Yorkie's Connoisseur 4F build

Discussion in 'Kits, Kit bashes & Scratch builds' started by York Paul, May 27, 2020.

  1. Kimbo

    Kimbo Staff Member Moderator

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    Loverly build Paul. :thumbup:
     
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  2. Andy_Sollis

    Andy_Sollis Staff Member Moderator

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    That’s looking something like a 4F! :thumbs:
     
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  3. York Paul

    York Paul Staff Member Moderator

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    Thanks Kimbo... nice comment much appreciated.
     
  4. York Paul

    York Paul Staff Member Moderator

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    Ten to One Andy... I trust you brought your sandwiches Edward ? Yes Philip its in my Omo box duck. Oh dear Mr Brooks its down below into the firey pit for you I'm afraid.:avatar:


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  5. York Paul

    York Paul Staff Member Moderator

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    Back to the more serious side of this project now, the chassis was assembled and the motor mount fitted into position as the instructions recommend, following this part of the process I located the cast white metal springs into place which I cyano glued as opposed to soldering... just my personal preference really as there is no reason why these items cannot be soldered. The one thing to watch for is in shortening one of the legs on the rear set of springs so as to clear the ashpan. Wheels were fitted to the chassis once I'd set the crankpin heads into the back of each wheel with Araldite, the crankpin hole was drilled to a depth of 1.5mm using a 2.5mm drill to countersink the crankpin screw head flush with the rear of the wheel, the centre driving wheels are raised about 1mm from the railhead in order to allow for inconsistencies in the rail head when the loco is running. Had I realised further I'd have elongated the bearing hole to make a floating axle, hornblocks or a compensation beam are not an option in this kit unless the builder intends to scratch new chassis frames to take this modification. Anyway everything runs level with all other wheels contacting the flatstone and happily there is no twist.


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  6. York Paul

    York Paul Staff Member Moderator

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    So with the body loosely fitted onto the chassis along with the tender the whole build lines up very well, next job this afternoon is to make up the coupling rods and then assemble the brake rigging. If I have time I'll prep the sandboxes and fit them too. This is where the build is at the moment and as I have nearly run out of flux I'll have to wait until supplies are delivered later this week, it may well be that I return to the tender frames and fit the pick up wipers.


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  7. Kimbo

    Kimbo Staff Member Moderator

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    Looks nice Paul, great build
     
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  8. Rob Pulham

    Rob Pulham Happily making models Staff Member Administrator Feature Contributor

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    Hi Paul,

    Looking very nice.

    Can I ask, purely from curiosity why you would need to scratch new frames? Is it because there is not enough metal on the Connoisseur frames to cut out for hornblocks? - I do appreciate that it would need marking up manually to make the cut outs as opposed to having the half etched guides that some chassis have to allow for it.
     
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  9. York Paul

    York Paul Staff Member Moderator

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    Thanks Kimbo, this one is a cracking build ... I just cannot believe how easy it is to put together. On another note I'm leaning towards doing a Merchant Navy ... it would be a Scorpio one I think. :thumbup:
     
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  10. York Paul

    York Paul Staff Member Moderator

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    Hornbocks would possibly fit to the centre driving wheel position with care but it would take the hornblock very close to the middle frame spacer, for the same reason a compensation beam is out of the question due to the position of the rear spacer and the motor mount which would have to be replaced with a slimline mount. In all honesty Rob I really don't think it is worth it for me to go down the scratch building road of new frames, not saying it cannot be done but its just not for me on this project.:thumbs:
     
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  11. Rob Pulham

    Rob Pulham Happily making models Staff Member Administrator Feature Contributor

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    Hi Paul,

    Sorry, I wasn't suggesting that you went down that route.

    I was asking really in case I ever get asked to build one with compensation, what mods I might need to make. It sounds like as a minimum it would require the frame spacers to be relocated if not a new set of frames.

    Plus I may indulge in one of these for myself at some point because it seems a few came down the Wensleydale branch to Hawes via Garsdale. How much more excuse do I need
     
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  12. York Paul

    York Paul Staff Member Moderator

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    Absolutely no need for apologies Rob, yes I'd agree that the minimum mod requires the frame spacers repositioning along with a different motor mount, possibly also along with some additional frame strengthening. Otherwise the kit is a good 'un as they say and just a few upgrades from Laurie Griffin such as lost wax safety valves, vacuum pipes and tender hand brake and scoop columns would make this a very nice model. I'm going to put plate detailing on from Chris at Seven Mill once he is back up and running again, maybe some additional detailing to the backhead would look good too.
     
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  13. York Paul

    York Paul Staff Member Moderator

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    Well all I can say in reply to that is what jim said to me when I phoned him to buy one, " Do you know what is going off at Platform 1? ... I've never sold so many 4F's in such a short space of time" I'd say you could make a top end model from this kit Rob.

    Incidentally have you seen those 7mm scale NER tank locos in display cases on the wall of the booking hall at Leyburn station ?
     
  14. Mark4mm

    Mark4mm Guest

    Hi Yorkie this build is looking superb, can’t wait to see more..
     
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  15. York Paul

    York Paul Staff Member Moderator

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    Thanks Mark, I've been waiting for a break in the weather so I can dash across the yard to the workshop without getting drenched but so far it has been absolutely lashing down for the last hour. Coupling rods when it happens are next.
     
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  16. York Paul

    York Paul Staff Member Moderator

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    The loco's brake rigging is made up pretty much the same as the tender brakes except on the loco the hangers have little fold over etch brackets that need to be soldered to the outside face of the loco frames, its a tad fiddly as the hanger and block components have to be positioned on the wire at the same time and care has to be taken not to solder the hangers fast on the wrong position, it is easily doable but just to ensure the wheel can be removed from the axle. Usual clearance rules to prevent shorting need to be applied, anyway once done its a simple matter of inserting the cross beams and pull rods.

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  17. York Paul

    York Paul Staff Member Moderator

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    The next job on tonight's work list was to make up the sandboxes, there are two thick ones which sit on the brackets at the front of the loco and four thinner ones which locate on the etch lines against the middle and rear wheelsets, so with 1.6mm drill I made on hole on each box using the TDM 220 which took only seconds... the hardest part was setting the drill position up each time. These holes accept the tiny sand pipe peg brackets which has a lug to seat into the sandbox chamber, these have to be handed and the chambers have two rivet marks on the irouter faces, this means the pegs on each leading side have to face forwards except the middle sandbox which feeds the centre driving wheel from the front. I fixed these using cyano... best of luck if you want to solder them in. Tomorrow I'll drill the peg ends to 0.9mm to accept the wire which will represent the sand pipe proper... a bit of scratch making may well occur as I want to show the sand pipe blower valve, fixing bracket and steam feed pipe.


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  18. York Paul

    York Paul Staff Member Moderator

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    As time marched on and for most of the afternoon the monsoon rain prevented me from going to the workshop without being drowned I was only able to start laminating the coupling rods, so far only the rear half on one side has been made. The oil corks and final laminates over the crankpins will be added later before marking up and drilling out for the bushes... a job which demands both rods are drilled identically.

    Anyway that's it for tonight and experience tells me not to even attempt this kind of work in poor light conditions.


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  19. Rob Pulham

    Rob Pulham Happily making models Staff Member Administrator Feature Contributor

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    Thanks Paul,

    I haven't but will make a note to go and have a look once the station reopens.
     
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  20. paul_l

    paul_l Staff Member Administrator

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    Boy am I falling way behind, looks like it will be the weekend before I get to warm up the iron.

    Paul
     
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