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1/48 A20g havoc
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Discussie: A20g havoc

  1. #1

    Standaard A20g havoc

    Kon niet langer wachten om de deelname te bevestigen aan deze groepsbouw Wanneer ik start weet ik nog niet dadelijk, maar deze brave dame wordt het dus :



    Deze heb ik overgekocht van Erwin, Erwin, via deze nogmaals bedankt voor het geduld

    en was voorzien van tal van extra's zoals Resin wielen, Eduard PE Setje voor het algemeen aansmukken van de kit, extra decals (ook voor D Day te gebruiken ) en een vervangset voor de canopy en de turret (wegens clear parts waren verdwenen).

    Volledige oplijsting van de foto's volgt later wegens batterijen leeg.

    Wat achtergrond

    Design and development
    In March 1937, a design team headed by Donald Douglas, Jack Northrop and Ed Heinemann produced a proposal for a light bomber powered by a pair of 450 hp (340 kW) Pratt & Whitney R-985 Wasp Junior engines mounted on a high-mounted wing. It was estimated it could have carried a 1000 lb (450 kg) bomb load at 250 mph (400 km/h). Reports of aircraft performance from the Spanish Civil War indicated that this design would be seriously underpowered and, subsequently, it was cancelled.

    In the autumn of the same year, the United States Army Air Corps issued its own specification for an attack aircraft. The Douglas team, now headed by Heinemann, took the Model 7A design, upgraded to 1100 hp (820 kW) Pratt & Whitney R-1830 S3C3-G Twin Wasp engines, and submitted the design as the Model 7B. It faced competition from the North American NA-40, the Stearman X-100 and the Martin 167F. The Model 7B was maneuverable and fast, but did not attract any US orders.

    The model did, however, attract the attention of a French Purchasing Commission visiting the USA. The French discreetly participated in the flight trials, so as not to attract criticism from US isolationists, but the secret was blown when the 7B crashed on 23 January 1939, while demonstrating single-engine performance. The French were still impressed enough to order 100 production aircraft, with the order increased to 270 when the war began. Sixteen of those had been ordered by Belgium for its Aviation Militaire.

    Although not the fastest or longest-legged in its class, the Douglas DB-7 series distinguished itself as a tough, dependable combat aircraft with an excellent reputation due to its speed and manoeuvrability. In a report to the Aeroplane and Armament Experimental Establishment (AAEE) at RAF Boscombe Down, test pilots summed it up as "has no vices and is very easy to takeoff and land... The aeroplane represents a definite advantage in the design of flying controls... extremely pleasant to fly and manoeuvre."[1] Ex-pilots often consider it their favorite aircraft of the war due to the ability to toss it around like a fighter.[2] Its true impact was that the Douglas bomber/night fighter was extremely adaptable and found a role in every combat theater of the war and excelled as a true "pilot's aeroplane."[3]

    When DB-7 series production finally ended on 20 September 1944, a total of 7,098 had been built by Douglas and a further 380 by Boeing

    Operational history

    A-20G Havoc USAACThe French order called for substantial modifications, and the new designation DB-7 (for Douglas Bomber 7) was introduced. It had a narrower, deeper fuselage, 1000 hp (750 kW) Pratt & Whitney R-1830-SC3-G radials, French-built guns, and metric instruments. Midway through the delivery phase, engines were switched to 1100 hp (820 kW) Pratt & Whitney R-1830-S3C4-G. The French designation was DB-7 B-3 (the B-3 signifying "three-seat bomber").

    The DB-7s were shipped in sections to Casablanca for assembly and service in France and French North Africa. When the Germans attacked France and the Low Countries on 10 May 1940, the 64 available DB-7s were deployed against the advancing Panzers. Before the armistice they were evacuated to North Africa to avoid capture by German forces. Here, they fell under control of the Vichy government, but saw practically no action against the Allies except briefly during Operation Torch. After French forces in North Africa had sided with the Allies, DB-7 were used as trainers and were replaced in frontline units by B-26 Marauders. In early 1945, a few DB-7s were sent back to France where they saw action against the remaining isolated German pockets on the Western coast.

