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Dapol OO gauge Pendolino Traction Tyres

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Riddles

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Jan 27, 2011, 7:01:48 PM1/27/11
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I have just checked my old Pendolino, which always was a rough runner, and
was reminded that I had removed the damaged remnants of the traction tyres
as a result of reading that this would improve conductivity.

It may have improved current flow but did absolutely nothing for smooth
running as the groove in the wheels is so wide.

I would like to obtain replacement tyres but as they are not available from
Dapol, I am wondering whether anyone knows from personal experience, which
other make might fit.

I had thought of trying Hornby traction tyres but there is a bewilderingly
wide range such as M1144, S8318, X5856, X6030, X6121, X8030, X8063, X8101,
X8331, X8439, X8442, X8461, X9064, X9721 X9238,

Fitted, their diameter would appear to be 9.9mm internal, 11.0mm external,
so a slightly smaller size would probably stretch to fit.

I have also considered filling the groove with Bullfrog Snot but I cannot
find a UK supplier at present. The former eBay supplier seems to have
disappeared.

Any help will be gratefully received.

Dave W

Alan Dawes

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Jan 28, 2011, 8:29:27 AM1/28/11
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In article <iht11d$asb$1...@news.eternal-september.org>,

Riddles <railhome...@privacy.net> wrote:
> I have just checked my old Pendolino, which always was a rough runner,
> and was reminded that I had removed the damaged remnants of the
> traction tyres as a result of reading that this would improve
> conductivity.

> It may have improved current flow but did absolutely nothing for smooth
> running as the groove in the wheels is so wide.

SNIP - I cann't help on replacement tyres

> I have also considered filling the groove with Bullfrog Snot but I
> cannot find a UK supplier at present. The former eBay supplier seems to
> have disappeared.

Have you thought of using an electically conductive epoxy resin to fill
the grooves eg:

http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=1863616

A bit expensive and you will need to reprofile the wheels, but should also
improve electrical pickup.

Alan

--
alan....@argonet.co.uk
alan....@riscos.org
Using an Acorn RiscPC

Riddles

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Jan 28, 2011, 9:18:00 AM1/28/11
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From: "Alan Dawes" <alan....@argonet.co.uk>
Sent: Friday, January 28, 2011 1:29 PM
Newsgroups: uk.rec.models.rail
Subject: Re: Dapol OO gauge Pendolino Traction Tyres

> In article <iht11d$asb$1...@news.eternal-september.org>,
> Riddles <railhome...@privacy.net> wrote:
>> I have just checked my old Pendolino, which always was a rough runner,
>> and was reminded that I had removed the damaged remnants of the
>> traction tyres as a result of reading that this would improve
>> conductivity.
>
>> It may have improved current flow but did absolutely nothing for smooth
>> running as the groove in the wheels is so wide.
>

> SNIP - I can't help on replacement tyres


>
>> I have also considered filling the groove with Bullfrog Snot but I
>> cannot find a UK supplier at present. The former eBay supplier seems to
>> have disappeared.
>
> Have you thought of using an electically conductive epoxy resin to fill
> the grooves eg:
>
> http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=1863616
>
> A bit expensive and you will need to reprofile the wheels, but should also
> improve electrical pickup.
>
> Alan


Thanks for the suggestion Alan.

At £42.80 a shot, it's probably about as much as the unit is worth. At the
moment I am experimenting with heat shrink tubing. Unfortunately a perfect
insulator, but probably no worse than the rubber/neoprene originals although
not such a good grip.

Dave W

simon

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Jan 28, 2011, 3:52:16 PM1/28/11
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"Riddles" <railhome...@privacy.net> wrote in message
news:ihuj6r$tbm$1...@news.eternal-september.org...

Can you get replacements, any old diesels use same size/fittings ?
Sure I saw an ad or review of Bullfrog Snot (remember it was called Snot but
not the Bullfrog bit) in one of the model mags in the last couple of months
so perhaps theres a new supplier.

Cheers,
Simon

Riddles

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Jan 28, 2011, 7:14:49 PM1/28/11
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"simon" <nos...@nospam.com> wrote in message
news:sKCdnfBfq-wVsd7Q...@bt.com...

>SNIP>

> Can you get replacements, any old diesels use same size/fittings ?
> Sure I saw an ad or review of Bullfrog Snot (remember it was called Snot
> but not the Bullfrog bit) in one of the model mags in the last couple of
> months so perhaps theres a new supplier.
>
> Cheers,
> Simon

Thank you Simon but my original post did ask if anyone knew which other
loco's tyres would fit.

