
the "back 40" and shouts down, "Can you tell me where I am?" The
farmer looks up and shouts back, "You are up in a balloon".
--
Cheers,

John B.

  #55  
Old March 8th 17, 01:20 AM posted to rec.bicycles.tech
John B.[_3_]
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Posts: 5,697
Default cassette clockwise arrow 40 nm

On Tue, 07 Mar 2017 16:34:29 +0100, Emanuel Berg
wrote:

AMuzi wrote:

Look inside the 11t sprocket and you will see
the splines do not go fully through to the
outside. Add a 1mm spacer behind the low
gear, lube and torque your lockring and that
rattle will go away.


OK, now I get it (I think), by rattle, you mean
what I've called crash sounds. You suggest
I should remove the new cassette, put in the
spacer, and put the cassette back on? Even tho
I don't experience anything negative using it
as it is? And this time, no crash sounds or
"rattle" when pulling?


I think there is a bit of a translation problems with crash and rattle
:-) To most Americans (who is whom you are usually talking on this
site) a "crash" is the sound of you hitting a school buss at 30kph
while "rattle" is the sound of a spray paint can when you shake it to
get the paint well mixed :-)
--
Cheers,

John B.

  #56  
Old March 8th 17, 01:24 AM posted to rec.bicycles.tech
Emanuel Berg[_2_]
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Posts: 1,035
Default old-school tools [photo]

AMuzi wrote:

Let's see your Italian tools too
http://www.yellowjersey.org/photosfr...st/NITRIDE.JPG


.... !?

(speechless)

Only comfort is, while you can fire your arrows
from the Tower of Babel, you can NEVER strike God!



--
underground experts united .... http://user.it.uu.se/~embe8573
Emacs Gnus Blogomatic ......... http://user.it.uu.se/~embe8573/blogomatic
- so far: 69 Blogomatic articles -
with: #moasen @ irc.freenode.net 6667
  #57  
Old March 8th 17, 01:27 AM posted to rec.bicycles.tech
John B.[_3_]
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Posts: 5,697
Default cassette clockwise arrow 40 nm

On Tue, 07 Mar 2017 08:21:06 -0800, Joerg
wrote:

On 2017-03-06 17:00, Emanuel Berg wrote:
Joerg wrote:

I use a regular wrench, note the length,
calculate the required pull force at the end
and then I use a suitcase scales that my
sister gave me. A digital one with a hook
where you normally lift a suitcase with to
see if it is still under the required 50lbs.
Under $10.


... really? How do you "mount" it all? Even if
it could be done, ...



It can be done easily. Most of my wrenches have either a loop or a
circumferential groove. If they didn't I could quickly add one. I put
the cassette together (mostly I have them in pieces to be able to mix
and match), tighten all the stuff by hand. Now I slip the wrench onto
the Shimano tool, crank the wrench by hand but not too hard, press the
button on the suitcase scale, slide the hook through the loop or let it
slip into the groove at the other end of the wrench and then pull on its
handle until the display shows the "weight" I calculated to indicate
correct torque.

Ok, you first have to measure the length of your wrench but after some
years doing it this way you already know that. You could also write the
"scale factor" onto the wrench.

I can almost bet this method is more accurate than a ratchet but that's
not the reason I am doing it this way.

My dad used an analog butcher scale. Works just as well but those can
hurt if they accidentally slip off the handle and go flying.


... isn't this like a poor-man's torque wrench and much more complicated
at that?


No, it is very practical. I try to be a minimalist with many things. Why
buy and store a torque wrench when it is not truly needed? Then there is
the ratchet mechanism. When it gets old how do you know it is still
accurate? The suitcase scale I can easily check.

I might comment that at one time I worked in the Edwards AFB (USAF
Test Center) shops where we had a "Torque Wrench Shop" where the guy
tested and recalibrating torque wrenches. I once asked him how many of
the torque wrenches turned in for calibration actually needed
adjustment. He said "all of them, even the new ones".