    Variants
    Boston I & II
    The Royal Air Force agreed to take up the balance of the now-frustrated French order which was diverted to Britain, and the aircraft were given the service name Boston with the further designation of "Mark I" or "Mark II" according to the earlier or later engine type.
    Havoc I
    The aircraft was not really suitable for RAF use as its range was too limited for daylight raids on Germany. Many of the Boston Mk II, plus some re-engined Mk Is, were converted for night time duties - either as intruders with 2,400 lb (1,100 kg) bombs, or as night-fighters with AI Mk IV radar. These were known collectively as Havoc Mk I. A total of 181 Bostons were converted to Havocs. In interdiction raids, Havoc intruders caused considerable damage to German targets.
    Havoc-Pandora
    Twenty Havocs were converted into intruder aircraft, utilizing the Long Aerial Mine (LAM), an explosive charge trailed on a long cable in the path of enemy aircraft in the hope of scoring a hit. Trials conducted with lone Handley Page Harrows dropping LAMs into the stream of German bombers were not successful, consequently, the Havocs were converted back to Mk I intruders.
    Havoc I Turbinlite
    A further 31 Havocs were fitted with a 2,700 million candela (2.7 Gcd) searchlight in the nose. They were unarmed and were supposed to illuminate targets for accompanying Hurricane fighters, but in practice they just made nice bright targets for German gunners.
    DB-7A / Havoc II
    The French Purchasing Commission ordered a further 200 bombers, to be fitted with 1600 hp (1195 kW) Wright R-2600-A5B Double Cyclone engines. This variant was designated DB-7A by Douglas. None had been delivered before the fall of France, and they served instead as night-fighters with the RAF under the name of Havoc Mk II. They had an impressive top speed of 344 mph (550 km/h) at altitude. 39 of them were used briefly in Turbinlite roles.
    DB-7B / Boston III
    The DB-7B was the first batch of the series to actually be ordered by Britain, in February 1940. Powered by the same engines as the DB-7A, with better armor and, crucially, larger fuel tanks, these were at last suitable for British use in the light bomber role. This was the batch for which the name "Boston" was first reserved, but since the commandeered DB-7s entered service first, this batch became known as the Boston Mk III. Amongst other operations, they took part in the attacks on the Scharnhorst, Gneisenau and Prinz Eugen during their dash through the English Channel (Operation Cerberus) and the infamous raid on Dieppe (Operation Jubilee). Three hundred were delivered and some were converted for use in intruder and night fighter roles.
    DB-73
    A French variant very similar to BD-7B, which again were diverted to England as Boston Mk IIIs. Many of these were built under licence by Boeing. Events further overtook this shipment after the German attack on the Soviet Union and the Attack on Pearl Harbor, when many Bostons were sent to the USSR and many more retained by the USAAF for its own use. Twenty-two were also sent to the RAAF by the British.
    DB-7C
    A Netherlands variant intended for service in the Netherlands East Indies, but the Japanese invasion was complete before they were delivered. The order was sent instead to the Soviet Union under Lend-Lease which would receive 3,125 examples of different variants of the Douglas DB-7 series.[2]

    T30 triple launcher for 4.5 in (114 mm) rocketsWhen shipments to the UK finally resumed, they were delivered under the terms of Lend-Lease. These aircraft were actually refitted A-20Cs known as the Boston IIIA.
    A-20
    The original American indifference to the Model 7B was overcome by the improvements made for the French and British, and the Army Air Corps ordered two models, the A-20 for high-altitude bombing and the A-20A for lower-altitude work. Both were similar to the DB-7B, the A-20 was to be fitted with turbosupercharged Wright R-2600-7 engines, but these were bulky and the prototype suffered cooling problems, so the remainder were completed with the un-supercharged R-2600-11, 59 as P-70 fighters and 3 as F-3 reconnaissance planes (described below).
    One A-20 was evaluated by the US Navy as the BD-1, while the US Marine Corps operated eight examples as the BD-2.

