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Royal Duchy series 2014

本贴由 mike1522 于 2014-06-23 发布. 版块名称: What's Going On

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  1. Big Al

    Big Al Nat Pres stalwart Staff Member Moderator

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    Just so and can I add that given that the loco was under power and not in any confined space exhaust-wise it's not really the set of circumstances that might trigger a blow back anyway.
     
    Big Al, 2014-09-15
    #241
  2. Hemerdon

    Hemerdon Member Friend

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    Here’s my video of the run on the 14th. On the outward run the location is Dainton. On the return the location is just below the woods at Hemerdon. Another good performance by Tangmere on these Devon banks.

     
    Hemerdon, 2014-09-15
    #242
    已获得KentYeti和andalfi1的支持.
  3. RalphW

    RalphW Nat Pres stalwart Staff Member Administrator Friend

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    It's the way that, for a brief moment, the glare from the open firebox door beats the auto systems of the camera causing it to record it as that huge flare.
     
    RalphW, 2014-09-15
    #243
  4. david1984

    david1984 Resident of Nat Pres

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    That's a relief to know, didn't realise a webcam could fool you in such a way.
     
    david1984, 2014-09-15
    #244
  5. RalphW

    RalphW Nat Pres stalwart Staff Member Administrator Friend

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    The auto systems of most video cameras do not react quickly enough to record that correctly, it's more noticeable on sound tracks where the drop in recording level from the blast of a whistle is noticable after the whistle has stopped, and there is a short quiet bit before the exhaust is heard properly again.
    Even high tec equipment can suffer, a car comes towards the camera and as the headlights shine directly into the lens the whole screen is flared out.
     
    RalphW, 2014-09-15
    #245
  6. maureen

    maureen Member

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    Pete Roberts was driving from Plymouth back to Bristol last night. Tangmere doing the last two with Ray Churchill on the usual Bristol-Par-Plymouth trip.. another brilliant trip from him and Tangy yesterday.
     
    maureen, 2014-09-15
    #246
  7. 34098

    34098 Member Account Suspended

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    Cant say I agree,
    There's no way that's a reflection in the light and the delay at Exeter wasn't due to watering issues it happened on the way down, the delay on the way back was due to them requesting an ambulance meet them,
     
    34098, 2014-09-15
    #247
  8. Sidmouth

    Sidmouth Resident of Nat Pres Staff Member Moderator

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    a passenger was I believe taken ill , however that was not the cause of the delay at Exeter which was due to Water

    34098 , My information comes from the RO on the day . Do you wish to argue with someone who was there ?
     
    Sidmouth, 2014-09-15
    #248
  9. david1984

    david1984 Resident of Nat Pres

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    Thinking about it logically, I highly doubt 34067 would have proceeded beyond Exeter (or more likely requested to go inside at Dawlish Warren), if there was indeed a blowback and medical attention required.
     
    david1984, 2014-09-15
    #249
  10. 1020 Shireman

    1020 Shireman Part of the furniture Friend

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    Anyone got a report on timings/speeds from yesterday?
     
    1020 Shireman, 2014-09-15
    #250
  11. alastair

    alastair Well-Known Member

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    So the crew required an ambulance at Exeter,but were then mysteriously able to recover in a few minutes and drive on to Bristol...... yeah,right!
     
    alastair, 2014-09-15
    #251
  12. The Man

    The Man New Member

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    Let me assure all those very concerned correspondents of the following FACTS:
    a) There was no blowback at Dawlish, it was purely the camera reacting to the sudden bright light of the fire reflecting in the exhaust in the dusk conditions.
    b) An ambulance was called at Exeter to a passenger on the train, completely unrelated to the 'Blowback that wasn't'. This happens occasionally on our jobs, and is probably related to the age profile of many of our passengers.
    c). The delay at Exeter due to watering issues was on the outward journey. The outward was retimed due to a possession related to the tide coming in at Fordgate early this year. (Very sensible signalling alterations by NR designed to reduce the impact of any future flooding). The retiming meant a much shorter water stop than usual.
    Whilst I am very sorry to disappoint the 'Prophets of Doom', These are the facts.
    Please feel free to quote the above to any doubters.
    Andy.
     
    The Man, 2014-09-15
    #252
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  13. free2grice

    free2grice Part of the furniture Friend

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    A bright headlight can also send auto focus wild. I set the focus of my video camera to manual when filming steam trains in dull conditions. <BJ>
     
    free2grice, 2014-09-15
    #253
  14. Bifur01

    Bifur01 Member

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    Auto exposure I think you mean ;)
     
    Bifur01, 2014-09-15
    #254
  15. RalphW

    RalphW Nat Pres stalwart Staff Member Administrator Friend

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    No he means focus, the system cannot pick up the headlight and on videos you can see it going in and out of focus as the auto tries to sort it. Set focus to infinity on manual and the problem is solved.
     
    RalphW, 2014-09-15
    #255
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  16. Bifur01

    Bifur01 Member

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    But if "the whole screen is flared out" Then that's surely not a focus problem... :p
     
    Bifur01, 2014-09-15
    #256
  17. KentYeti

    KentYeti Guest

    I REALLY like the top of those two photos. Something about it............................................

    So different to the standard shots we see so often, (although there is nothing wrong with such shots at all),
     
    KentYeti, 2014-09-15
    #257
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  18. BillyReopening

    BillyReopening Member

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    There are a few others that I sacked off in favour of that one, Its a shame the light wasn't better otherwise the image would be less noisey
     
    BillyReopening, 2014-09-16
    #258
  19. free2grice

    free2grice Part of the furniture Friend

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    No I don't. At night a bright headlight can confuse the auto focus.

    As Ralph W suggests, set the focus to manual and infinity. <BJ>
     
    free2grice, 2014-09-16
    #259
  20. gricerdon

    gricerdon Guest

    My tribute to Tangmere's recent very busy period and the RD run down on 7th is in the next Heritage Railway, out next Thursday 25th

    Don
     
    gricerdon, 2014-09-16
    #260
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