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#4574687 - 07/18/21 05:53 PM 1:32nd scale Junkers D.I  
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Hi all,
I'm waiting for the display case to arrive for the previous model.
As the last few resin models completed required a lot of 'scratch' building, I thought I'd build something without any struts or rigging.
So this time around it'll be the ‘Wingnut Wings’ Junkers D.I (Kit No.32065).

[Linked Image]

This model will depict a Junkers D.I that was involved in a flying accident, possibly during testing, on the 3rd of October 1918.
It was most likely repaired and possibly given the Serial No: 5188/18.
It was then operated by either MFJG in Belgium or with Kampfgeschwader ’Sachsenburg’, operating in the Baltic during 1919.

The Junkers D.I was designated as a ‘battle plane’, meaning its perceived operational role was to be that of ground attack, rather than as a fighter.
Only 40 aircraft were built between June 1918 and February 1919 and it seems of these, only 5 were delivered to the front.
It's not certain than any of these aircraft took part in actual combat.
Although there were reports from the British late in the war that there were ’encounters with German monoplanes that were covered with corrugated sheet’.
These 5 aircraft were eventually abandoned on the German landing field of Hombeek in Belgium.
However, the aircraft did see active service after the war, in action against the Bolshevik forces in the Baltic countries.
They were operated by the ‘Kampfgeschwader Sachsenburg’ volunteer regiment, commanded by Gothard Sachsenburg, a former pilot of the German naval ’Marine Jasta’.
The regiment consisted of 3 squadrons, being FA413 (reconnaissance), FA416 (fighter) and FA417 (ground attack).
Both FA416 and FA417 operated the Junkers D.I as well as the Junkers CL.I (two seat version) aircraft.
A few aircraft were lost in combat, including a Junkers D.I being flown by Josef Jacobs.
When hostilities ceased, those aircraft remaining were found by Soviet forces, abandoned on an airfield near Riga.

The lineage of this aircraft traces back to Professor Hugo Junkers, when in 1912 he patented a design for a thick, cantilever constructed initially of corrugated steel.
The first Junkers J.I and J.2 monoplanes were built but proved too heavy for operational use.
Therefore the Junkers J.3 was redesigned during 1916 using an aluminium alloy (Duraluminium).
However it was shelved when production was switched to the Junkers J.1 biplane, which entered service in 1917.
Due to the positive response for the J.I, work recommenced on an armored single seat monoplane, starting with the Junkers J.5 through to the J.9, which eventually became the operational Junkers D.1.
The maiden flight took place in May 1918 and further changes to the design saw 4 aircraft of the final version dispatched to the front in October 1918.
The design of this aircraft was revolutionary for its time, being a monoplane of metal construction and with only cross brace rigging on the undercarriage.
The airframe was essentially of tubular construction with corrugated Duraluminium covering.
Various engines were fitted during the prototype stages, but it seems the Daimler-Mercedes D.IIIa (180hp) or D.IIIaü (200hp) engines were fitted to operational aircraft.
Armament consisted of twin 7.92 mm LMG 08/15 ‘Spandau’ machine guns.

Mike


[Linked Image]

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#4574725 - 07/19/21 07:15 AM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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catch Offline
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An interesting crate. Well ahead of its time. Tony Fokker was, as always, astute enough to borrow Hugo's advanced ideas and make them his own in later cantilever engineered kites. I look forward to completion of this model.

#4574740 - 07/19/21 12:47 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Robert_Wiggins Offline
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Mike since this seems a much easier build, it only stands to reason that you should complexify it! I can't wait to see your scratch built corugated panels! 😁

Last edited by Robert_Wiggins; 07/19/21 12:48 PM.

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#4574741 - 07/19/21 12:49 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Super choice! Looking forward to this build.

#4574833 - 07/19/21 09:04 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Hi Rob,
Thankfully the corrugated surface are pre-moulded.

Hi all,
I'm starting on the engine.
The right side of the engine has a coolant pipe, interconnected between each of the cylinder jackets.
Due to limitations of moulding, this pipe looks unrealistic and joins the bottoms of the cylinders, which should be separated..
Therefore I've cut it away from the cylinders and replaced each pipe with 0.8 mm diameter plastic rod, chamfered at each end to merge with the cylinders at each end.
Game on,

Mike

[Linked Image]


[Linked Image]

Alienware Aurora R5
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#4574864 - 07/20/21 02:45 AM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Originally Posted by Sandbagger

Due to limitations of moulding, this pipe looks unrealistic and joins the bottoms of the cylinders, which should be separated..
Therefore I've cut it away from the cylinders and replaced each pipe with 0.8 mm diameter plastic rod, chamfered at each end to merge with the cylinders at each end.


