Crossing gates

Discuss park gauge trains and large scale miniature railways having track gauges from 8" to 24" gauge and designed at scales of 2" to the foot or greater - whether modeled for personal use, or purpose built for amusement park operation or private railroading.

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Topics may include: antique park gauge train restoration, preservation, and history; building new grand scale equipment from scratch; large scale miniature railway construction, maintenance, and safe operation; fallen flags; track, gauge, and equipment standards; grand scale vendor offerings; and, compiling an on-line motive power roster.
Geochurchi
Posts: 153
Joined: Mon Feb 22, 2021 7:49 am
Location: Concord ,NH / Naples, Fl

Re: Crossing gates

Post by Geochurchi »

OK, I Googled a dash pot, so I have an idea how it would work.
Thanks
Geo 🇺🇸
If it ain’t broken keep working on it until it is .
Geo 🇺🇸
Bob D.
Posts: 381
Joined: Thu Jun 21, 2012 10:43 pm
Location: Saco, ME. USA

Re: Crossing gates

Post by Bob D. »

It looks like you have flow control valves on the air cylinder. Try reducing the exhaust side of the cylinder when the gate goes down to slow things down and reduce bounce. Look for the screw head on the air fitting where the tubing attaches.
3/4" Juliet II 0-4-0
3/4" Purinton Mogul "Pogo"
3/4" Hall Class 10 wheeler
3/4" Evans Caribou/Buffalo 2-8-0
3/4" Sweet Violet 0-4-0
3/4" Hunslet 4-6-0
3/4" Kozo A3. Delayed construction project

1 1/2" A5 Camelback 0-4-0
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NP317
Posts: 4551
Joined: Tue Jun 24, 2014 2:57 pm
Location: Northern Oregon, USA

Re: Crossing gates

Post by NP317 »

A dash pit is a shock absorber.
RussN
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