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Author Topic: Junkers 87 B-2/R-2  (Read 7020 times)
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Andy Blackburn
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« Reply #150 on: January 26, 2020, 09:18:55 AM »

> Hang on a mo.  Did you mean the Schwartzgrun?

Did I not say Schwartzgrun? Oh dear. I meant Schwartzgrun; sorry, should have been paying attention.

<ahem> if you haven't doped the Schwartzgrun tissue yet, you should find that if you carefully slit the bubble(s) and then drop some water on each one from a soft brush, it'll shrink down nicely.

<RolandD6>
> Is there anything in the kit scale rules that say you must use colour tissue for such things as splinter camouflage?

The 2020 rules don't seem to be out yet but the 2019 rules had this clause "It is expected that most models will have a coloured tissue finish with painted, printed, transfer  or  tissue  markings.    Fully painted  models  or  those  using  extensive  computer generated colour schemes will not be excluded but will have 5 marks deducted from their static score.".

So, if you've drawn it on the tissue yourself, I think you're OK. Unless they've changed that clause for 2020.

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TheLurker
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« Reply #151 on: January 26, 2020, 11:40:10 AM »

> Oh dear. I meant Schwartzgrun; sorry, should have been paying attention.
Ah. That makes more sense.

Starboard wing bar flaps and some discreet water shrinking, see above, camouflage is complete, nothing new to see there.

UC test fitted and all levelled up so that, barring variations in wheel circularity*, it'll sit level.  One UC main leg covered and recognition number applied.  Covering went reasonably well, but there are bits that I can improve on for the stbd leg.  

Referring to the extract from rules above.  The recognition number digits are cut from pre-shrunk tissue with a coat of matt white acrylic (Revell if matters) and stuck on with thinned PVA.

If I were counting rivets the top third or so of the leg would be Dunkelgrun rather than Schwartzgrun ,see the Airfix scheme reference, but I'm not so yar boo sucks. Smiley



*Still sanding wheels to shape by hand.  Will sort out some sort of "lathe" at some point.  Eventually.  Maybe.
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Squirrelnet
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« Reply #152 on: January 26, 2020, 12:48:04 PM »

That's looking very smart Lurk. The markings work very well.

 
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USch
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« Reply #153 on: January 26, 2020, 05:05:03 PM »

…. Will sort out some sort of "lathe" at some point.  Eventually.  Maybe....

Lurker,
a few weeks ago we made a journey to Marocco and your remark brought back a "lathe" I had seen and photographed at the souk/market of Marrakech. Not to good a picture but the guy was so incredibly fast, the light was much less than ideal and me not prepared to see something similar.

Anyway, the lathe, made out of 3 wood blocks, was laying on the floor, had 2 center pins to hold the raw wood piece and the rev's where applied by hand with sort of a bow which you may just immagine in his right hand (red arrow). The cutting tool was held by hand at one end and pressure applied by the right foot. In less than a minute the guy turned out the pendant shown.

You see, with just a wee bit of imagination you can do a lot of things without spending a fortune  Roll Eyes Wink

Urs
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OZPAF
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« Reply #154 on: January 26, 2020, 05:13:27 PM »

Very effective and neat covering effort Lurk.

John
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vintagemike
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« Reply #155 on: January 27, 2020, 05:52:46 AM »

Its amazing what the Moroccan turners can turn out given their rudimentary equipment. Some stuff turners in this country wouldn't tackle even with the latest in variable speed lathes and the latest specialised tooling! Needs must I suppose, they are all trying to make a living. I will stick with my 35 year old Record lathe making my few bits and pieces to try and earn a crust!
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TheLurker
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« Reply #156 on: January 27, 2020, 03:15:20 PM »

Quote from: abl
...you should find that if you carefully slit the bubble(s) and then drop some water on each one from a soft brush, it'll shrink down nicely...
It does.  Thanks for that.

