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Re: [ST] Tank Slap



G'day Kevin

Tyres are new 020's and they are a big step up from the original BT 57's.

Haven't had the experience of a slap yet, was more a question on what can
you do to recognise a situation that may cause it to happen and what to do
if it does etc etc.

Cheers, Chris

- ----- Original Message -----
From: "ksmith955" <ksmith955@xxxxxxxxxxx>
To: <ST@xxxxxxxxxxxxxx>
Sent: Saturday, June 15, 2002 8:40 AM
Subject: Re: [ST] Tank Slap


> Chris,
>
> Forgive my mentioning the obvious, but are yout tyres OK?  I have just
> replaced my second set at 17,000 miles and what a difference! I had
> Bridgestone 020s on my ST, and found latterly with the rear well squared
off
> and the front down to the wear indicators 2mm that everything could get a
> bit vague, especially cranked over.  Never got into a tank slapper,
though.
> I thought that only happend to Suzuki TL 1000s.  Fitted Avon Azaro IIs -
> whole thing now a lot more poised, even nimble over the trial sections
that
> are laughingly called streets in London.
>
> Kevin (Reservoir Dawg)
> 99 Sprint ST
> London.
>
>
> ----- Original Message -----
> From: "Chris Maher" <mahervis@xxxxxxxxxxxxxx>
> To: <ST@xxxxxxxxxxxxxx>
> Sent: Friday, June 14, 2002 9:13 AM
> Subject: Re: [ST] Tank Slap
>
>
> > Thanks Nick
> >
> > The bike is 12,500k's old, I have had it since new so can vouch for the
> > frame etc and other areas you mentioned.
> >
> > My question was mainly based on something you hear people mention or has
> > happened to other riders but not something you can practice for or even
> try
> > to avoid it unless its happened to you personnally.  I was of the
> > understanding that the shorter wheelbase, sharper steering angle styles
> were
> > more prone to it than our sprints but you can never know enough to be
> fully
> > aware of all riding situations.
> >
> > Thanks for the reply anyway.
> >
> > Cheers, Chris
> >
> > ----- Original Message -----
> > From: "by way of Message_Redirector@xxxxxxxxxxxxxx"
<owner-st@xxxxxxxxxx>
> > To: <ST@xxxxxxxxxxxxxx>
> > Sent: Friday, June 14, 2002 7:21 AM
> > Subject: [ST] Tank Slap
> >
> >
> > > From: "Nick" <nick@xxxxxxxxxxxxxxxxxxxx>
> > > To: <ST@xxxxxxxxxxxxxx>
> > > Subject: Tank Slap
> > > Date: Thu, 13 Jun 2002 19:05:04 +0100
> > >
> > > Chris,
> > >           You shouldn't get a tank slapper on an RS or ST,  the
> wheelbase,
> > > steering geometry and very rigid frame make my RS (same frame
> > > as ST) as stable as a rock, and it has a reputation for being so.  You
> > only
> > > get tank slappers with very quick steering bikes nowadays and
> > > stiill I believe that something is out of line to cause it, or
> > > manufacturers would fit steering dampers as standard equipment.  I
> believe
> > > that the steering on the RS is quicker than an ST due to higher back
> wheel
> > > ride height making the effective rake of the forks steeper.
> > >
> > > Reasons
> > >
> > > 1)  It's been pranged and something is out of line.  You don't say if
> you
> > > have had the bike from new and some frames can be straightened, good
> > enough
> > > to fool the next buyer and your local 'Mr Straightenit's' jig but not
> good
> > > enough to stop tankslappers.    Could have been dropped and therefore
is
> > > out of line.  This is the most serious cause.
> > >
> > > 2)  Check that the back wheel is not out of line.  On chain adjustment
> you
> > > could have the back wheel 'on different notches on each side'
> > >
> > > 3)  What is the mileage, check head bearings for play, check forks for
> > > play, check wheel bearings for play, check swing arm bushes for play.
> > > These allow things to move out of line.
> > >
> > > I have never known a new bike, sold without a steering damper get the
> > > wobbles.   I did once have a bike that somersaulted down the road
after
> I
> > > flipped it in the wet and although it looked all OK, at about 80mph it
> > > could suddenly go into a vicious wobble that I found quite
frightening.
> > >
> > > Nick.
> > >
> > >
> > >      *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *
> *
> > *
> > >       The ST/RS Mailing list is sponsored by Jack Lilley Ltd.
> > >           http://www.TriumphNet.com/st/lilley for more info
> > >    http://www.TriumphNet.com/st for ST, RS and Mailing List info
> >
> >
> >      *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *
*
> *
> >       The ST/RS Mailing list is sponsored by Jack Lilley Ltd.
> >           http://www.TriumphNet.com/st/lilley for more info
> >    http://www.TriumphNet.com/st for ST, RS and Mailing List info
>
>
>      *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *
*
>       The ST/RS Mailing list is sponsored by Jack Lilley Ltd.
>           http://www.TriumphNet.com/st/lilley for more info
>    http://www.TriumphNet.com/st for ST, RS and Mailing List info
>


     *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *   *
      The ST/RS Mailing list is sponsored by Jack Lilley Ltd.
          http://www.TriumphNet.com/st/lilley for more info
   http://www.TriumphNet.com/st for ST, RS and Mailing List info

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