Author Topic: New Mills Pumping Station  (Read 25674 times)

Offline Roger B

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Re: New Mills Pumping Station
« Reply #225 on: February 09, 2022, 06:52:57 PM »
Your Perspex modelling idea is good  :ThumbsUp:  :ThumbsUp: When I started my first engine after my return to engineering I made a trial crankshaft from aluminium as it was easier to machine than moderate carbon steel  :wine1:
Best regards

Roger

Offline steam guy willy

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Re: New Mills Pumping Station
« Reply #226 on: February 10, 2022, 02:20:51 AM »
Hi Roger , thanks and I have a large amount of perspex thanks to Jarrold's  skip !!!  so as the perspex one is 6 X bigger, will it take 1/6th the time to make the small one ??!!!  so can you scale time ??

Willy

Offline Kim

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Re: New Mills Pumping Station
« Reply #227 on: February 10, 2022, 05:39:30 AM »
so as the perspex one is 6 X bigger, will it take 1/6th the time to make the small one ??!!!  so can you scale time ??

Unfortunately, I think build time scales inversely with size!  :Jester:

Kim

Offline steam guy willy

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Re: New Mills Pumping Station
« Reply #228 on: February 15, 2022, 01:13:59 AM »
So .. I have made the slides and they are made from two parts silver soldered together.  before they are joined together the outside part is centre popped to provide a small gap for the solder to penetrate the parts ...  I visited the pump station and took more photos  and one shows the model with the prototype behind it !! also a close up of the slides with a brass part that is surrounding the central pin   ?? however this dose'nt seem to have a function apart from being easy to remove if any wear takes place due to the movement of it .

Offline crueby

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Re: New Mills Pumping Station
« Reply #229 on: February 15, 2022, 02:21:17 AM »
Great to see it with its big brother.


Could the brass bushing on the crosshead pin be there just in case there is any slight misalignment in the guide to the cylinder? As the guide bearings wear, the pin would lower a fraction maybe.

Offline Don1966

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Re: New Mills Pumping Station
« Reply #230 on: February 15, 2022, 04:39:22 AM »
Looking great Willy ….. :ThumbsUp:   I think your about to wear out that file…. :lolb:

 :cheers:
DON

Offline steam guy willy

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Re: New Mills Pumping Station
« Reply #231 on: February 15, 2022, 12:51:01 PM »
Thanks Chris and Don ,  yes that may a good reason , also most of these 19th C engines were pretty well over engineered which is why they last for such a long time ?!!

Willy

Offline steam guy willy

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Re: New Mills Pumping Station
« Reply #232 on: February 18, 2022, 02:13:47 AM »
Starting on the crosshead block and I have drawn it out with the dimensions and have started with some 3/8th rod ...this is tapped 6BA and I have drawn out a filing chart to produce the profile. the rod is held in this hardened jig and filed to size using the digital vernier to get the correct dimensions ...

Willy

Offline steam guy willy

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Re: New Mills Pumping Station
« Reply #233 on: February 19, 2022, 02:12:14 AM »
The crosshead body is now made  with filing and drilling  and using 12BA bolts . The square drilled holder is handy for swivelling the stock around to get the best angle to saw and file it to size .  managed to survive the 80 MPH winds today but really scary ?!!

Willy

Offline RReid

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Re: New Mills Pumping Station
« Reply #234 on: February 19, 2022, 02:24:14 AM »
Been thinking about you folks in the UK today. Glad you're OK, Willy.
And nice work, as always. :ThumbsUp:
Regards,
Ron

Offline steam guy willy

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Re: New Mills Pumping Station
« Reply #235 on: February 19, 2022, 02:32:45 AM »
Thanks Ron, and I did have quite a few scary moments..

Offline Admiral_dk

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Re: New Mills Pumping Station
« Reply #236 on: February 19, 2022, 11:38:35 AM »
We where supposed to be hit by it too - but it went by further south - phew.

Several people where killed by it in England, Belgium, France, Holland and Germany as far as I know - so I do understand your worry.

Offline Vixen

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Re: New Mills Pumping Station
« Reply #237 on: February 19, 2022, 12:23:20 PM »
They recorded gusts of 123 MPH (that's almost 200KPH) at the Needles lighthouse yesterday. That's just across the water (Solent) from us. We suffered no storm damage other than some greenhouse glass. The trees surrounding the house were bending double but luckily non fell. I am so pleased I payed the tree surgeon to thin out the top hamper last summer.

Hope everyone else got through the storm OK

Mike
It is the journey that matters, not the destination

Oh! sod the journey, lets hit the bar and pool instead.

Offline steam guy willy

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Re: New Mills Pumping Station
« Reply #238 on: February 19, 2022, 01:44:20 PM »
Hi Mike, I am dreading going to the allotment when it stops raining and the wind dies down as I have three greenhouses and several trees ????!! I use'd to know the lighthouse keeper at the Needles  and he was the last one to leave before it went automatic ... He was reminded on closing the door  to "Leave the light on " ...Please .....!!!

Willy

Offline steam guy willy

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Re: New Mills Pumping Station
« Reply #239 on: February 22, 2022, 02:21:12 AM »
So the crosshead assembly is now connected to the crankshaft and is checked out for the clearances . the set up has been videoed and everything seems to be working ok ...the flywheels will be fixed with saddle keys at a later date ..


 
New Mills compressor station Norwich
Not a valid vimeo URL

  Anyone

Willy
« Last Edit: February 22, 2022, 02:29:55 AM by steam guy willy »