Search found 278 matches

by daves1459
Mon Jan 24, 2022 7:43 pm
Forum: Live Steam
Topic: Driver Thrust Bearing
Replies: 77
Views: 24623

Re: Driver Thrust Bearing

Hello Scotty and thanks for your ideas, The railroad is a folded dog bone shape with approximately an equal amount of right and left curves.. The loco is an old time type 4-4-0 with a deep fire box that is near the axles so there is likely some heating. How much I do not know. I going to use grease ...
by daves1459
Sun Jan 23, 2022 8:35 pm
Forum: Live Steam
Topic: Driver Thrust Bearing
Replies: 77
Views: 24623

Re: Driver Thrust Bearing

Bill S said: "What I always check is axle positioning with the axles in place and all the journals pushed FORWARD in the running position. This is what is important in the long run...not the frames." I emphasize his comments. The actual axle positions relative to the frames are what count...
by daves1459
Sat Jan 22, 2022 5:31 pm
Forum: Live Steam
Topic: Driver Thrust Bearing
Replies: 77
Views: 24623

Re: Driver Thrust Bearing

I forgot to attach the photos
by daves1459
Sat Jan 22, 2022 5:25 pm
Forum: Live Steam
Topic: Driver Thrust Bearing
Replies: 77
Views: 24623

Re: Driver Thrust Bearing

Since alignment and squareness have become a point of discussion I did some surveying today. First I checked the squareness of the front face of the lead axle pedestals. I clamped a precision square to the right outside face and placed a .005" shim between the square blade and right pedestal fr...
by daves1459
Wed Jan 19, 2022 7:40 pm
Forum: Live Steam
Topic: Driver Thrust Bearing
Replies: 77
Views: 24623

Re: Driver Thrust Bearing

I would look at front axle travel side to side and track radius From my experience I think your driver side to side is a bit on the tight side...and you may be binding on corners if you do not have enough lead truck side travel. Question...before you added the extra weight ...we're you having troub...
by daves1459
Wed Jan 19, 2022 1:18 am
Forum: Live Steam
Topic: Driver Thrust Bearing
Replies: 77
Views: 24623

Re: Driver Thrust Bearing

The loco is Disney 4-4-0 design and castings dating from 1953. I do not know if the axles are square to frame. But, now that is a concern will find out. The axles are out of parallel by the .012" I mentioned. The front axle with valve eccentrics has about .025 side clearance, .0125" per si...
by daves1459
Tue Jan 18, 2022 10:09 pm
Forum: Live Steam
Topic: Driver Thrust Bearing
Replies: 77
Views: 24623

Re: Driver Thrust Bearing

Thank you everyone for your suggestions and insights. Good information. I have also wondered why so much wear occurred over one summer with just 26 miles of travel. All running was done at one track that is a folded dog bone layout with a minimum radius 60 feet. One lap around the layout has about a...
by daves1459
Sun Jan 16, 2022 4:45 pm
Forum: Live Steam
Topic: Driver Thrust Bearing
Replies: 77
Views: 24623

Driver Thrust Bearing

Last winter 2020/2021 I dropped the drivers of my Disney 4-4-0 to replace the original cast bronze journal boxes with steel boxes and guided needle roller bearings, two bearing per journal. I added harden sleeves on the axles in the journal area and cylindrical ground them to size. During last summe...
by daves1459
Sat Jan 08, 2022 7:32 pm
Forum: Live Steam
Topic: Head spacing or clearance
Replies: 5
Views: 3439

Re: Head spacing or clearance

Any space is a waste of steam that has to be filled and emptied each stroke. Therefore the closer the better. However, stack up of part dimensions and expansion/contraction for a cold to hot engine needs to be considered. I use .050" for engines the size you describe.

Dave
by daves1459
Wed Nov 24, 2021 9:24 pm
Forum: Live Steam
Topic: Terry Welshans
Replies: 0
Views: 8576

Terry Welshans

Does anyone know the status of Terry Welshans? I believe he has the 7 1/2" gauge portion of Winton Brown's business, or at least a portion of it. I purchased castings for Winton's 1/1/2" scale Westinghouse 9 1/2" air pump from him several years ago and would like to get more castings....
by daves1459
Thu Oct 07, 2021 9:14 pm
Forum: Live Steam
Topic: Help with Value on several 1.5" scale Steam Pumps
Replies: 8
Views: 4577

Re: Help with Value on several 1.5" scale Steam Pumps

I'm pretty sure they are Winton Engineering pumps. Castings and drawings were available for both air and water versions. The arrangement on top valve system was was very complex and difficult to make. How much do you want for the pump with "BAD" written on it?

Dave
by daves1459
Thu Sep 30, 2021 9:27 pm
Forum: Live Steam
Topic: Help with Value on several 1.5" scale Steam Pumps
Replies: 8
Views: 4577

Re: Help with Value on several Steam Pumps

The four completed pumps on the right of the picture look like they could be Winton Engineering pumps. If you can supply a photo of the back side I can be more definite.

Dave