Author Topic: Sparmann E-7 (J 19)  (Read 7812 times)

Offline MAT

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Sparmann E-7 (J 19)
« on: April 06, 2021, 08:51:25 PM »
On 24 october 1940 a Messerschmitt Bf 109E from 4./JG 77 was on a mission from its base in Norway. The pilot, Uffz Fröba lost his bearings and flew into swedish airspace. Running low on fuel he decided to land on the racetrack near Karlstad. On the soft ground the plane flipped over and ended on its back.
The plane was rather extensive damaged and the wreck was taken by the swedish airforce (Flygvapnet) for investigation.

The airframe was given to SAAB and the engine went to Volvo. The engineers of SAAB were working full time on the development of J 21 fighter, B 17 divebomber and B 18 light bomber, so the task of getting something usefull out of the german wreck was given to the austrian born Edmund Sparmann and his staff. Volvo set on a nice piece of reverse engineering and turned the DB 601 from a 12-cylinder 1100 HP engine into a 18-cylinder 1950 HP beast.

The Sparmann team came up with the E-7 project, which got the Flygvapnet deignation J 19. The prototype took to the air in december 1944 and on the third flight clocked 683 km/h, making it by far the fastest airplane in Sweden. A pre-serie J 19s were testet in the summer of 1945 and by the end of 1945 the J 19 fighters were getting into service by two units: F 8 defending the capital Stockholm and F 9 covering the west coast of Sweden.

14 februar 1946 the german forces in Northern Norway launched a surprise attack in the direction af Kiruna in an attempt to get control of the important iron mines. The J 19s from F 8 took part in ”Operation Pippi” - the swedish counter attack.

The basic of this build will be an old Revell Bf 109E, which I had the intention of turning into a Bf 109B – but that was in a other galaxy a long, long time ago.
« Last Edit: April 08, 2021, 04:52:02 AM by MAT »

Offline Buzzbomb

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Re: Sparmann E-7 (J 19)
« Reply #1 on: April 07, 2021, 06:36:41 AM »
Good backstory  :smiley:

Offline apophenia

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Re: Sparmann E-7 (J 19)
« Reply #2 on: April 08, 2021, 04:34:57 AM »
Good backstory  :smiley:

It is. Love this concept for a '109 turned Sparmannjagar!  Edmund Sparmann would be proud  :smiley:
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Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #3 on: April 09, 2021, 01:22:46 AM »
Engines from two old Airfix Bf 109G will be combined to the 18-cylinder Volvo engine

Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #4 on: April 15, 2021, 01:54:11 AM »
Engine and fuselage getting into shape. The new fin and rudder once belonged to an ancient Frog Fw 190

Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #5 on: April 24, 2021, 10:28:14 PM »
Getting ready for assembly

Offline Buzzbomb

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Re: Sparmann E-7 (J 19)
« Reply #6 on: April 26, 2021, 12:51:57 PM »
Whizzing along nicely

Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #7 on: April 28, 2021, 12:35:17 AM »
The main parts are now glued tigether and ahead is a lot of PSR.

Offline apophenia

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Re: Sparmann E-7 (J 19)
« Reply #8 on: April 29, 2021, 08:00:55 AM »
Wow! The nose gear was unexpected ... but makes perfect sense  :smiley:

Love what you've done with the engine - especially the twin supercharger intakes  :-*
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Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #9 on: April 29, 2021, 04:44:20 PM »
After many sessions of putty and sanding the time has come for the first coat of paint. And now at last I get a clear idea of, what the Sparmann E-7 looked like. BTW the tailplane came from a Revell fit-the-box-scale F-89.
Being in Sweden in 1946 means, that the plane will be painted acording to the m/44 standard. The colours were the same as in the m/40 standard (dark green top/blue grey bottom) but the individual aircraft code for combat airplanes were changed from white numbers to coloured letters.
Being in northern Sweden in february means snow - and lots of it, so there will have to be some white too.
« Last Edit: May 05, 2021, 07:08:30 PM by MAT »

Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #10 on: April 29, 2021, 04:48:11 PM »
Wow! The nose gear was unexpected ... but makes perfect sense  :smiley:

Love what you've done with the engine - especially the twin supercharger intakes  :-*

Thanks. I love that engine too, but I'm afraid, that it don't really look like a nimble dogfighter - more like a strafer or something usefull for hit-and-run tactics

Offline Buzzbomb

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Re: Sparmann E-7 (J 19)
« Reply #11 on: April 30, 2021, 06:34:02 AM »
The nose wheel certainly makes sense with a COG frame of mind.

The entire engine setup really changes the look of the airframe

Offline apophenia

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Re: Sparmann E-7 (J 19)
« Reply #12 on: April 30, 2021, 06:43:58 AM »
It does indeed. With that big, 18-cylinder Saab, I was imagining this Sparmannjagar as a fast-climbing interceptor.
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Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #13 on: May 03, 2021, 02:16:15 AM »
Paint job done. Now it's time for decals

Offline finsrin

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Re: Sparmann E-7 (J 19)
« Reply #14 on: May 03, 2021, 04:57:56 AM »
Commendable mods resulting late war look.  Grinding through the putty and sanding paid off.   :smiley:

Offline Robomog

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Re: Sparmann E-7 (J 19)
« Reply #15 on: May 03, 2021, 09:56:43 AM »
Whoa !   Thats a big lump of an engine, but still a promising model  :smiley: :smiley:


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Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #16 on: May 05, 2021, 06:03:13 PM »
Decals done. Now it's time for the winter camo.

Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #17 on: May 05, 2021, 06:14:04 PM »
The first winter camo option is the usual whitewash, as seen on these two SAAB B 17Bs flying over Northern Sweden
« Last Edit: May 06, 2021, 07:08:40 AM by MAT »

Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #18 on: May 05, 2021, 06:16:36 PM »
The other option is to chose one of the experimental winter camo testet on some B 5s (licencebuild Northrop A8-1) in '40

Offline apophenia

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Re: Sparmann E-7 (J 19)
« Reply #19 on: May 06, 2021, 08:04:53 AM »
The other option is to chose one of the experimental winter camo testet on some B 5s (licencebuild Northrop A8-1) in '40

If there's a poll, I vote for Northrop option 'I'  :smiley:
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Offline Robomog

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Re: Sparmann E-7 (J 19)
« Reply #20 on: May 07, 2021, 05:26:25 PM »
Hmmm decisions decisions torn between  scheme A for effect and  scheme E for practicality ,   :D

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Offline Old Wombat

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Re: Sparmann E-7 (J 19)
« Reply #21 on: May 07, 2021, 10:59:13 PM »
G or I.

G looks quite practical, & I looks both practical & in line with the Swedish fondness for splinter schemes.
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Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #22 on: May 10, 2021, 08:27:53 PM »
Winter camo done. The selected scheme was I, adapted to suite airframe and markings.

Offline MAT

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Re: Sparmann E-7 (J 19)
« Reply #23 on: May 10, 2021, 08:30:10 PM »
And from the other side

Offline Frank3k

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Re: Sparmann E-7 (J 19)
« Reply #24 on: May 10, 2021, 11:26:00 PM »
This is a great conversion - between the larger engine and the fantastic camo, you can hardly tell it started as a 109.