Author Topic: The Sad Story of 'Jings!'  (Read 4085 times)

Offline Robomog

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Re: The Sad Story of 'Jings!'
« Reply #15 on: October 02, 2017, 07:18:44 AM »
Back in control again.............

Time for the engine and wings.  Offering up the hull to the engine and pylon it was immediately obvious that the engine was pointing down a bit so I had to build it up at the back to make it parallel with the hull. I was going to join these assemblies with plastic sprue but as the reinforced bubble packaging was going to carry the  weight of the back end I made some pins from some metal rod i recovered from a discarded laptop keyboard. They were fitted into predrilled holes in the pylon and fixed with superglue corresponding holes drilled in the decking and again fixed with superglue.

20170819_174852 by Robomog, on Flickr

You can see the start of the construction of bleaching gear below. A little challenge in its own right.

20170902_151309 by Robomog, on Flickr
20170902_151330 by Robomog, on Flickr

The model was left for a good twenty four  hours to allow the gel superglue to set hard.

The wings offered a conundrum,  I originally intended to tuck the wings under the jet engine but with the extra height created by levelling the engine they looked more like feet, attaching them to hull would have made them almost flat so I compromised and attached them to a convenient flat spot at the bottom of the pylon using a laser level and protractor  to line them up......... liar ........ actually I used a wooden stirrer some tape and a mk1 eyeball (You can dream!)

20170902_160501 by Robomog, on Flickr

The picture below also shows the wingtip floats have been prepped using the same construction as the engine pylon, in retrospect  it is a little over the top I could have used plastic for the pegs. However the fit was rather good.
20170902_160516 by Robomog, on Flickr

I'm going to let the assembly dry thoroughly and do some more work on the beaching trolley.

Watch this space ......................


Mog




Offline Robomog

  • Would you buy a used kit from this man?
Re: The Sad Story of 'Jings!'
« Reply #16 on: October 13, 2017, 07:10:47 AM »
Did I say I was going to do some work on the beaching gear.................................  I Lied !

Now that the structure had dried, a bit of filler was needed where the wings met. Once that was rubbed down the floats were fitted and the keel fin and rudder.

20170904_180258 by Robomog, on Flickr


20170909_170306 by Robomog, on Flickr

20170909_170336 by Robomog, on Flickr


A couple of views of the completed model so far.  I have given it its first coat of white paint to show up any flaws

20170918_200138 by Robomog, on Flickr

20170918_200109 by Robomog, on Flickr



Hang on, somethings not right here

Ahhh CANARDS !!!    (now there's a good inoffensive swear word)
 
I haven't attached the front wings !

Then as if by magic....................

PING !

20170929_111601 by Robomog, on Flickr


That's Better

 Its ready for painting now and I am facing this part of the build with some trepidation because it is so easy to wreck the piece.

 I'm going to use acrylics as I have just has a bad experience using Humbrol enamel to paint a tank.

Guys is it me or has the formula changed for Humbrol  enamels, the pot i'm using has the consistency of thin custard, I am sure back in the day when brush painting it used to be thinner and flow more easily, I keep getting a streaky finish.

Anyways the next post will focus on the Beaching Gear............... Honest!

thanks for watching

Mog



Offline GTX_Admin

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Re: The Sad Story of 'Jings!'
« Reply #17 on: October 14, 2017, 03:46:33 AM »
Cool
All hail the God of Frustration!!!

Offline Brian da Basher

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Re: The Sad Story of 'Jings!'
« Reply #18 on: October 17, 2017, 06:12:02 AM »
That's wonderful progress and those wings and the engine pylon faired in very nicely.

Brian da Basher

Offline Old Wombat

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Re: The Sad Story of 'Jings!'
« Reply #19 on: October 17, 2017, 09:08:51 AM »
Dunno what they've done but once I've mixed mine I get about 3 to 6 months out of the pot then it's gone solid (&, yes, I seal the pot securely). :-\
"This is the Captain. We have a little problem with our engine sequence, so we may experience some slight turbulence and, ah, explode."

Offline andonio64

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Re: The Sad Story of 'Jings!'
« Reply #20 on: October 18, 2017, 04:01:40 AM »
Great progress on this Mog, I look forward for more!

Offline Robomog

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Re: The Sad Story of 'Jings!'
« Reply #21 on: October 19, 2017, 04:09:36 PM »
Thanks for your comments Guys, all feedback is greatly appreciated.

I'm still psyching myself up to start the painting but The next instalment will be ready soon.

Mog

Offline Old Wombat

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Re: The Sad Story of 'Jings!'
« Reply #22 on: October 19, 2017, 04:41:42 PM »
I find myself slightly bemused by the design because I keep seeing this launching straight up into the air, with all the weight of the engine so far back. ???
"This is the Captain. We have a little problem with our engine sequence, so we may experience some slight turbulence and, ah, explode."

Offline Robomog

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Re: The Sad Story of 'Jings!'
« Reply #23 on: October 19, 2017, 06:53:04 PM »
Hmmm.  I may have been rumbled Here, but the driver is exceptionally over weight, maybe i'll move the fuel tanks to the front  ;).

or add some lead ?..............

Offline Robomog

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Re: The Sad Story of 'Jings!'
« Reply #24 on: October 24, 2017, 04:21:20 AM »

The beaching trolley was an afterthought once I had started this build. It was intended to be a simple structure to rest Jings! on, a sort of fancy display stand.

