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Matthias Dorst

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  • in reply to: News at MeierMotors GmbH / Bremgarten South Germany #1089237
    Matthias Dorst
    Participant

    A question which interests me for a long time : are the shapes of the Flugwerk 190A engine and guns cowlings different from the real 190A for some mechanical reasons, because of the different engine ?

    Yes, both reasons.

    As you know, the wartime Fw190 had a special oilcooling system with the socalled “Ringkühler” (ringradiator), the “Panzerring” or “Nasenspaltring” (“armoured ring” or “nose-gap-cowlring” in front of the cowling) and of course the axial-fan. The BMW was an aircooled engine and the fan was attached to a gearbox. The fan rotated about three times faster than the propeller. The fan produced an “overpressure” (dont know the right English term) in the cowling. This pressurized air was at first importent for the compressor of the engine, and second to cool down the oiltemperature while pressing fresh air through the ringradiator.
    To regulate the temperature in the cowling, the socalled “Panzerring” (armoured ring) was able to sweep about 10centimeters up and forward. Between “Panzerring/nasenspaltring” and cowling the hot air had the chance to leave the cowling through this gap. The radiators were placed in the cowling, as a ring-radiator. With that “Nasenspaltring” or “Panzerring” the temperature of the oil and of course of the cylinderheads were regulated. Tricky construction.

    http://www.focke-wulf190.com/images/bmwabmessungen.jpg

    In fact, the ASch82T does not have any gearbox for an axial-fan, so its no use to use an axial-fan to cool down engine and oil. If the fan is not attached on a gearbox, is turns with the same rotations per minute as the propeller. Worst case, this can “block” the airflow in the cowling and you can have heavy temperature problems. The fan must (!!) rotate faster than the propeller. No fan, no pressure in the cowling, will say temperature-problems. Flugwerk used a radiator under the gun-hood to cool down the oil. MeierMotors went the other way and placed the radiators in the wing of the aircraft (D-FMFW) and replaced the “gun-hood-radiator by a big oiltank, and it works perfect. In fact, the client who bought the Ex-G-FWAB ordered the ring-radiator-solution.

    The cowling of those Flugwerk-planes dont have that “Nasenspaltring” which regulates the airflow in the cowling, cause there is no overpressure and as I said, the construction is not so easy. In fact, all wartime Fw190 had temperature problems.

    As I said, if you have not enough pressurized air in the cowling, you must go another way. At the WkNr980554 the cowling/cowlring got special metalsheets to direct the airflow to the ring-radiator and the cylinders. The hot air is lead through the cowling and will leave the plane at the exhausts and the socalled “Kiemenklappen” (3 flaps at the exhausts).

    On the picture you can see the “metalconstruction for the airflow” in dark-grey, behind the ring-radiator in medium-grey. The fresh air will press through the ring radiator and cool down the oil.

    http://www.meiermotors.com/images/stories/Fw190_A8N_WkNr980554_13-08-105.jpg

    As read above, Flugwerk used the place under the gunhood for a radiator. Because of this radiator, the shape of the gunhood is different to a wartime Focke Wulf. Form follows function. In the middle of the gunhood there is the intake for the oilradiator.

    But if you have not enough pressurized air to cool down the oil, than you have to increase the quantity of oil. MeierMotors is using 126ltr-oiltanks !! This oiltank is placed under the gun hood, the Flugwerk-radiator is not no more used, cause of the ring-radiator (WkNr980554) or wing-radiator variant (D-FMFW).

    here you can see the huge oiltank under the gunhood

    http://www.meiermotors.com/images/stories/Fw190_A8N_WkNr980554_2010-09-016.jpg

    Pretty hard to explain in English, but I hope you understand what I want to say.

    in reply to: News at MeierMotors GmbH / Bremgarten South Germany #1089360
    Matthias Dorst
    Participant

    Indeed! They probably used a “schnell Armour Ringspinnmaschine”

    😉

    *schhhhhh that was one of those secret weapons, never tell something about that :dev2:

    in reply to: News at MeierMotors GmbH / Bremgarten South Germany #1089363
    Matthias Dorst
    Participant

    Motorhaube und Panzerring

    Please! See if the cowlings can be redesigned so they are the right shape!