And so it begins.

Last edited by mandrews; 07/20/21 02:45 AM.

i7-7700 @ 3.6GHz, 32GB DDR4 RAM, SSD (OS) + SSD (Games), GTX 1070 Ti, Acer Predator Z35p 3440x1440 GSync
#4574918 - 07/20/21 03:53 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Hi all,
I've added 'Taurus Models' resin fuel primers (D3219) and spark plugs (D3218).
The primer levers will be fitted later in the engine build so as to avoid breaking them whilst handling,

Mike

[Linked Image]

[Linked Image]


[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
Intel i7-6700K 4.2Ghz
Two GTX 1080 Foundations in SLI (8 Gig each)
32 Gig DDR4 2133Mhz
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5.1 Surround Sound
34" Dell Ultra Sharp U3415W (3440x 2440)
CH Pro-Pedals, Stick and Throttle
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#4575263 - 07/24/21 12:51 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Very cool! Like everyone else, I look forward to its completion. Thanks for sharing!

#4575569 - 07/27/21 01:47 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Hi all,
I've been working on the engine.
The pipework supplied in the kit is fragile and easily broken.
Also the engine had pipes from the air valve at the top, front of the engine.
These were attached to the crankcase and one into a valve with a 'bleed' tap, fitted to the forward left side.
I decided to add the air valve pipes and the sump breather pipe and replace all of the tubes and the ignition lead support tubes with Brass rod and tubing.
I've also added the extra valve with a 'Taurus Models' resin tap,

Mike

[Linked Image]

[Linked Image]


[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
Intel i7-6700K 4.2Ghz
Two GTX 1080 Foundations in SLI (8 Gig each)
32 Gig DDR4 2133Mhz
1TB SSD boot drive - 1TB SATA storage drive
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34" Dell Ultra Sharp U3415W (3440x 2440)
CH Pro-Pedals, Stick and Throttle
TrackIR-5 Pro
#4575571 - 07/27/21 01:53 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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trustworthykebab Offline
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You couldn't resist adding your great mods here either! Looking good so far smile

#4575573 - 07/27/21 02:34 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Robert_Wiggins Offline
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Mike;

what are you using as a tool to bend those fragile pipes without risking crinking them?


(System_Specs)
Case: Cooler Master Storm Trooper
PSU: Ultra X3,1000-Watt
MB: Asus Maximus VI Extreme
Mem: Corsair Vengeance (2x 8GB), PC3-12800, DDR3-1600MHz, Unbuffered
CPU: Intel i7-4770K, OC to 4.427Ghz
CPU Cooler: Cooler Master Seidon 240M Liquid CPU Cooler
Vid Card: ASUS GTX 980Ti STRIX 6GB
OS and Games on separate: Samsung 840 Series 250GB SSD
Monitor: Primary ASUS PG27AQ 4k; Secondary Samsung SyncMaster BX2450L
Periphs: MS Sidewinder FFB2 Pro, TrackIR 4

#4575589 - 07/27/21 04:31 PM Re: 1:32nd scale Junkers D.I [Re: Robert_Wiggins]  
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Sandbagger Offline
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Originally Posted by Robert_Wiggins
Mike;

what are you using as a tool to bend those fragile pipes without risking crinking them?



Hi Rob,
Just gently bent around a suitable round former,

Mike


[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
Intel i7-6700K 4.2Ghz
Two GTX 1080 Foundations in SLI (8 Gig each)
32 Gig DDR4 2133Mhz
1TB SSD boot drive - 1TB SATA storage drive
5.1 Surround Sound
34" Dell Ultra Sharp U3415W (3440x 2440)
CH Pro-Pedals, Stick and Throttle
TrackIR-5 Pro
#4575703 - 07/28/21 04:30 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Hi all,
Just a few final details on the engine.
The two carburettor fuel supply pipes from 0.375 mm diameter copper wire. These are to attached to the gravity fuel tank at the rear of the engine bay.
The throttle control linkage on the top of the carburettor housing (from odd photo-etch parts) and the support tube for the cockpit operated throttle control cable.
Finally the magneto spark advance cross tube (0.4 mm diameter Nickel-Silver tube) and levers.
The left lower lever will be attached to the control rod from the spark advance lever in the cockpit,