20170904_180503 by Robomog, on Flickr

The Initial design you can see In  some of the early progress photographs basically a simple square structure sitting on four wheels with some sort of tow bar. The uprights incedently are metal reinforcement retrieved from a discarded laptop keyboard, you find them under the bigger keys. They are installed as is into holes drilled into the plastic frame and fixed with CA.

I quickly found this design wouldn't work,  the ex Bloodhound tow bar I intended to use was too wide and the wheels I had chosen too high.

I increased the depth of the suspension but that didnít help, it was then that I realised I had to make room for the keel fin and rudder. Cutting out a section of the frame I then used a piece of curved plastic from a ballpoint pen body to create what would be in real life (real life?) a protective tray.

This had a knock on effect of how to deal with the steering.

20171006_202151 by Robomog, on Flickr

In the end I settled on a narrow extension and hit on the idea of having a small twin wheeled steering unit with the tow bar incorporated. I also wanted this to pivot and the tow bar to be loose so that I could pose the beaching trolley It sounded good and looked good on paper but I did open myself up to a whole lot of hurt in construction.

Back In  the parts box I found a pair of suitable wheels and attached them to a piece of spruce. I drilled a hole in the top of the sprue to take a metal bar that was going to be the pivot and two tiny holes between the wheels through which I looped some fuse wire that held the tow bar, this was fashioned from a chunk of Bloodhound carrier strut that had a convenient moulding that made a effective towing eye. I fixed the wire loop with a drop of superglue and left the piece to set. A good nightís work.

Two nights later I discovered that I had been a bit heavy handed with the CA, it had leaked through the holes and the whole piece was rock solid!

Which only goís to prove smugness comes before a fall. (Note to self: get some debonder)

Starts again back at the spares box: This time I found a complete nose wheel  and another piece of random undercarriage that would fit the hole in the frame. The undercarriage was too narrow to drill so I fixed a tiny open loop on to it with CA, once set I could thread the tow bar on and close it by bending, no glue involved here!

20171010_204444 by Robomog, on Flickr

The extension frame still proved to low so out with the scalpel to cut the cross piece out and a new section complete with new hole fixed over the forks of the frame.

I suddenly decided I needed something to tow it so I have dug an old Land Rover (ex Bloodhound kit circa 1973), iím not going over the top on this one, but I carefully took the roof off and put some glass in it and painted the inside. I have spent quite a lot of time making good my appalling construction of this vehicle and given it a coat of white, i think it will look acceptable when i have finished.

Here is the story so far, the top of the steering needs to be detailed, the main wheels are a little askew but that can be sorted out after painting, and it is still tipped forward a tad which I will adjust later.

20171011_203750 by Robomog, on Flickr

 20171011_203825 by Robomog, on Flickr


Next,  kill or cure,  the painting starts ........

Mog


Offline Brian da Basher

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Re: The Sad Story of 'Jings!'
« Reply #25 on: October 24, 2017, 06:42:29 AM »
It's always a treat for me to see you've posted an update, Mog!

Those are some great looking details my friend!

Brian da Basher

Online elmayerle

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Re: The Sad Story of 'Jings!'
« Reply #26 on: October 24, 2017, 07:30:44 AM »
I find myself slightly bemused by the design because I keep seeing this launching straight up into the air, with all the weight of the engine so far back. ???
Perhaps the canards set up to provide a strong nose-down pitching moment?  Alternatively, set the main wings at a positive angle of attack so that the lift, even at low speeds, cancels the effects of the weight wanting to pitch the back end lower?

Offline Robomog

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Re: The Sad Story of 'Jings!'
« Reply #27 on: October 27, 2017, 04:31:47 PM »
HI Guys

Brian,  Thanks for the comments, always appreciate feed back.

elmayerle, Old Wombat, With 20:20 hindsight maybe the engine is a bit far back, however I envisaged it as a Jet Provost type setup, the weight of the engine only takes up the first quarter of the engine housing, the rest is Jet Pipe which will be balanced by the long Hull and as elmayerle rightly points out, the balance can be adjusted in the wings.

Anyway, I think it looks good which makes me happy and I'd rather be happy than right any day (thank you Slartibardfast).

Its all systems stop at the moment as I have a cold which makes it difficult to paint when your sneezing.

I'll be back soon

Mog

Online finsrin

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Re: The Sad Story of 'Jings!'
« Reply #28 on: October 27, 2017, 05:20:05 PM »
Am late, slow getting on board to build. :icon_crap:
Clever mix of parts and scratch building.  BdB preaches at blister pack pulpit and you have a fine example of possibilities.
Looks so fast and dangerous for driver, of course it would be.  Is extra creative. :smiley:
Is J79 1/72 or box scale ?

Offline Robomog

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Re: The Sad Story of 'Jings!'
« Reply #29 on: October 27, 2017, 07:17:28 PM »
Hi  finsrin

Thanks for your feedback

Model is 1/72 but engine was Box scale as far as I can remember (we are talking 1970 something here !), it just seemed to be the right size for the build.

I'm with BdB on bubble packaging front, It has so many possibilities for small scale buildings, sci-fi stuff and jazzy canopies.

Mog