In the infant days of the S scale renaissance, Mr. Claud Wade tried to get the NMRA to approve a 6-degree tread angle instead of the standard 3-degree angle, claiming it would perform better on the sharper curves. They did not go along with this, excessively deviated from standards. Not as unrelated to current discussion as we would first think, maybe. .
Dave Engle --- On Sun, 7/7/13, Paul Vaughn <[email protected]> wrote: From: Paul Vaughn <[email protected]> Subject: Re: {S-Scale List} Wheel Aizes To: "[email protected]" <[email protected]> Date: Sunday, July 7, 2013, 5:36 PM David: Thanks for the info Paul Vaughn From: David Engle <[email protected]> To: [email protected] Sent: Sunday, July 7, 2013 2:01 PM Subject: Re: {S-Scale List} Wheel Aizes I remember being told years ago that they had 7-inch wide treads. Dave Engle --- On Sun, 7/7/13, Paul Vaughn <[email protected]> wrote: From: Paul Vaughn <[email protected]> Subject: Re: {S-Scale List} Wheel Aizes To: "[email protected]" <[email protected]> Date: Sunday, July 7, 2013, 3:31 PM Hi Bill: that just supports my contension that Proto anything is a bunch of hooy. Thanks for sharing the photo. Is there anyone close to the loco that could measure the wheel width on the 2-10-0? I would like to know. Thanks Paul Vaughn From: scale S only <[email protected]> To: [email protected] Sent: Sunday, July 7, 2013 12:44 PM Subject: Re: {S-Scale List} Wheel Aizes [1 Attachment] [Attachment(s) from scale S only included below] Hi Paul -- Don’t forget the regauged Russian 2-10-0s where the driver centers remained at a 5’ gauge and wider tires were applied with the flange set inward to the 4’ 8-1/2” gauge of the US. This would mean that the tire width has to be at least 1-3/4” wider than the “standard”. This caused trouble with the 2-10-0 that traveled to the Illinois RR museum when it crossed a self guarding frog and the wheels climbed up and over the raised part of the frog. The 2-10-0 in Saint Louis (photo) was not measured, but you can see in the photo how far beyond the railhead the drivers extend, as opposed to the tender and lead truck wheels. Have fun! Bill Winans --------------------------------- All: The real RRs use different wheel sizes. There is a 125 ton Shay in Shelton, WA that has 7.5" wheel width as I measured them my self! That works to be a code 117 wheel width in S. So Proto that! Paul Vaughn From: richgajnak <[email protected]> To: [email protected] Sent: Sunday, July 7, 2013 7:33 AM Subject: {S-Scale List} Re: Wheel standards 1 of 1 Photo(s) 032.JPG
