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Thread: Stirling 3D/4D Model

  1. #1
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    Stirling 3D/4D Model

    Hi All

    This thread isn't about a plastic or wood model - but a virtual one, hope that's OK. I'm hoping people will enjoy seeing a Stirling being 'built' and hopefully I'll be able to get dimensions of parts from forum members. I'll post as new parts get added. It's taken a couple of years (part time) to get this far. I hope you enjoy it!
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  2. #2
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    Some more views just to catch up with current progress....


    James
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  3. #3
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    Stunning work

  4. #4
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    Quote Originally Posted by TonyT View Post
    Stunning work
    Indeed!

    Fantastic work there.

    Keep it up!

    Cheers

    Paul
    The most usless commodity in aerobatics is the amount of sky above you!

  5. #5
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    Thanks Chaps.

    Some animations:

    FN4A Turret:

    https://www.youtube.com/watch?v=jL8grymad40

    FN5A Turret:

    https://www.youtube.com/watch?v=cmu_Ww1HiPw

    Main Undercarriage Retraction:

    https://www.youtube.com/watch?v=6pIn1OOILTE

    Rear Undercarriage Operation:

    https://www.youtube.com/watch?v=5EM8f2VT2eE

    Bomb Doors Operation:

    https://www.youtube.com/watch?v=XybmaHYo5aQ


    All these are just 'trials' just to get an idea of the working of the model.


    Cheers
    James

  6. #6
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    Lovely work James....I can provide details of the correct wireless operators seat ....if you still need them???
    `Information is the currency of democracy`. Thomas Jefferson

  7. #7
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    Quote Originally Posted by hindenburg View Post
    Lovely work James....I can provide details of the correct wireless operators seat ....if you still need them???
    Hi Hindenburg

    I have a drawing of the armoured W/O seat on a Mod sheet - but that Mod is dated 6/6/41 and the Stirling the model is supposed to be of is one that crashed in 4/5/41 so I am assuming that the seat was the original un-armoured version, but thanks very much for the offer!


    James

  8. #8
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    The Bomb Sight ready to install - it's quite a complex item but looks small in the Stirling!
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  9. #9
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    That is really interesting regarding the wireless ops seat...would like to see the drawing.on some schematics of early Stirlings they also show a smaller round backed seat...I'm assuming the armoured plate was smaller too?.I wonder if the earlier seats were modified versions of the flight engineers seat (right)Surely the smaller seat, although armoured,would not protect the operators head....or was the armoured plate a lot higher than the seat?????Click image for larger version. 

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    `Information is the currency of democracy`. Thomas Jefferson

  10. #10
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Size:  10.5 KBthis is the wireless operators armoured plate for the high backed chair...8mm thick armour plate ,three and a half feet high.The legs on my chair have reinforcing tubes riveted over the existing structure to take the weight as the seat swivels.
    `Information is the currency of democracy`. Thomas Jefferson

  11. #11
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    Hi Hindenburg

    Attached is the only picture I have of what looks like the top of the W/O seat (early MK1, the radios are the early type) and another of the really big one (1945). I rechecked the Mod sheet and the mod didn't include the serial No. of my aircraft but that I'm not sure that is any real indicator of what was on any particular aircraft apart from the ones mentioned.

    I do have some RAF memos regarding the fitting of the W/O armoured chair, I think, I'll see if I can find them. The W/O seat may not have been considered worth armour plating initially!

    The Mod sheet shows the re-inforcing and the drilling dimensions for the later sheet.



    Cheers
    James
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    Last edited by jamesinnewcastl; 19th September 2015 at 20:02.

  12. #12
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    Incidentally I did promise you that I would pass on any info I got about the S.C.I. switch panel if I found any, attached is an early MKI circuit diagram with some info on that you might infer could have been the annotation on the SCI switch panel (over the individual switches), but sadly no info about the instruction panel. To give credence to the text it is worth noting that on another circuit for the same aircraft you have the exact text for the label on top of the throttle box so it could be that the circuit was directly copying the labeling (or vice-versa).
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  13. #13
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ID:	240652Hmmm, now you made me look I can see the big armoured seat shown in the manual for the MKIs with the Hercules II and III engines, definitely the taller armoured seat. The problem with the APs of course is that they did get updated, looks like I might have to review the seat type! Also interesting is that the drawing doesn't show any seat for the Engineer.