Quote from: USch
...a journey to Marocco and your remark brought back a "lathe" I had seen and photographed at the souk/market of Marrakech.
His wife is going to have a fit when she sees the state of her best carpet.  Thanks for that; all I've got to do now  is persuade MrsLurker to let me set up a bow or pole lathe in the dining room.  Smiley

Quote from: USch
...with just a wee bit of imagination you can do a lot of things without spending a fortune...
Oh I like not spending a fortune and I have a cunning plan involving what's left of my Meccano, but I've got to rescue it from the loft first.

In other news.  Stabiliser stripped this evening and being re-covered.  Had picked up a bit of a warp and steaming it to get rid of it made things worse.  Mildly annoying.
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TheLurker
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« Reply #157 on: January 31, 2020, 03:47:08 PM »

Canopy framing done, stab. re-covered and fin and rudder almost covered.  

Pics:  
Canopy in progress & finished.
Snippet from the Airfix 1/72nd kit scheme notes for comparison.  You'll see I've made some simplifications.
And a part covered fin & rudder.  Tissue is pre-shrunk.

You'll note that the framing around the gun bubble is more elliptical than circular, that's down to poor fabrication of the moulding plug.  I was following the curve of the bubble in the acetate, but it's good to know for future reference that circular canopy framing with tissue is not impossible given a good curve to follow.

Most of the bottom border of the canopy, barring about 1/16", will disappear into slots in the fuselage covering.

Tomorrow will dig out a 000 or 0000 brush and go over the canopy framing with thinned dope, bit too late today for any more "fine" work.
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Squirrelnet
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« Reply #158 on: January 31, 2020, 04:03:10 PM »

The canopy lining has worked brilliantly Lurk.

 I will be stealing this method  Grin. I have a stalled Guillows Ju 87 project and one of my stalling points was the canopy and finishing it... along with plastic nose which you have also shown me an alternative way of doing it with your KK version

Yours looks light and delicate... mine looks like an exercise in basket weaving  Huh I think I need to reach for the sand paper...

Inspiring stuff  (Please don't laugh too much at the picture)

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TheLurker
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« Reply #159 on: January 31, 2020, 04:27:09 PM »

Squirrelnet>The canopy lining ... I will be stealing this method
Well that is flattering.  Smiley  It's not difficult, but it is time consuming.  It took about 5+ hours, a good deal of which was "walk away" time to let the glue (50:50 pva) go off between sections of framing.

> Yours looks light and delicate... mine looks like an exercise in basket weaving  Huh I think I need to reach for the sand paper...
> Please don't laugh too much at the picture
It looks like a straight and clean build to me, nothing to be embarrassed about there and thanks for the pic. 'cos the more contributions to the thread the merrier and the more instructive and entertaining it becomes.

Guillows do seem to make their kits on the robust side.  I assume that's because they have sell to a very wide range of builders from glue-happy 10 year olds to those of a more *ahem* mature disposition to stand any chance of making a profit and a robust kit is more likely to get from board to airborne than something more delicate so boosting the chance of repeat business. 
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TheLurker
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« Reply #160 on: February 01, 2020, 05:02:17 PM »

Plugged together what I've got so far to see how close it's going to be to what I was trying for.   Ahh, the moment when cold hard reality collides with the dream.  Smiley

Still quite a few days effort to go before build complete.  Oddly enough the things that're causing me the most grief are the exhaust stacks.  I had them pegged as any "easy" task.  Hmmph!

Obvious things wrong
1) Canopy needs* remedial work to line of tissue on stbd side.
2) The canopy doesn't sit as well as I thought it would.  So much for that bright idea.
3) Stbd UC leg. I could have sworn I'd smoothed the curves on that better than that.

Pics.  Plugged together waiting quite a fews bits & bobs.

*Needed.  Done, but need to wait to see if "fix" has worked.
 
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OZPAF
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« Reply #161 on: February 01, 2020, 06:34:03 PM »

Not bad Lurk. Very Stukerish actually Smiley

John
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Pete Fardell
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« Reply #162 on: February 01, 2020, 07:39:34 PM »

Looking good! I really like the tissue camo/yellow nose contrast. The cheeky grin effect in the front view shot is most endearing (although if a real one was homing in on me with its siren screaming perhsps it wouldn't seem quite so cute).
Amyway, nice work and an interesting and entertaining build as usual.
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Andy Blackburn
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« Reply #163 on: February 02, 2020, 04:16:41 AM »

Looks excellent, Lurk. I think you've successfully captured the essence of Stuka. I do like how it looks, even before the markings are applied.

