Best option for a Terrier

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proto87stores

Best option for a Terrier

Postby proto87stores » Mon Nov 15, 2021 11:30 pm

Take the simpler midpoint CSB design but modify it to have symmetric fulcrums at 0.33x.

Then use a slightly longer springy beam wire but cut it in the centre so that both centre cut ends overlap and rest together on the centre hornblock.

Now you will have optimal track holding at any loco weight , while you can choose your wire diameter to independently give/adjust your desired amount of springiness without altering the track holding. Although, unless you use almost rigid wire, you will still have to set the fulcrum height to give the correct buffer height fore the wire you use..

Andy

VP of R&D, Ericsson USA. Long Retired.

RAO
Posts: 63
Joined: Sun Dec 17, 2017 8:49 pm

Re: Best option for a Terrier

Postby RAO » Sun Nov 21, 2021 9:44 am

Thank for this information about the simpler midpoint CSB beam.
Have you a drawing of the set up or point me in the right direction to find it.

Winander
Posts: 393
Joined: Thu Mar 20, 2014 12:19 pm

Re: Best option for a Terrier

Postby Winander » Sun Nov 21, 2021 10:34 am

RAO wrote:Thank for this information about the simpler midpoint CSB beam.
Have you a drawing of the set up or point me in the right direction to find it.


Whilst I don't think it shows exactly what Andy is describing, this may give you some ideas http://www.clag.org.uk/beam-annex2.html and you may find exactly what he was describing elsewhere on that useful site.
Richard Hodgson
Organiser Scalefour Virtual Group

RAO
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Joined: Sun Dec 17, 2017 8:49 pm

Re: Best option for a Terrier

Postby RAO » Sun Nov 21, 2021 4:03 pm

fig51.gif
fig51.gif (3.01 KiB) Viewed 380 times


I believe this is the type of arrangement you were referring to?

I'll give both types a go and report back as to which runs the best as I have three to build.

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jim s-w
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Re: Best option for a Terrier

Postby jim s-w » Sun Nov 21, 2021 6:29 pm


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Will L
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Re: Best option for a Terrier

Postby Will L » Mon Nov 22, 2021 8:42 pm

jim s-w wrote:See here viewtopic.php?f=142&t=3805&p=39290&hilit=Jinty#top

About half way down


And keep on reading, save me having to have my say again too.


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