Russo Loco Wrote:
>
>
> It was quite common for a smaller-drivered but
> often more powerful "freight" locomotive to help a
> "passenger" engine with less t.e. but potentially
> greater speed overcome a steep grade — see
> the first photo on
> [
ngdiscussion.net]
> 73286 for a classic example. Out west on the
> S.P. standard gauge line slow but powerful
> 2-10-2's with 63" drivers were the usual helper
> power coupled in front of the much faster
> 80"-drivered Daylight 4-8-4's for the climb up
> Cuesta Grade north of San Luis Obispo.
Thank you for your reply. 315 doubled with a k-38 on Saturday and they have different sized drivers. I will sure try to make it out when 315 and 168 do double head. Perhaps next year for the pre 1900 event in August.