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NIK

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Posts posted by NIK

  1. 4 hours ago, JSpencer said:

    I don't think anyone has mentioned KINESIS and I'm sorry if I missed it. Looking forwards to Warley to see about that one.

     

    Speculating though, with a name like that, it could be an all new DCC system, maybe Bluetooth and yep, I think I'd be a taker if the case. 😊

    Hi,

     

    I did mention Kinesis.

     

    Regards

     

    Nik

    • Like 1
  2. Hi,

     

    Beggarwood's two months being all up in our club room has ended and just the scenic boards are now up until December when the whole layout should go up again. One problem that was found remains to be fixed -  the Juniors that ran short wheelbase locos over the junction under a bridge found a dead frog.

     

    It looks like it may either be a microswitch problem or a dodgy track feed. Of course the bridge is not removeable - that would be too easy.

     

    Also the third rail was found to be way too high in places so lowering the third rail may be a project to be done this month. I had a mad idea to run a very low voltage medium current through the third rail that could be detected by magnetic sensors on Electric stock and used to control third rails sparks effects on board the stock. During fitting of the third rail I had asked for the third rail to have wires attached at each end but that didn't happen. So maybe if the third rail is going to be relaid the wires could be added at the same time.

     

    Bachmann have announced the Refurbished 4 CEP in various liveries and the EFE Bulleid Raworth Co-Co Electric Booster loco. So could be an expensive time ahead.

     

    During the construction of Beggarwood there was a debate about putting BR SR 'Tramway' overhead in the goods reception road.

     

    Now that the Hornby Class 71 is going to be joined by the Co-Co perhaps we should look at it again.

     

    Unlike Pete Watermans latest OO layout we don't have the option of putting chunky hidden tensioners at both ends of the overhead wire as one end of the wire will be on full view in the goods yard.

     

    Regards

     

    Nik (on behalf of BNHMRS - still looking for members)

  3. 35 minutes ago, The Stationmaster said:

    Alas quite a few people still don't seem to 'latch-on' regarding newly tooled items in the EFE range although various of us have pointed out previously what is happening and where the design work and development is being done.  As a matter of interest will the Hornby/Booster be coming from the factory which made the Kernow Bulleid diesel?

    Hi,

     

    I don't know what official connections various contributors to RMWeb have with model manufacturers.

    So I commented on what I saw in the Bachmann video which didn't seem to mention Kernow as a partner or non Kader manufacturers. 

     

    Regards

     

    Nik

    • Friendly/supportive 1
  4. I find it interesting that Bachmann Europe are tooling the SR Co-Co Electric Booster loco in their EFE range.

     

    Perhaps they are checking out whether one of their newer suppliers can produce a reasonably complex model including chassis from scratch. If it doesn't turn out to be as of good quality as the main Bachmann range it may not dent the main ranges reputation.

     

    I'm going to find it hard to resist a Jaffa Cake 4-CEP. A few weeks ago I noticed the refurbished models (3-CEP and 4-TEP?) had the peak above the driving cab gangways removed - well done to Bachmann.

     

    I wonder how long after release of the refurbished class 20's that some enterprising modeller gets the buffer beam mounted lights working on the inner (no 1?) ends.

     

    Regards

     

    Nik

    • Like 1
    • Interesting/Thought-provoking 1
  5. Hi,

     

    I have my doubts that one is electrostatic.

     

    One way you might check if two conventional DCC decoder speakers are in phase is to connect the speakers in series and close together (DCC power off), play a moderately loud sound, turn off the power, swap one of the speakers terminals round and play the sound again. Which ever arrangement gives the louder sound is the arrangement you should use (mark the terminals of the speaker without polarity markings to match the other one.

     

    Regards

     

    Nik

    • Like 1
  6. Jokes only on this thread - it shouldn't be hard to understand. Jokes have a mental twist, difficult to write comments instead and have a mental twist without losing the point.

     

    I'm sitting doing some bird watching on a beach at present but if I'm forced to send some more puns to discipline offenders I will leave no Tern Un-stoned.

    • Like 3
    • Round of applause 1
    • Funny 6
  7. Hi,

     

    Locos slowing down then speeding up or stopping  could be down to slipping in the transmission between the motor and any worm driven gear train.

     

    I've experienced slowing down and stopping with a Bachmann Class 25, a Heljan Class 35 and a Hornby new style HST.

     

    I'm guessing in my case its probably the interference fit between the horizontal shaft and the worm that is causing problems.

     

    In the case that was mentioned of a loco that was shuddering that is what my Heljan Class 35 was doing - one of the two bogies was trying to haul  the jammed bogie along the track. Assuming the shaft through the worm of the other bogie was slipping badly that would cause the bogie to lock.

     

    In fairness to Hornby the HST worked fine until it derailed at full speed. I assume some wheels hit the test track baseboard, locked up and a worm shaft was loosened from its worm.

    In fairness to Bachmann and Heljan those two failures were amongst a much larger collection of locos mostly Bachmann and Heljan that have not had such problems plus I use locos for automation tests that repeatedly put the locos under stresses (including fast accel and decel) they might not see on a model railway layout.

     

    I was puzzled at first by the mention of increasing the voltage on DCC fitted locos exhibiting slow downs but for heavy locos with two power bogies the above proposed failure mode it makes sense.

     

    Within limits a higher DCC voltage can result in the peak current through the motor being higher and the torque higher. So that provides more torque to the other bogie and also increases the speed of the failing worm shaft so possibly more dynamic friction to allow the worm to turn as desired.

     

    Regards

     

    Nik

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