We shall see what his honour The Judge thinks (if we can persuade him to stop being Nautical for an hour or so) but by my reckoning you're on somewhere between 50 and 75 penalty points, which is an excellent achievement of which you must be very proud. If you can persuade it to remain airborne for at least 12 seconds (which, if its sufficiently straight, will not be a problem) then the top prize of a "fry-up at either the establishment of the contestant's choice, or the Super Sausage cafe, Towcester" is yours. Well done.
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OZPAF
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« Reply #164 on: February 02, 2020, 04:22:44 AM »

"Super Sausage Café" ?? The horrors oa 12 sec flight must be worth it for that! Cheesy

John
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« Reply #165 on: February 02, 2020, 04:35:14 AM »

You sure you want to go to the Super Sausage Cafe at Towcester for the prize fry up?
Lots of those ruff tough bikers go there - might be a bit intimidating for you arty / intellectual aeromodeller types!

John M
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TheLurker
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« Reply #166 on: February 02, 2020, 02:40:47 PM »

Quote from: OZPAF
Not bad Lurk. Very Stukerish actually Smiley
Aye, "ish" but it is kit scale not open so I'll take "ish" and gladly at that.

Quote from: Pete Fardell
The cheeky grin effect...
Oh dear, and there was me hoping to achieve, "menacing".

Quote from: Pete Fardell
... entertaining build as usual.
Why thank you folks. I'm here all week and don't forget to tip the waitress.  Just as well these builds are entertaining, one hopes they are, it's large part of the fun for me, cos they don't have much else to recommend them.

Quote from: SP250
Lots of those ruff tough bikers go there - might be a bit intimidating for you arty / intellectual aeromodeller types!
I'm sure that they are all nice boys and kind to their mothers and small animals.  Anyway I'm not afraid cos, as any fule kno, Abl is a big ruff tuogh biker type and will uterly tuogh any oiks up if they lack manners.  Hello birds, hello sky.

Now, why did I come here?  I'd better go back downstairs and see what I've forgotten ...
Grams: Footsteps down in to cellar & back up.

Oh yes, now I remember.
Tidying up the unsatisfactory canopy and ....

Quote from: abl
... like how it looks, even before the markings are applied.
... but by my reckoning you're on somewhere between 50 and 75 penalty points

... applying Squadron codes and the stbd wing fasces as well as adding another tiny detail, stbd air inlet, missing from the KK kit in a desperate attempt to squeeze even more penalty points out of it.

For those interested.  The squadron codes are as the aircraft recognition number on the UC legs, details above, and the fasces are Indian ink on pre-doped tissue with a spritz of aerosol satin varnish for water resistance. Indian Ink doesn't seem to "take" especially well to doped tissue as I discovered while applying the first upper wing fasces, bad words may have been said, hence the varnish. They're held on with 50:50 by vol PVA, water.

As for the canopy; the Schwartzgrun should extend to some of the framing, but there's attention to detail and there's masochism so I'm content to run it into the lower frame and come final assembly run fillets of the appropriately coloured tissue in to hold it in place.  If I don't stuff it up I think the result will be OK.
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Rhys
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« Reply #167 on: February 03, 2020, 10:09:42 PM »

So sorry I'm just now replying to you fabulous built, TL !  Your execution of the build is really inspiring. Reminds me of a  plastic 1/24 scale Airfix kit I assembled for an IPMS meet in the latter 1970s. The splinter camp is ideal. What was your incentive to use the Regia Aeronautica rather than the Balkankreuz? I like your choice.
Again, really nice craftsmanship  Grin

Rhys
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TheLurker
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« Reply #168 on: February 04, 2020, 11:41:15 AM »

Quote from: Rhys
Reminds me of a plastic 1/24 scale Airfix kit....
Funny you should say that, a work colleague lent me his as yet unbuilt 1/24th kit over Xmas.  Was v. useful for a number of details esp. the trapeze. Interestingly they're still using the 1970s moulds for the 1/24th and they're still regarded as v. good as far as scale details go.

