[Vwdiesel] Minor tragedies--A4 suspension work

[mark shepherd]

Your probably right, I am suffering from a head ache from being nagged for 
not taking my high blood pressure tabs.
I was thinking in terms of Kinetic energy varying with the sq of velocity, 
for any given mass. So do we swing a half mass hammer 4 times as fast? ...
 Brain clearing; due to the KE formula, a hammer half as heavy only needs to 
be swung [root 2] or 1.414 times as fast for same energy, or doubling the 
hammer size requires  0.7 times the velocity
Drilling into a greased chamber, would surely carry swarf into the flute of 
the bit. Flushing would help. I guess it's only worh doing where replacement 
is , costly, unavailable,or inconvenient, either due to labour involved, or 
otherwise too comon an occurance.

Hardy Spicer joints used to come with nipples, but then again they rarely 
come in any form these days.
http://www.racecarwarehouse.co.uk/images_parts/parts/miscsection/hardy%20spicer.JPG

A bit like log tables...(maybe not)...

Mark


----- Original Message ----- 
From: "Patrick Dolan" <pmdolan at sasktel.net>
To: "mark shepherd" <mark at shepher.fsnet.co.uk>
Cc: "vw fans" <Vwdiesel at vwfans.com>
Sent: Monday, February 28, 2011 1:55 PM
Subject: Re: [Vwdiesel] Minor tragedies--A4 suspension work


>
> Not quite:  F = m * a   In this equation, Force and mass are directly 
> proportional at 1:1 ratio.  a (acceleration in M/sec/sec) from that one 
> further calculates that for change in the velocity (m/sec), there you get 
> a second order for acceleration when you resolve for acceleration (since 
> distance will be approximately the same....i.e. how much the arm and 
> hammer compress).
>
> The 1/2 part comes from solving for that distance:  s = 1./2 * a * t^2
>
> In other words:  three times the hammer size = three times the force 
> delivered in blow.  Three times the velocity = NINE times the force 
> delivered in blow.
>
> ----- Original Message -----
> From: mark shepherd <mark at shepher.fsnet.co.uk>
> Date: Monday, February 28, 2011 7:14 am
> Subject: Re: [Vwdiesel] Minor tragedies--A4 suspension work
>
>> Power  is 1/2 mass times velocity squared or something
>> { minus 'diminishing accuracy' squared as you hit something
>> completely
>> unintended, and delicate due to the extra ooomph}
>>
>> Mark
>>
>>
>>
>> ----- Original Message ----- 
>> From: "Patrick Dolan" <pmdolan at sasktel.net>
>> To: "Erik Lane" <eriklane at gmail.com>
>> Cc: <Vwdiesel at vwfans.com>
>> Sent: Monday, February 28, 2011 12:59 PM
>> Subject: Re: [Vwdiesel] Minor tragedies--A4 suspension work
>>
>>
>> >
>> > Usually bigger, but the physics of it indicate that velocity is
>> more
>> > important (force delivered increases linearly for mass, but the
>> second
>> > order of value for velocity).  In other words, swing twice as
>> fast, get
>> > four times as much force delivered.  Skill and manual dexterity
>> again
>> > becomes the key ingredient.
>> >
>> > ----- Original Message -----
>> > From: Erik Lane <eriklane at gmail.com>
>> > Date: Sunday, February 27, 2011 6:48 pm
>> > Subject: Re: [Vwdiesel] Minor tragedies--A4 suspension work
>> >
>> >> Actually, in my experience it's usually when you don't have a big
>> >> enoughhammer that problems happen. If you have a big enough hammer
>> >> then you don't
>> >> have to force things as much, so you can be more in control while
>> >> actuallygetting the job done. Right tool for the job and all
>> >> that... :)
>> >>
>> >> Although sometimes when I'm reaching for the monster *BIGGER*
>> >> hammer then it
>> >> truly is out of frustration and I'm just planning to beat the snot
>> >> out of
>> >> something. But in general if you have a big enough hammer to start
>> >> with then
>> >> you can actually go easier on it while still getting it done, is
>> >> all I'm
>> >> trying to say.
>> >>
>> >> Erik
>> >>
>> >> On Sun, Feb 27, 2011 at 3:17 PM, Shalyn Shourds
>> >> <sshourds at flash.net> wrote:
>> >>
>> >> > Wow, sorry.  I'll have to go back and look at what I wrote.  I
>> >> must have
>> >> > sounded like I was about to jump off a bridge.
>> >> >
>> >> > I meant just to ask if the axle just pushes out of the
>> >> bearing/hub like on
>> >> > A2 cars or if it has to be pressed out.  Usually I do memorize
>> >> appropriate> Bentley section, but for this job it's a bad as the
>> >> Chitlins [sic] manual.
>> >> >
>> >> > Honest.  I don't mind working on VWs.  I think it's suspensions
>> >> I hate. I
>> >> > don't have a lot of upper body strength and it's always a
>> >> beatdown fighting
>> >> > the various parts under tension.  Speaking of:  I've tried the
>> >> two hammer
>> >> > trick, but never succeeded.  Guess my hammers were too small.
>> >> Usually,> though, when I find myself reaching for a bigger hammer,
>> >> I know I'm about to
>> >> > witness a truly spectacular mistake :)
>> >> >
>> >> > -Shalyn
>> >> >
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