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Bridge build competition - Bridges, Tunnels & Roads - The Prototype Photograph Archive. - Your Model Railway Club
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 Posted: Sat Jan 27th, 2018 02:01 am
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g0ibi
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I built this small 3'x 6" module as part of a bridge building competition.Quite pleased with it, any comments??

Ron








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 Posted: Sat Jan 27th, 2018 02:05 am
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MaxSouthOz
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It looks good, Ron.  Did you win?

What was your construction method?

Cheers



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 Posted: Sat Jan 27th, 2018 03:13 am
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g0ibi
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It's not been judged yet!
Traditional methods, cardboard lathes with Plaster bandage and the river bed was made from some plaster of paris which had set in the bag looking like rocks and rubble!!

Cheers

Ron



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 Posted: Sat Jan 27th, 2018 05:12 pm
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Barchester
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Looks good Ron, good luck with the competition. What scale is it ?  
Cheers

  Matt

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 Posted: Sat Jan 27th, 2018 05:30 pm
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g0ibi
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7mm narrow gauge Matt  :)



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 Posted: Sat Jan 27th, 2018 07:19 pm
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BCDR
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Hi Ron,

Looks good. Is this supposed to be a Warren type truss bridge, or are the sides meant to be barriers and just stop things falling off? As this is O scale how about some plates and rivet heads or bolts/nuts/washers (if you have time).

Nigel



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 Posted: Sat Jan 27th, 2018 08:29 pm
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g0ibi
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It's a fictional bridge and rivets are a step to far!  :It's a no no



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 Posted: Sat Jan 27th, 2018 11:06 pm
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BCDR
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Hi Ron,

Definitely a Warren Truss design (even though you freelanced it). Might be called something else where you are. All those metal framing girders (or wood) are designed to prevent deflection of the deck on which the track sits by resisting the downward forces when a train is crossing. Wivets (metal) and NBWs (wood) may just get you the podium. If metal construction some gusset plates as well (that get's you the golden spike).

Nigel


https://howbridgeswork.weebly.com/truss-bridge.html



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 Posted: Sun Jan 28th, 2018 12:13 am
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g0ibi
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Well you live and learn Nigel, it's a wooden, laser cut bridge so I can escape without rivets! 
Thanks
Ron



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 Posted: Sun Jan 28th, 2018 02:28 am
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Barchester
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Come  on now Ron That's not the winning attitude !   All you need is a pair of tweezers, magnifying glass and a bag of rivets, It will be. . . . . . . . .  Riveting !!   :mutley        7mm narrow gauge, is that a smallbrook kit or scratch built ?  I've got some smallbrook kits to build, I took one out of the bag last week to see where I could fit a decoder. .. then quietly put it back in the bag for next week. . . or the week after. ..  mebbe the week after that   :hmm
Cheers
  Matt

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 Posted: Sun Jan 28th, 2018 04:02 am
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g0ibi
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Yes Matt, a Smallbrook conversion.  I have 2 loco's and a few wagons so far but I don't have room for a layout as yet.I have an OO gauge layout,Sheringbourne and a US HO layout called Rush City yard filling my shed!!

Decisions decisions!!

Cheers
Ron  

PS No rivets!  :sad:



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