Search found 2826 matches

by cbrew
Mon Oct 14, 2019 2:35 pm
Forum: Live Steam
Topic: Driver machining order
Replies: 15
Views: 723

Re: Driver machining order

this is the order i machine driver castings. 1) using the 4 jaw, mount the castings face in, A) surface the back.[/list] B) drill and bore the axle hole.[/list] C) cut the over all (.05 short of finished of over the flange). D) add the rear flange taper. 2) mount on face plate with arbor (face out),...
by cbrew
Sun Oct 13, 2019 10:07 am
Forum: Live Steam
Topic: 2 1/2” Harris Tee Boiler castings
Replies: 4
Views: 330

Re: 2 1/2” Harris Tee Boiler castings

From what I have seen of John's 20ton. It will Madea great base . Will need to mod the frame if you want to use the tee boiler but very do able.
by cbrew
Tue Sep 24, 2019 8:02 am
Forum: Live Steam
Topic: Modified D-valve dimensions from print
Replies: 16
Views: 1626

Re: Modified D-valve dimensions from print

Morning Mike,
sounds like you have the understanding.
the lap is constant (this number is set elsewhere), C (block) needs to match C (valve) and P (block) needs to match P (valve) plus Lap.
by cbrew
Mon Sep 23, 2019 10:21 pm
Forum: Live Steam
Topic: Modified D-valve dimensions from print
Replies: 16
Views: 1626

Re: Modified D-valve dimensions from print

the prints should have notes on this topic. did you see the notes?
by cbrew
Fri Sep 20, 2019 12:06 pm
Forum: Live Steam
Topic: blind driver
Replies: 13
Views: 2141

Re: blind driver

the extra "width" of the thread gained with the missing flange has proven to more then enough to run my ten wheeler around a 25 foot radius.
i wouldn't worry too much about that unless you plan on removing the flange on both middle axles.
by cbrew
Tue Sep 17, 2019 12:53 pm
Forum: Live Steam
Topic: 3 Boiler tri cocks ?
Replies: 14
Views: 1745

Re: 3 Boiler pet cocks ?

Thanks guys. Kudos to Andy for mentioning a use for the middle cock. Some recess of my memory cells vaguely has opened up to recall the middle position as useful...now I know why. One followup- the lower sight glass valve is mounted substantially below the lower pet cock. Is it true this was the ol...
by cbrew
Tue Sep 17, 2019 11:50 am
Forum: Live Steam
Topic: 3 Boiler tri cocks ?
Replies: 14
Views: 1745

Re: 3 Boiler pet cocks ?

^^ What he said ,
imho, they are all but useless with these smaller boilers. unless you want them for the "look" I would replace them in favor of a second glass.
but with proper procedures a single glass will do the job
by cbrew
Sun Sep 15, 2019 9:28 pm
Forum: Live Steam
Topic: blind driver
Replies: 13
Views: 2141

Re: blind driver

Being number 2 driver, i can not see it effecting anything, I had the rear driver rub on a boiler stay on the allen american when i broke a bolt on the front leaf spring, grinding the flange thin, it ran that way for 3 years before it was time to shoe the old gal. I say run it, and when its time,, s...
by cbrew
Sun Sep 15, 2019 6:35 pm
Forum: Live Steam
Topic: blind driver
Replies: 13
Views: 2141

Re: blind driver

is the flange damage on the back of the flange? if so, i would not worry about it and run it.
attached is the thread profile i used on my ten wheeler with a center blind drivers
img075.jpg
by cbrew
Thu Aug 29, 2019 12:07 pm
Forum: Live Steam
Topic: Throttle / Regulator
Replies: 3
Views: 1005

Re: Throttle / Regulator

no, never seen that either. having a chest gauge and knowing how to handle the throttle, its easy enough to manually regulate the pressure. just watch the gauge and listen to the beast
by cbrew
Wed Aug 21, 2019 1:06 pm
Forum: Live Steam
Topic: Walschaert Eccentric Key
Replies: 9
Views: 1790

Re: Walschaert Eccentric Key

dnevil wrote:
Wed Aug 21, 2019 9:05 am
My question is as follows. Is it common to also key the crank pin to the wheel to prevent the pin from rotating and throwing the valve timing off?
Thanks,
Daris
I would be say YES.
this is more important than keying the eccentric crank to the pin,
by cbrew
Tue Aug 20, 2019 7:34 pm
Forum: Live Steam
Topic: injector problem
Replies: 16
Views: 2211

Re: injector problem

also, have you tried swapping the two injectors to see if the problem follows?