    Bruce

    Hi Bruce,

    the cowling and cowlring is redesigned at the WkNr980554, (EX-G-FWAB) . In this ship a “ring-cooler” is installed

    http://www.meiermotors.com/images/stories/Fw190_A8N_WkNr980554_13-08-102.jpg

    from another angle

    http://www.meiermotors.com/images/stories/Fw190_A8N_WkNr980554_13-08-106.jpg

    http://www.meiermotors.com/images/stories/Fw190_A8N_WkNr980554_13-08-101.jpg

    ringcooler installation and redisigned exhausts

    http://www.meiermotors.com/images/stories/Fw190_A8N_WkNr_2010-07-30_2.jpg

    redesigning the cowling in July 2010

    http://www.meiermotors.com/images/stories/Fw190A8N_WkNr980554_7-7-2010HP1.jpg

    http://www.meiermotors.com/images/stories/Blecharbeiten9.jpg

    ready

    http://www.meiermotors.com/images/stories/Blecharbeiten2010-19-071.jpg

    in reply to: Focke Wulf Fw190 A8/N WkNr990013 (Ex-F-AZZJ) #1089505
    Matthias Dorst
    Participant

    ….I hope you will also start another thread for the conversion of ex-Tom Blair FlugWerk Fw190D to the D-9 configuration when it arrives to begin work.

    Yes I will do that … I´ve seen already pictures of that Jumo engine …. wow, thats a piece of iron I tell you

    in reply to: Focke Wulf Fw190 A8/N WkNr990013 (Ex-F-AZZJ) #1089525
    Matthias Dorst
    Participant

    😀 thats the way Marc looks like, when he is happy 😀

    http://www.dorst-freiburg.de/BilderStregaHP/Fw190A8N/Fw190A8N%20D-FMFW%20(4).jpg

    in reply to: Focke Wulf Fw190 A8/N WkNr990013 (Ex-F-AZZJ) #1089591
    Matthias Dorst
    Participant

    The rear fuselage dimantled …. sheet for sheet checking the structure

    http://www.dorst-freiburg.de/BilderStregaHP/Fw190%20A8N%20F-AZZJ/Fw190%20F-AZZJ%202010-10-21(3).jpg

    Building cradle for the tailplane

    http://www.dorst-freiburg.de/BilderStregaHP/Fw190%20A8N%20F-AZZJ/Fw190%20F-AZZJ%202010-10-21(2).jpg

    …… to be continued

    in reply to: Focke Wulf Fw190 A8/N WkNr990013 (Ex-F-AZZJ) #1089610
    Matthias Dorst
    Participant

    October 2010

    The plane, better the fuselage, is completely dismantled, rinsed with “tons” of fresh water and got rid of her colours. “All the glamour is gone”, time to check the damages. Jaquard used metal tanks and they made some ugly damages during the impact as the tanks went through the fuselage. Thats the reason why MeierMotors only use fireproof rubbertanks in their restauration projects.

    Here you can see the dismantled fuselage fixed on a building cradle. MeierMotor will build a cradle for every fuselage part. So the can take of the sheeting without twisting the airframe.

    http://www.dorst-freiburg.de/BilderStregaHP/Fw190%20A8N%20F-AZZJ/Fw190%20A8M%20F-AZZJ%2008-10-2010%20(4).jpg

    http://www.dorst-freiburg.de/BilderStregaHP/Fw190%20A8N%20F-AZZJ/Fw190%20A8M%20F-AZZJ%2008-10-2010%20(3).jpg

    The wing “lies” outside awaiting rain and freshwater also fixed in a cradle

    http://www.dorst-freiburg.de/BilderStregaHP/Fw190%20A8N%20F-AZZJ/Fw190%20A8M%20F-AZZJ%2008-10-2010%20(8).jpg

    http://www.dorst-freiburg.de/BilderStregaHP/Fw190%20A8N%20F-AZZJ/Fw190%20A8M%20F-AZZJ%2008-10-2010%20(7).jpg

    http://www.dorst-freiburg.de/BilderStregaHP/Fw190%20A8N%20F-AZZJ/Fw190%20A8M%20F-AZZJ%2008-10-2010%20(6).jpg

    http://www.dorst-freiburg.de/BilderStregaHP/Fw190%20A8N%20F-AZZJ/Fw190%20A8M%20F-AZZJ%2008-10-2010%20(5).jpg

    The ASch82T …. I think the radial has seen its best time … we will see

    http://www.dorst-freiburg.de/BilderStregaHP/Fw190%20A8N%20F-AZZJ/Fw190%20A8M%20F-AZZJ%2008-10-2010%20(2).jpg

    in reply to: News at MeierMotors GmbH / Bremgarten South Germany #1089617
    Matthias Dorst
    Participant

    Danke Mathias,

    That would be nice to see this project progress over the years.