Greg Procter

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Jan 28, 2011, 8:40:52 PM1/28/11
to


Hi Dave,

I've had European models since 1959, almost all with traction tyres.

I keep a small supply of Marklin tyres (three sizes available, from
large wheeled steam down to Dieasels) which fit almost everything
and almost never wear out.
Some brands use a smaller cross section tyre and for those I use Roco
tyres. Roco does about 5 different diameters in two thicknesses.
Again, they last almost forever unless badly abused with sharp
impliments.

Greg.P.
NZ

simon

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Jan 29, 2011, 3:08:59 AM1/29/11
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"Riddles" <railhome...@privacy.net> wrote in message
news:ihvm5r$ppn$1...@news.eternal-september.org...

Tis a pleasure. My post was intended to broaden the topic in the hope
generate answers for my own use.
Wellcome to usenet - its not just about you :-)

Cheers,
Simon

Riddles

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Jan 29, 2011, 6:05:00 AM1/29/11
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"Greg Procter" <pro...@ihug.co.nz> wrote in message
news:4D437024...@ihug.co.nz...
>SNIP


> Hi Dave,
>
> I've had European models since 1959, almost all with traction tyres.
>
> I keep a small supply of Marklin tyres (three sizes available, from
> large wheeled steam down to Dieasels) which fit almost everything
> and almost never wear out.
> Some brands use a smaller cross section tyre and for those I use Roco
> tyres. Roco does about 5 different diameters in two thicknesses.
> Again, they last almost forever unless badly abused with sharp
> impliments.
>
> Greg.P.
> NZ

Thanks Greg,

When I am next near a Roco/Marklin dealer I must try to get a small
selection.
Hopefully someone at the Glasgow show at the end of the month will be able
to help.

Dave W.

Alan Dawes

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Jan 30, 2011, 8:41:21 AM1/30/11
to
In article <iht11d$asb$1...@news.eternal-september.org>,
Riddles <railhome...@privacy.net> wrote:
> I would like to obtain replacement tyres but as they are not available
> from Dapol, I am wondering whether anyone knows from personal
> experience, which other make might fit.

A couple of years ago I was in the Engine Shed model railway shop in
Leytonstone and was able to get some traction tyres for an old Dapol O-4-2
tank - at that time he had quite a selection of spares. You could try
ringing 02085393950 to see if he has what you need.
http://www.ukmodelshops.co.uk/shops/140-The_Engine_Shed

Riddles

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Feb 1, 2011, 1:41:58 PM2/1/11
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Thanks to everybody who provided potentially useful suggestions.

I have now discovered that Lima (Italy) tyres can be fitted. There are only
2 sizes, and it is the small ones which fit. In actual fact I needed to put
two on each wheel but this has worked well.

My eBay supplier was "dopeysam", actually Kenneth Taylor, who provided a
very quick service.

Searching eBay for "Lima Traction Tyres" failed to find him but simply "Lima
Tyres" did.

I have no connection with Mr Taylor other than as a very satisfied customer

Greg Procter

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Feb 1, 2011, 3:50:31 PM2/1/11
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The pre-Hornby traction tyres were attrocious! They added very little to
the
tractive effort of Lima's locomotives and had a relatively limited
lifespan.
Ma and Roco are much superior.

Greg.P.
NZ

Riddles

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Feb 2, 2011, 6:09:19 AM2/2/11
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"Greg Procter" <pro...@ihug.co.nz> wrote in message

news:4D487217...@ihug.co.nz...
Snip


> The pre-Hornby traction tyres were attrocious! They added very little to
> the
> tractive effort of Lima's locomotives and had a relatively limited
> lifespan.
> Ma and Roco are much superior.
>
> Greg.P.
> NZ

I am sure you are right Greg but it was rather easier to find the Lima sized
replacements to try, than a selection of Marklin/Roco.

It surprises me that the situation is different in New Zealand.

The replacements I have obtained seem rather more durable than those from
Vicenza but it remains to be seen how long they last. At least the Pendo
will now run.

Dave W.

Greg Procter

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Feb 2, 2011, 8:49:24 PM2/2/11
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I buy from Britain, Germany and the US, depending on what the item is.
Because there are so few NZ shops and they stock so little at high
prices,
I tend to stock-pile things like tyres, fishplates ...

Greg.P.

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