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Steam & Excursion > IAIS 210-2 speedometer redlines at 50 mph!Date: 12/01/15 17:46 IAIS 210-2 speedometer redlines at 50 mph! Author: slacks On a run back to Newton Ia a few years ago, steam train stopped for servicing at Iowa City. Crew allowed fans into the cab. I liked the speedo in red at 50mph. Don,t know if it ever hit 50, maybe someone knows? Engineers side is on port side.
   Date: 12/01/15 18:02 Re: IAIS 210-2 speedometer redlines at 50 mph! Author: Tominde Don't know about the 50. But I sure wish they were utilized a whole lot more.
Date: 12/01/15 18:39 Re: IAIS 210-2 speedometer redlines at 50 mph! Author: BigSkyBlue Is tha normal speed limit on IAIS more than 40 MPH? BSB
Date: 12/01/15 19:24 Re: IAIS 210-2 speedometer redlines at 50 mph! Author: tomstp I have forgotten, what is the driver size on those engines. I want to say 58".
Date: 12/01/15 22:43 Re: IAIS 210-2 speedometer redlines at 50 mph! Author: Margaret_SP_fan toomstp ---
59.06 inches (1,500 mm). You were really close! According to Wikipedia: These QJs have 59.06-inch (1,500 mm) drivers. They run at 213 psi, and their maximum speed is, indeed, 50 mph. With drivers that small, they had to have been built for drag freight service.. They were never intended to be speedy. Their cylinders are about 25-1/2 inches by about 31-1/2 inches, and they develop about 3,500 hp at 41 mph. Date: 12/02/15 06:15 Re: IAIS 210-2 speedometer redlines at 50 mph! Author: tomstp Thanks Margaret.
Date: 12/02/15 16:34 Re: IAIS 210-2 speedometer redlines at 50 mph! Author: AndyBrown BigSkyBlue Wrote:
------------------------------------------------------- > Is tha normal speed limit on IAIS more than 40 > MPH? Timetable speed is 40 mph but passenger trains are usually given a bulletin authorizing 5 mph over. I'd have to guess that engineer Sandberg was going close to 50 at the West Liberty runby during Train Festival in July 2011. It was quite a spectacle. Andy |