Quote from: Rhys
What was your incentive to use the Regia Aeronautica rather than...
Reasons of conscience.  See your personal messages.

Quote from: Rhys
Again, really nice craftsmanship  Grin
Careful now, the rest of the staff at Lurker Industries are already making pointed remarks about needing wider doors to the boardroom and it's yet to fly soo.... Smiley  But thanks for the kind words.


Speaking of plastic kits.  Any member of the parish interested in the 1/72nd kit?  I bought it as a reference for this build and as I have about 8 (yes 8 or is it 9?) 1/72nd Hurri kits ahead of it in the queue it's never going to be built up by me.  
« Last Edit: February 04, 2020, 12:51:55 PM by TheLurker » Logged
Jack Plane
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« Reply #169 on: February 04, 2020, 03:38:46 PM »


We shall see what his honour The Judge thinks (if we can persuade him to stop being Nautical for an hour or so)...


His Honour is keeping right out of it... until the endeavour is complete and ready to be assessed.

 Grin
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Andy Blackburn
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« Reply #170 on: February 04, 2020, 05:52:37 PM »

Apropos nothing, I happen to have a bottle of Navy Rum sitting on the sideboard. I don't drink it but I'm sure it would make Admiral Baron Von Markovitz' onerous judging task pass so much quicker...
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TheLurker
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« Reply #171 on: February 05, 2020, 03:00:14 AM »

Oh I say! That's really not on.  A blatant attempt by those bounders at TTOR to influence his Honour the Judge.  Not only bribery and corruption but offering inducements of a sort likely to affect his hard earnt and well deserved reputation for clear thinking and reasoning by intoxicating him.  I really must protest.  I shall be taking this up with the STC of the BMFA and failing that I shall be resorting to The Hague.  Harrumph!
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Andy Blackburn
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« Reply #172 on: February 05, 2020, 03:46:47 AM »


...A blatant attempt by those bounders at TTOR...


I have been authorised by The Board to convey their thanks for this belated recognition of their talents, albeit a little late in the day. It was worth a try, since nothing else has worked...  Smiley
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TheLurker
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« Reply #173 on: February 05, 2020, 03:49:06 PM »

And today's lesson O Best Beloved is, "How the Ju87 got his Exhaust Stacks and Why It Should Not Have Taken Half so Flaming Long as it Did."

Pics.  Some exhaust stacks of very indifferent quality and a reworked bomb cos I wasn't happy with the earlier attempt; which is also shown for comparison.

Why the pics of such unremarkable bits?  Well, you see the bits - I'm sure there's a German compound word running to 10 syllables for the part, but we'll stick with "bits" - that curve around the nose block?  Yes those bits.  It took between 6 & 7 hours all told  with various starts, abandonings and restarts to get the inner curves on those to sit nicely against the nose-block.  Now this is foolish.  If I had been thinking about it with even half one quarter of my brain cells I would have cut slots in the nose-block with nice,  easy to cut straight edges and slid the curved bits into them.  It would have taken and hour, tops, and the join would have been near invisible.  There are times - oh so many times - when my stupidity astounds me.
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« Reply #174 on: February 05, 2020, 09:57:50 PM »

Following along with great interest here. I think the prospects of avoiding the dreaded green hash toast are looking very good  Smiley

There are times - oh so many times - when my stupidity astounds me.

When I am beset by the same problem (with great frequency I may add) I find that the best solution is to get out my unicycle and see how fast I can go. This ritual is usually followed up by a sound of scraping along asphalt as I discover that my top speed (18 mph) the hard way  Grin

But more to the point, any way you look at it your work is beautiful. My unfinished models are looking at me with accusing expressions, asking why they aren't progressing so well. Happy building!

Paul
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