    Cheers
    James
    Last edited by jamesinnewcastl; 19th September 2015 at 20:17.

  14. #14
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    Thanks for those pics...that tall wireless ops seat is different to mine...and the armoured plate is different too!!!looking at that phot of the early MK 1'I think that is the tall seat....look how close it is to the roof...the round top is the armour plate and the straight line below it...the top of the seat...
    Last edited by hindenburg; 20th September 2015 at 11:35.
    `Information is the currency of democracy`. Thomas Jefferson

  15. #15
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    And the one in the schematic is different again!!!...........
    `Information is the currency of democracy`. Thomas Jefferson

  16. #16
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ID:	240662 I think the jettison unit in the upper part of this photo is the one on your SCI panel....
    `Information is the currency of democracy`. Thomas Jefferson

  17. #17
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    Hi Hindenburg

    I think you are right about the seat on the MKI picture - must be going mad! I think that once I have something in my head it seems to resist being dislodged! Also I have imagined documents recently that I can't find, so there is some madness in there too!

    Looks like I will need to make the seat the tall one as I have looked again at the Mod sheets and discovered that many of them seem to be bringing N3635-N 3644 up to standard rather than a global change for all the aircraft in service.

    As for the jettison switch the joy of the 1940 MKI circuit diagrams is that they give the MOD reference number for all the equipment used, the later ones don't so you can get the right part.

    It is odd that the armour plating looks different? I'll keep an eye out for anything related to that.


    Cheers
    James

  18. #18
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    I wish a model as detailed as this would be made for Flight simulator X! It looks incredible, great job so far!

  19. #19
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    Quote Originally Posted by CptBiggles View Post
    I wish a model as detailed as this would be made for Flight simulator X! It looks incredible, great job so far!
    Hi Biggles!

    The Flight Simulators do a fantastic job of rendering in real time, this Stirling takes about 4 minutes to render each frame and that's without any other background scenery! I expect that time to increase steadily as it gets more detailed. Usually I work on parts of the model with 95% of it 'turned off'. To get even 10 minutes of animation would mean leaving the PC cooking overnight.

    At some point I will need to find out how to simulate realistic scenery, that is quite a clever job, probably more so than the aircraft as the ground model is hundreds of miles across and filled with unique details not to mention changing perception with height and of course clouds! And it will have to be 1940s England too.

    But before that and after finishing all the polygons I need to become an artist and handle painting the entire model, currently the colours are just simple and in most cases just 'flat'. The software will allow me to 'paint' with a simulated paint brush in 3D so the whole thing will be hand painted, not many rivets so far, all the flush ones will be simulated as a texture, I will be able to 'paint' those with just a single pass of the mouse, 3D has many advantages! I have the original 'plating' drawings so the rivet lines and fuselage should be very accurate!

    Next up will be the Bomb Aimers office.

    Cheers
    James

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ID:	242305 Hi James,been scratching my head as to what the light tubular structure is in the centre of this photo.At first I thought it was for the crew to get a foothold to exit the escape hatch,on examining this structure,it's way too flimsy to climb on..what do you think..stable platform for taking readings ????
    `Information is the currency of democracy`. Thomas Jefferson

  21. #21
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    Hi Hindenburg,

    I agree, it's an odd spindly bit of metalwork isn't it? The attached isn't going to make you any less incredulous but it looks like you were right first time!


    JamesClick image for larger version. 

