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Home   Forums   Events Calendar   Sponsors   Support the RRLine   Guestbook   FAQ     Register Active Topics | Active Polls | Resources | Members | Online Users | Live Chat | Avatar Legend | Search | Statistics Photo Album | File Lister | File Library [ Active Members: 4 | Anonymous Members: 0 | Guests: 199 ]  [ Total: 203 ]  [ Newest Member: Dragonborn ]  All Forums  Model Railroad Forums  The On30 Line  Wooden Tunnel Portals Next Page  New Topic |    New Poll |   Reply to Topic |  Author Topic Page: 1 2 of 2 Tommatthews Engineer Premium Member Posted - 03/05/2009 :  11:57:06 AM     Following the progress of Jerry M. layout has inspired me to get back to some landscaping on my layout. I would like to build several wooden tunnel portals. Can someone share some pictures, plans and dimensions that might work in our 0N30 world. I had some plans but they are safely stored away ... somewhere .. Tom M. Country: | Posts: 9572 hminky Fireman Posted - 03/05/2009 :  12:34:56 PM       I have my old On30 tunnel based on an OR&W tunnel: Visit: http://www.pacificcoastairlinerr.com/ng_tunnel/opening/ Thank you if you visit Harold Country: | Posts: 1200 mabloodhound Fireman Posted - 03/05/2009 :  1:43:22 PM     I like the products by Hunterline and they have a timber postal in "S" scale that will work for On30. http://www.hunterline.com/ scroll down the page Country: USA | Posts: 6703 Tommatthews Engineer Premium Member Posted - 03/05/2009 :  2:43:10 PM     Hunterline makes a good product, however, I wish to scratch build. I have the wood ... now some plans and a little work ... Harold, I like both portals. Do you have measurements on the style Jerry M. has built .... Tom M. Country: | Posts: 9572 visman48 Fireman Posted - 03/05/2009 :  2:43:18 PM         Tom I like the hunter tunnels too..but I went with a fairly rugged looking wood resin casting from DR Bens. Neat looking no liner. Les Country: USA | Posts: 6031 Bill Uffelman Fireman Posted - 03/05/2009 :  3:59:22 PM     Some are wood some are rock soem are concrete but here's the list: http://index.mrmag.com/tm.exe?opt=S&cmdtext=+tunnel+portal&MAG=ANY&output=3&sort=A Figure 12 x 12 timber and 3 or 4 x 12 planks. Bill Uffelman Usually Las Vegas NV Country: USA | Posts: 1105 desertdrover Engineer Posted - 03/05/2009 :  7:50:42 PM     Tom, Here are some tunnel dimensions; You'll have to come up with your scale measurements. If interested, you can build with this; Into this. Just let me know and I can email you a pdf on building it. Louis Pacific Northwest Logging in the East Coast Post count: 5000 posts added to below count. Edited by - desertdrover on 03/05/2009 7:55:20 PM Country: USA | Posts: 16154 Tommatthews Engineer Premium Member Posted - 03/06/2009 :  12:30:20 PM     Louis and Harold, Thank you ... I'll work-up some card board mock-ups to see how they look and fit Tom M. Country: | Posts: 9572 Tommatthews Engineer Premium Member Posted - 03/06/2009 :  5:31:30 PM     I made up a card board mock-up of a Harold tunnel and one of a Louis tunnel: The Harold tunnel us 4 1/4 inches high on the inside: The Louis tunnel is 4 inches high on the inside: This is the corner of my layout that I want the mountain with the tunnels: The scene will be light logging and a hunting camp. Just a backwoods area .... There will be a switch back going into the area as seen on the back right wall .. Tom M. Country: | Posts: 9572 silveradonorthern Crew Chief Premium Member Posted - 03/06/2009 :  6:40:42 PM     Hi Tom, You might want to have a look at this portal for some design ideas. http://www.sceneryexpress.com/prodinfo.asp?number=FL6195 I love the look of this portal but like you want to scratch build mine. Over a year ago I drew out in CAD a basic design. My opening demensions are the same as Louis (desertdrover) the only difference is my overall width and height are 24' After looking a his plans I might drop down to the 20' mark. Good luck on the project Michael Country: USA | Posts: 663 hminky Fireman Posted - 03/06/2009 :  7:00:02 PM       My original On30 tunnel was the S scale version of the one Scenic Express sells: I replaced it with the Ohio River and Western version because the OR&W tunnel looked more narrow gaugish. I have never seen a proto portal like the Scenics Express, etc. Harold Country: | Posts: 1200 Tommatthews Engineer Premium Member Posted - 03/06/2009 :  8:11:41 PM     Harold, I am going with one of each type of portal ... I like your O.R. & Y and will scratch build it to the best of my ability .... Pictures will follow .... Tom M. Country: | Posts: 9572 Sodbuster Fireman Posted - 03/06/2009 :  10:50:42 PM     Tom, I used Harold's design for the liner and built a facia like Louis posted. It sure made a dandy tunnel portal! "X-4" ! Country: USA | Posts: 2284 Tommatthews Engineer Premium Member Posted - 03/12/2009 :  4:49:10 PM     Here are some promised pictures: Louis style: Harold's style: Close to where they will be installed: Tom M. Country: | Posts: 9572 Sodbuster Fireman Posted - 03/12/2009 :  6:52:04 PM     Mighty fine Tom! Country: USA | Posts: 2284 Frederic Testard Engineer Premium Member Posted - 03/12/2009 :  7:02:08 PM     Nice portals, Tom. And the switch in the foreground of the last picture looks very good too. Great track color. 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