Mike

[Linked Image]

[Linked Image]

[Linked Image]


[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
Intel i7-6700K 4.2Ghz
Two GTX 1080 Foundations in SLI (8 Gig each)
32 Gig DDR4 2133Mhz
1TB SSD boot drive - 1TB SATA storage drive
5.1 Surround Sound
34" Dell Ultra Sharp U3415W (3440x 2440)
CH Pro-Pedals, Stick and Throttle
TrackIR-5 Pro
#4576085 - 07/31/21 01:21 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Sandbagger Offline
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Hi all,
Engine done,

Mike

[Linked Image]

[Linked Image]

[Linked Image]

Last edited by Sandbagger; 07/31/21 01:22 PM.

[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
Intel i7-6700K 4.2Ghz
Two GTX 1080 Foundations in SLI (8 Gig each)
32 Gig DDR4 2133Mhz
1TB SSD boot drive - 1TB SATA storage drive
5.1 Surround Sound
34" Dell Ultra Sharp U3415W (3440x 2440)
CH Pro-Pedals, Stick and Throttle
TrackIR-5 Pro
#4576097 - 07/31/21 03:23 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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An absolute beauty Mike. I sure hope you are leaving the cowling off/open so we can see it in the finished product.


i7-7700 @ 3.6GHz, 32GB DDR4 RAM, SSD (OS) + SSD (Games), GTX 1070 Ti, Acer Predator Z35p 3440x1440 GSync
#4576124 - 07/31/21 06:18 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Hmmm - it would be a shame not to yep

Mike


[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
Intel i7-6700K 4.2Ghz
Two GTX 1080 Foundations in SLI (8 Gig each)
32 Gig DDR4 2133Mhz
1TB SSD boot drive - 1TB SATA storage drive
5.1 Surround Sound
34" Dell Ultra Sharp U3415W (3440x 2440)
CH Pro-Pedals, Stick and Throttle
TrackIR-5 Pro
#4576127 - 07/31/21 06:28 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Robert_Wiggins Offline
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Originally Posted by Sandbagger
Hmmm - it would be a shame not to yep

Mike


Oh yes!!, and don't forget the mechanic with wrench in hand working on it! yep


(System_Specs)
Case: Cooler Master Storm Trooper
PSU: Ultra X3,1000-Watt
MB: Asus Maximus VI Extreme
Mem: Corsair Vengeance (2x 8GB), PC3-12800, DDR3-1600MHz, Unbuffered
CPU: Intel i7-4770K, OC to 4.427Ghz
CPU Cooler: Cooler Master Seidon 240M Liquid CPU Cooler
Vid Card: ASUS GTX 980Ti STRIX 6GB
OS and Games on separate: Samsung 840 Series 250GB SSD
Monitor: Primary ASUS PG27AQ 4k; Secondary Samsung SyncMaster BX2450L
Periphs: MS Sidewinder FFB2 Pro, TrackIR 4

#4576326 - 08/02/21 08:21 PM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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Hi all,
The basic internal fuselage is now finished.
The model will be made with both wings attached.
I've added a spark advance control and both throttle cable and gun triggers cables.
The engine oil tank and the two machine gun need to be fitted, but only after the fuselage is closed up.
I'm replacing the kit supplied machine guns with 'GasPatch' resin weapons,

Mike

[Linked Image]

[Linked Image]

[Linked Image]

[Linked Image]


[Linked Image]

Alienware Aurora R5
Windows 10 64 bit
Intel i7-6700K 4.2Ghz
Two GTX 1080 Foundations in SLI (8 Gig each)
32 Gig DDR4 2133Mhz
1TB SSD boot drive - 1TB SATA storage drive
5.1 Surround Sound
34" Dell Ultra Sharp U3415W (3440x 2440)
CH Pro-Pedals, Stick and Throttle
TrackIR-5 Pro
#4576349 - 08/03/21 02:02 AM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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What else is there to say but WOW, just WOW! This looks to be your most detailed ever engine build? Amazing Sir.

S!Blade<><

#4576354 - 08/03/21 02:44 AM Re: 1:32nd scale Junkers D.I [Re: Sandbagger]  
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I'm convinced if you put a bit of petrol in the carburetor, that engine would start right up!

Fantastic work!

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