    Grüsse

    Cees

    here we are, here we go http://forum.keypublishing.co.uk/showthread.php?p=1658598#post1658598

    in reply to: News at MeierMotors GmbH / Bremgarten South Germany #1089642
    Matthias Dorst
    Participant

    What are the plans with the ex-Jaquard FW190 which ditched during the summer and is now with Meier Motors as well?
    Will it be fully restored to fly or made static
    Cheers
    Cees

    Well, the WkNr 990013 (F-AZZJ) will be fully restored to fly. The plane was bought by a German enthusiast and the project will last about 3 years. Open is the engine-question, there are some nice ideas around, but nothing is fixed. I think I will open a new thread about this project if the community is interested.

    http://www.meiermotors.com/images/stories/Fw190_A8N_F-AZZJ2.jpg

    in reply to: The "Wot Plane" Thread. (Game rules in Post #1) #1089768
    Matthias Dorst
    Participant

    Curtiss XP-40Q?

    *hmmmm that was fast … too fast 😉 but right you are … your turn !

    in reply to: The "Wot Plane" Thread. (Game rules in Post #1) #1089792
    Matthias Dorst
    Participant

    thje next one …. have fun 😉

    http://www.meiermotors.com/images/stories/riddle1.jpg

    Cheers
    matthias

    in reply to: The "Wot Plane" Thread. (Game rules in Post #1) #1089799
    Matthias Dorst
    Participant

    Hello
    It was in the excellent “The Aircraft of the World 1965” by Green & Pollinger.

    Now a little colour in this B&W world ; Clue : it’s NOT french;)

    Cheers

    Richard

    its an Emigh A-2 Trojan , first flight 1947 …. you shot the plane Oskosh 2007 😀

    in reply to: News at MeierMotors GmbH / Bremgarten South Germany #1090003
    Matthias Dorst
    Participant

    3 shiny Mustangs

    Oh yes, that was really great ! 3 Mustangs, Spitfire, Corsair, 2 Focke Wulf, 2 Yak3 and a Noordyn AT-16 ….. the shop was pretty full 😀

    It happened in week 29, cause José Flores (foreman of Vintage V12´s) was in the shop doing some maintenenance at the 4 Merlins and 2 Allisons

    http://www.dorst-freiburg.de/BilderStregaHP/Yaknest/Werft%202010-19-07(7).jpg

    on the right D-FPSI “Lucky Lady VII” (Ex-Susy, Ex-Darlin Ann), then TF-51 D-FTSI (ex. Dream Girl) and Fw190 A8/M D-FMFW

    http://www.dorst-freiburg.de/BilderStregaHP/Yaknest/Werft%202010-19-07(4).jpg

    on the left side in the shop the Mustang D-FBUN (ex Huntress III)

    http://www.dorst-freiburg.de/BilderStregaHP/Yaknest/Werft%202010-19-07(2).jpg

    “Big Week” at MeierMotors 😀

    http://www.dorst-freiburg.de/BilderStregaHP/Yaknest/Werft%202010-19-07(1).jpg

    http://www.dorst-freiburg.de/BilderStregaHP/Yaknest/Werftimpressionen%202010-07-23(5).jpg

    http://www.dorst-freiburg.de/BilderStregaHP/Yaknest/Werft%202010-07-23(1).jpg

    in reply to: News at MeierMotors GmbH / Bremgarten South Germany #1090320
    Matthias Dorst
    Participant

    Thought that might be Yagen’s. That is some great news regarding the re-engine! I am here in Dayton and grew up with visiting that Bf-109.

    Do you know if the wing in question has been restored to airworthy yet?

    sry, really don´t know

    in reply to: News at MeierMotors GmbH / Bremgarten South Germany #1090423
    Matthias Dorst
    Participant

    Jerry Yagen’s Ha-1112 C.4K-64 formely with the USAFM at Dayton, OH (USA).

    confirm. The Buchon project is on the bench now. Really a great project. The airframe will get a DaimlerBenz heart. Lot of work … 😉

    http://www.meiermotors.com/images/phocagallery/thumbs/phoca_thumb_l_buchonprojekt%20130820101.jpg

Viewing 15 posts - 361 through 375 (of 375 total)