    A-20A
    The U.S. Army ordered 123 A-20As with R-2600-3 engines, and a further 20 with more powerful R-2600-11. They entered service in spring 1941. The Army liked the A-20A because of its excellent performance and because it had no adverse handling characteristics. Nine of them were transferred to Australia in 1943. The British name "Havoc" was adopted for the A-20A.
    A-20B
    The A-20B received the first really large order — 999 — from the US Army. They resembled the DB-7A rather than the DB-7B, with light armor and stepped rather than slanted glazing in the nose. In fact, 665 were exported to the Soviets, so relatively few actually served with the USAAC.
    A-20C

    A-20C being serviced at Langley Field, Virginia, 1942.The A-20C was an attempt to standardize a common British and American version, produced from 1941. It reverted to the slanting nose-glass and had RF-2600-23 engines, self-sealing fuel tanks and additional armor. They were equipped to carry an external 2000 lb (900 kg) naval torpedo. A total of 948 were built for Britain and the Soviet Union, but many were retained by the USAAF after Pearl Harbor. The Soviet A-20s were often fitted out with turrets of indigenous design.[4]
    A-20G
    The A-20G, delivered from February 1943, would be the most produced of all the series - 2850 were built. The glazed nose was replaced by a solid nose containing four 20 mm cannon and two 0.50 in (12.7 mm) Colt-Browning machine guns, making the aircraft slightly longer than previous versions. After the first batch of 250 the unreliable cannon were replaced by more machine guns. Some had a wider fuselage to accommodate a power driven gun turret. Many A-20Gs were delivered to the Soviet Union. The powerplant was the 1,600 hp (1,200 kW) R-2600-23. US A-20Gs were used on low-level sorties in the New Guinea theatre.
    A-20H
    The A-20H was the same as A-20G, continued with the 1,700 hp (1,270 kW) R-2600-29. 412 of these were built. The takeoff weight was raised to 24,170 lb (10,960 kg).
    A-20J / Boston IV
    The A-20J carried an additional bombardier in an extended acrylic glass nose section. These were intended to lead bombing formations, with the following standard A-20s dropping their bombs when signaled by the leader. A total of 450 were built, 169 for the RAF which designated them Boston Mk IV from summer 1944.
    A-20K / Boston V
    The A-20K (Boston Mk V in RAF parlance) was the final production version of the A-20 series, the same as the A-20J except for R-2600-29s instead of -23s.
    P-70
    In October 1940 the USAAC felt a need for long-range fighters more than attack bombers, so some of the production run of A-20s were converted to P-70 and P-70A night-fighters. They were equipped with SCR-540 radar (a copy of British AI Mk IV), the glazed nose often painted black to reduce glare and hide the details of the radar set, and had four 20 mm forward-firing cannon in a ventral bomb bay tray. Further P-70 variants were produced from A-20C, G and J variants. The singular airframe P-70B-1 (converted from an A-20G) and subsequent P-70B-2s (converted from A-20Gs and Js) had American centimetric radar (SCR-720 or SCR-729) fitted. The P-70s and P-70As saw combat ONLY in the Pacific during World War II and only with the USAAF. The P-70B-1 and P-70B-2 aircraft never saw combat but served as night fighter aircrew trainers in the US in Florida and later in California. All P-70s were retired from service by 1945.
    F-3A
    The F-3A was a conversion of 46 A-20J and K models for night-time photographic reconnaissance (F-3 were a few conversions of the original A-20). This variant was employed in the European Theatre by the 155th Night Photo Squadron which began its deployment as the 423rd Night Fighter Squadron. The 423rd was converted to its photo mission in part because of knowledge of night fighter tactics which could be used to defend against German aircraft. Although armament was removed, the crew of three was retained consisting of, pilot, observer, and navigator. The first Allied aircraft to land at Itazuke, Japan after the August 1945 surrender was an F-3A.
    DB-1
    One A-20A was bought in 1940 by the United States Navy for evaluation for use by the United States Marine Corps. The Navy/Marine Corps did not have any priority on the production lines, so the DB was not put into service.
    DB-2
    In 1942, eight former Army A-20Bs were diverted to the United States Navy for use as high-speed target tugs. Despite the addition of the target-towing equipment and the removal of all armament and the provision to carry bombs the aircraft were still designated DB in the Bomber sequence. They were withdrawn from service in 1946.
    O-53
    An observation/reconnaissance version of the A-20B powered by two 1700hp R-2600-7 engines, order for 1489 aircraft was cancelled and none were built

    Zoals je kan zien, een zeer uitgebreide stamboom dat deze dame heeft.
    Mijn blog :http://jadefalconguard.wordpress.com/

    My Wallet is curled up in a corner, scared, lonely and wondering when the hurting will stop....
    the Wallets feels dirty, unkept fingers fondle it at all of his secret places...
    The screaming starts.......

