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D9009 Alycidon

Discussion in 'Diesel & Electric Traction' started by neildimmer, Apr 6, 2013.

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  1. D1002

    D1002 Resident of Nat Pres

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    The Capital Deltic Reprise, 55009 Alycidon, 29th July 2023.
    Filmed at Woolmer Green Junction and Welham Green:



    Hard to believe I photographed 55016 Gordon Highlander at the same location as the first clip 50 years ago:

    IMG_0322.png
     
    Last edited: Jul 30, 2023
    D1002, Jul 29, 2023
    #61
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  2. Sidmouth

    Sidmouth Resident of Nat Pres Staff Member Moderator

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    out of interest and appreciating that Deltics do throw oil anyway , but is there a cause of the obvious oil leak down the side of 55009 which seems more than normal
     
    Sidmouth, Jul 29, 2023
    #62
  3. Swiss Toni

    Swiss Toni Well-Known Member

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    Swiss Toni, Jul 29, 2023
    #63
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  4. Victor

    Victor Nat Pres stalwart Friend

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    For a railway enthusiast (like wot I am) there's not a much better sight and sound than a Deltic locomotive in good nick and going well.
    Thanks to all for the photos and video clips.
     
    Last edited: Jul 30, 2023
    Victor, Jul 30, 2023
    #64
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  5. guycarr360

    guycarr360 Part of the furniture

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    Shunting before start of tour being blamed for oil usage and exit, a better explanation can be given if required.

    " basically because the engines never have chance to rev and get under load properly so they are just almost idling. As the oil pumps are gear driven and therefore linked directly to engine speed this allows oil to settle in the galleries and journals. Also the engine won't get up to temperature properly so when a sudden demand of power is applied this oil will be forced past the piston rings that haven't properly expanded yet and henceforth oil sprayed out the exhaust."
     
    guycarr360, Jul 31, 2023
    #65
  6. osprey

    osprey Resident of Nat Pres

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    I've never studied the Deltic engine deeply, but realise it is a two stroke engine having exhaust ports not exhaust valves. Surely there must some lubrication oil passing out to atmosphere via the ports?
     
    osprey, Jul 31, 2023
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  7. Eightpot

    Eightpot Resident of Nat Pres Friend

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    When a Deltic arrived at the Kings Cross servicing depot, having come from Edinburgh, it was quite normal to have to add five gallons of engine lubricating oil to each engine.
     
    Eightpot, Jul 31, 2023
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  8. osprey

    osprey Resident of Nat Pres

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    Well
    Wonder where it went?
     
    osprey, Jul 31, 2023
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  9. guycarr360

    guycarr360 Part of the furniture

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    Power Unit 451, split pin broke, and allowed a nut/bolt to come, loose, only repair possible meant lying on top of a red hot engine, so wasnt repaired.
    Power Unit 408 is de-rated due to number of hours.
     
    guycarr360, Aug 1, 2023
    #69
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  10. guycarr360

    guycarr360 Part of the furniture

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    Depot Report - Saturday 5th August 2023
    55009
    Busy day carrying out the 8 points on 55009 from Thursdays Audit. 6 completed and 1 to do, OTMR removed by Dave and to be repaired or replaced with spare.
    No 2 cab Reverser not switching over and could not take power, Bill took the cover off and dry cleaned before cleaning contactor strips. Steve W did the same at the other end. Both now working correctly. Pete checked the load Regulator in No 2 cubicle, after Bill had cleaned it, again Steve did the other end, Pete checked it over then made a slight adjustment and now sits back to zero.
    William checked and closed a slight oil leak and a coolant leak, no leaks shown on running up tests.
    Richie spent some time checking around the prop shafts on the cooling modules especially the top shaft on no 2 to the secondary gear box. The loco has a full set of refurbished & balanced shafts with new UJ Joints and seals
    The loco was run up and all systems worked as they should, just need the OTMR and all is good to go.
     
    guycarr360, Aug 8, 2023
    #70
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  11. guycarr360

    guycarr360 Part of the furniture

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    guycarr360, Aug 24, 2023
    #71
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  12. Victor

    Victor Nat Pres stalwart Friend

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    Bad news, The DPS report that power unit 451 in Alycidon has suffered (their words) 'a complete failure':Banghead: The cause is not known at this time, BUGGA.:(
     
    Victor, Jun 1, 2024
    #72
  13. guycarr360

    guycarr360 Part of the furniture

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    Its the one on high hours, and was already de-rated according to reports, and the reason behind the cancellation for the NYMR visit.

    The second unit, is the same, you wonder if the time is right to look at a rebuild of one, dont know how much the units in RSG have been di-assembled.

    Hope is does not mean one of the Tulyar units becomes a donor, especially when they are so close to pressing the button.
     
    guycarr360, Jun 1, 2024
    #73
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  14. The Green Howards

    The Green Howards Nat Pres stalwart

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    The Green Howards, Jun 1, 2024
    #74
  15. The Green Howards

    The Green Howards Nat Pres stalwart

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    Further information on the failure of p/u 451:

    https://www.thedps.co.uk/post/depot-report-saturday-1st-june-2024
     
    The Green Howards, Jun 1, 2024
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  16. guycarr360

    guycarr360 Part of the furniture

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    Was thinking about this last night, and with the phasing case looking to be the culprit, and with the opposed piston operation, i think the main block may be OK.
    Obviously the phasing assembly has an issue, but in normal operation, the pistons dont get near each other anyway, and the crankshaft stops them over reaching to cause piston to piston contact.
    However, wish them all of the best with re-activating pu 430, and will donate to the generator repairs.
     
    guycarr360, Jun 3, 2024
    #76
  17. guycarr360

    guycarr360 Part of the furniture

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    On its way back to Barrow Hill, photo courtesy of Jake Thomas
    448203890_895073895965653_100766474730454631_n.jpg
     
    guycarr360, Jun 12, 2024
    #77
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