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  22. #22
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    Maybe it was for use just the once then...only 1/2" really thin gauge!!!!but...the other bit above the one attached to the floor??not on your schematic?.what is 92? there is no bubble sextant holder on your diagram...where as the upper fitting is separate and looks further forward to the footstep....will see if the bubble sextant fits in it this weekend....
    Last edited by hindenburg; 2nd December 2015 at 01:11.
    `Information is the currency of democracy`. Thomas Jefferson

  23. #23
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    Quote Originally Posted by hindenburg View Post
    Maybe it was for use just the once then...only 1/2" really thin gauge!!!!but...the other bit above the one attached to the floor??not on your schematic?.what is 92? there is no bubble sextant holder on your diagram...where as the upper fitting is separate and looks further forward to the footstep....will see if the bubble sextant fits in it this weekend....
    Hi Hindenberg

    The 'step' metalwork may well have been 'solid', that would have helped I suspect. Steel possibly? I guess in your line of work you would know better than me what would have worked. It seems to have two steps, the lower looks like it is a curved tube or rod to keep a right foot from slipping out/off and the upper looks like a triangular platform for the left foot. Possibly it wasn't square because that shape would have been in the way of something else?

    I'll put up the missing parts of the picture tonight. I remember vaguely that there was a mod to the Astrodome for a sextant mount? The illustration is from a very early MKI so there may be things that were added/moved/modded later. I'm not sure what other part you are referring to but there is another bit of metalwork hanging down with a 'garden gate' latch on the end, I would suspect that that was to latch the opened Astrodome/hatch cover (whichever they had in place) to stop it from swinging about.

    Cheers
    James

  24. #24
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    Hi Hindenburg

    Quote Originally Posted by hindenburg View Post
    what is 92?
    I've attached the whole pic and both of the description lists, 92 is what I thought might have held the Astrodome but actually holds the Observers Support ring.


    Quote Originally Posted by hindenburg View Post
    there is no bubble sextant holder on your diagram.
    Just had a better look at the previous images and 96 is Sextant Stowage.


    Cheers
    James

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    Last edited by jamesinnewcastl; 2nd December 2015 at 19:10.

  25. #25
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    Hi All

    Some images of the FN25 Ventral Turret so far....

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  26. #26
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    Getting there - having some issues with the routing of the ammo belts at the moment - it's getting snarled with the sight arm, such little room!

    James
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  27. #27
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ID:	242769 the part in question is prefix 929... Really flimsy bit of metalwork.
    Quote Originally Posted by jamesinnewcastl View Post
    Hi Hindenberg

    The 'step' metalwork may well have been 'solid', that would have helped I suspect. Steel possibly? I guess in your line of work you would know better than me what would have worked. It seems to have two steps, the lower looks like it is a curved tube or rod to keep a right foot from slipping out/off and the upper looks like a triangular platform for the left foot. Possibly it wasn't square because that shape would have been in the way of something else?

    I'll put up the missing parts of the picture tonight. I remember vaguely that there was a mod to the Astrodome for a sextant mount? The illustration is from a very early MKI so there may be things that were added/moved/modded later. I'm not sure what other part you are referring to but there is another bit of metalwork hanging down with a 'garden gate' latch on the end, I would suspect that that was to latch the opened Astrodome/hatch cover (whichever they had in place) to stop it from swinging about.

    Cheers
    James
    Last edited by hindenburg; 24th December 2015 at 13:09.
    `Information is the currency of democracy`. Thomas Jefferson

  28. #28
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    Lovely work on the ventral turret btw....have some photos of a restored one somewhere if they're of any use??
    `Information is the currency of democracy`. Thomas Jefferson

  29. #29
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    Quote Originally Posted by hindenburg View Post
    the part in question is prefix 929... Really flimsy bit of metalwork.
    Yes very flimsy! Not seen the 9 prefix on anything before either, very interesting. Why don't you build a new one? Possibly you already are to go with your fuselage section - it would provide all the answers concerning strength I guess!


    James

  30. #30
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    Quote Originally Posted by hindenburg View Post
    Lovely work on the ventral turret btw....have some photos of a restored one somewhere if they're of any use??
    Hi Hindenburg

    They would be extremely helpful - I do have a copy of Flypast October 2007 if they are the pics you mean, they are enourmously useful. But anything else would be great!


    James

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