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.
Best option for a Terrier
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Re: Best option for a Terrier
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.
Have you a drawing of the set up or point me in the right direction to find it.
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Re: Best option for a Terrier
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.
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Re: Best option for a Terrier
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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Re: Best option for a Terrier
And keep on reading, save me having to have my say again too.
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