  2. #2

    Standaard

    Veel plezier er mee en natuurlijk maak er wat moois van.
    laat de fotos maar snel komen.

    Mark

  3. #3

    Standaard

    Een knap model en ik ben benieuwd naar de eerste pics.
    Veel plezier en succes met de bouw.

    Groeten,
    Swa

  4. #4

    Standaard

    Mooi model.
    Heb ik ook nog ergens liggen
    Misschien kan ik hier nog iets leren.
    Veel plezier.

    Erik.
    Grtz Erik.
    Bezig aan een treintafel en hier en daar de diepvriezer uitladen.

  5. #5
    merlijn432
    Gast

    Standaard

    mooie kit! revell heeft er onlanks ook zo een uitgebracht dacht ik. Ik kijk al uit naar het verslag

  6. #6

    Standaard

    Thx guys hierbij alvast wat extra inhoud die Erwin had voorzien :

    Extra Decals :



    het zal "La France Libre" worden die in de gekende D Day markings zal vliegen, O.D. uppersurfaces met donkergroene 'vlekken' en dark gray onderkant.

    De PE en resin parts :



    Nieuwe canopy :



    En een aantal onderdelen die waren los gekomen :



    Het eigenlijke model wordt een A-20G-25, s/n 43-9224 van het 668th BS, 416th BG dat schijnbaar gestationeerd was in Frankrijk ??

    anyway, als ik meer weet over deze Havoc plaats ik deze erbij

    groeten,

    G.


    PS1 de -25 aanduiding duidt op het bloknummer van de productiebatch
    PS2 info over de 9th AF : 9th Army Air Force - Tactical Bombing Raids over occupied Europe
    Laatst gewijzigd door pantani; 12-08-10 om 11:55
    Mijn blog :http://jadefalconguard.wordpress.com/

    My Wallet is curled up in a corner, scared, lonely and wondering when the hurting will stop....
    the Wallets feels dirty, unkept fingers fondle it at all of his secret places...
    The screaming starts.......

  7. #7
    Senior Lid
    Geregistreerd
    01-07-08
    Berichten
    3.454

    Standaard

    Hey Jade,

    Het eigenlijke model wordt een A-20G-25, s/n 43-9224 van het 668th BS, 416th BG dat schijnbaar gestationeerd was in Frankrijk ??
    Klopt perfect, in de uitleg beneden kan je lezen dat het squadron op 3 verschillende vliegvelden gestationeerd tussen sep 1944 en mei-juli 1945.

    Mooi vliegtuig Deze wordt het dus :




    Bron : /www.aviationmodelworks.com


    Bron : europe-miniatures.com

    Wat foto's van de "echte" : Miss Laid was renamed "La France Libre" (more politically correct) to participate in a ceremony in Paris honoring the accomplishment.
    The former name and nose art still shows faintly through the olive drab overcoat (probably not by accident) as the crew pose in the cockpit area.
    Photo 1, Left to right: Capt. Hugh Monroe, pilot; Ssgt Steve Risko, tunnel gunner; Ssgt Wilmar Kidd, turret gunner :




    Bron : 670th Bomb Squadron Personnel

    Bouwverslag van deze kit : AMT A-20G "Havoc"

    Wat foto's van de cockpit, op de site bij de bronvermelding vind je ze in supergroot formaat :






    Bron : National Museum of the USAF - Fact Sheet Media

    Dit is een toestel van het zelfde squadron :


    Bron : wings palette


    Hier is wat info over de 416 BG :