The calibration bench was simply a shaft with an arm to which weights
were added :-)


of 40 nm, I know only this is a lot and the
reason I know this is every time I remove
it, it is stuck like, very firmly!


It is a lot. But I thought you Vikings are
all supermen with lots of muscle, exclaiming
a loud "uff da" and off the cassette comes
:-)


Sorry, wrong country. That's the Norwegian
vikings. We on the other hand were clever
merchants even then


:-)


On my Shimano cassettes the end piece that
tightens it up has teeth inside so it will
make a loud ratchet sound at the end. I guess
that was done so it won't come loose during
a ride. If the outer sprocket would ever slip
off and turn free while pedaling hard you
could have a major crash. So it better not
come off.


Indeed, I figured it was something with the
casette. The smallest sprockets (two or three?)
are somewhat loose to begin with. Do you know
what is actually making the sound,
functionality aside?


You mean when tightening? Take apart the old cassette. You'll see
knuckles on the inside (pointing towards the wheel) of the fastening
screw and also knuckles on the surface it comes to rest on. Those
knuckles will cause that rat-tat-tat noise when tightening a cassette.
Think of it as two washboards rubbing on each other with the wavy sides
touching.

--
Cheers,

John B.

  #58  
Old March 8th 17, 01:27 AM posted to rec.bicycles.tech
Emanuel Berg[_2_]
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Posts: 1,035
Default cassette clockwise arrow 40 nm

John B. wrote:

I think there is a bit of a translation
problems with crash and rattle :-) To most
Americans (who is whom you are usually
talking on this site) a "crash" is the sound
of you hitting a school buss at 30kph while
"rattle" is the sound of a spray paint can
when you shake it to get the paint well mixed
:-)


But it IS the buss sound, only not so loud!

Aaanyway, thanks everyone for this session,
etc. etc., I'll be back in a while, I hope.

--
underground experts united .... http://user.it.uu.se/~embe8573
Emacs Gnus Blogomatic ......... http://user.it.uu.se/~embe8573/blogomatic
- so far: 69 Blogomatic articles -
with: #moasen @ irc.freenode.net 6667
  #59  
Old March 8th 17, 01:33 AM posted to rec.bicycles.tech
John B.[_3_]
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Posts: 5,697
Default cassette clockwise arrow 40 nm

On Tue, 7 Mar 2017 18:47:11 +0000, Mike Causer
wrote:

On Mon, 06 Mar 2017 15:22:54 -0800
Joerg wrote:

I use a regular wrench, note the length, calculate the required pull
force at the end and then I use a suitcase scales that my sister gave
me. A digital one with a hook where you normally lift a suitcase with
to see if it is still under the required 50lbs. Under $10.


To get to 150lbf-ft for the front wheel bearings on a BMC Mini (not the
BMW MINI) I'd put a stout tube on the end of the breaker bar then
calculate where to stand on it. To undo ditto but stand further out &
jump on the tube.


Mike


I've seen a 19 foot propeller installed on a 3500 H.P. engine torqued
the same way. Except the wrench handle was about ten feet long and the
guy was hanging on the wrench with his feet about three feet off the
ground :-)
--
Cheers,

John B.

  #60  
Old March 8th 17, 02:37 AM posted to rec.bicycles.tech
Frank Krygowski[_4_]
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Posts: 10,538
Default old-school tools [photo]

On 3/7/2017 6:33 PM, AMuzi wrote:
On 3/7/2017 5:18 PM, Emanuel Berg wrote:
Joerg wrote:

I have tools that are by now exotic - and
hopefully I'll paste a picture of some of
them tonight...

Yes, that would be nice.


Keep it real:

http://user.it.uu.se/~embe8573/work-...cool-tools.jpg


Let's see your Italian tools too
http://www.yellowjersey.org/photosfr...st/NITRIDE.JPG


Pretty!

--
- Frank Krygowski
 




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