    416th Bombardment Group

    Constituted as 416th Bombardment Group (Light) on 25 Jan 1943. Activated on 5 Feb 1943. Used A-20's in preparing for duty overseas. Moved to England, Jan-Feb 1944, and assigned to Ninth AF. Entered combat in Mar 1944, and during the next several weeks directed most of its attacks against V-weapon sites in France. Flew a number of missions against airfields and coastal defenses to help prepare for the invasion of Normandy. Supported the invasion in Jun 1944 by striking road junctions, marshalling yards, bridges, and railway overpasses. Assisted ground forces at Caen and St Lo in Jul and at Brest later in the summer, by hitting transportation facilities, supply dumps, radar installations, and other targets. In spite of intense resistance, the group bombed bridges, railways, rolling stock, and a radar station to disrupt the enemy's retreat through the Falaise gap, 6-9 Aug 1944, and received a DUC for the missions. Assisted the airborne attack on Holland in Sep. Supported the assault on the Siegfried Line by pounding transportation, warehouses, supply dumps, and defended villages in Germany. Converted to A-26 aircraft in Nov. Attacked transportation facilities, strong points, communications centers, and troop concentrations during the Battle of the Bulge, Dec 1944-Jan 1945. Aided the Allied thrust into Germany by continuing its strike against transportation, communications, airfields, storage depots, and other objectives, Feb-May 1945. Bombed flak positions in support of the airborne assault across the Rhine in Mar 1945. Returned to the US, Jul-Oct 1945. Inactivated on 24 Oct 1945.

    Squadrons. 668th: 1943-1945. 669th: 1943-1945. 670th: 1943-1945. 671st: 1943-1945.

    Stations. Will Rogers Field, Okla, 5 Feb 1943; Lake Charles AAFld, La, 4 Jun 1943; Laurel AAFld, Miss, Nov 1943-c. 1 Jan 1944; Wethersfield, England, Feb 1944; Melun, France, Sep 1944; Laon/Athies, France, Feb 1945; Cormeilles-en-Vexin, France, May-Jul 1945; Camp Myles Standish, Mass, c. 23-24 Oct 1945.

    Commanders. Lt Col Richard D Dick, Feb 1943; Col Harold L Mace, Oct 1943; Col Theodore R Aylesworth, 3 Aug 1944-1945.

    Campaigns. Air Offensive, Europe; Normandy; Northern France; Rhineland; Ardennes-Alsace; Central Europe.

    Decorations. Distinguished Unit Citation: France, Aug 1944.


    De badges van de squadrons :



    Veel plezier en succes

    Groeten, Pascal
    Laatst gewijzigd door pantani; 12-08-10 om 11:56

  8. #8

    Standaard

    Hey JFG,

    Blij je hier te zien opdoemen voor de Groepsbouw.
    Mooie machine die je gaat maken.

    Ik ken niks van vliegers, maar ben wel benieuwd naar je updates...

    Suk6.

    Grtz,
    Beyond

  9. #9

    Standaard

    Hey Beyond...het is voor mij ook laaaaang geleden dat ik er nog een vliegtuigkitje heb op nageslagen, we zullen wel zien zeker als we dit nog kunnen

    Pascal, reuzebedankt voor de foto's en de bronnen was al een tijdje aan het zoeken zonder veel succes...Nu meoten we dus zoeken naar een mogelijkheid om dit historisch moment te maken (dus de oude benaming doorschijnend)

    groeten,

    G.
    Mijn blog :http://jadefalconguard.wordpress.com/

    My Wallet is curled up in a corner, scared, lonely and wondering when the hurting will stop....
    the Wallets feels dirty, unkept fingers fondle it at all of his secret places...
    The screaming starts.......

  10. #10
    Bijna Goddelijke forum Lid GUnit's schermafbeelding
    Geregistreerd
    06-08-08
    Berichten
    6.219

    Standaard

    Nog zo'n hoofdrolspeler hier, prachtige keuze ! Veel suczes met deze kit. De lucht gaat even vol zitten als toen. GUnit.

  11. #11

    Standaard

    Citaat Oorspronkelijk geplaatst door kurt Bekijk bericht
    binnenkort schiet beyond al die vliegtuigen uit de lucht met zijn flak
    Hierbij een oproep aan iedereen die nog granaten voor een 88mm en/of 37mm liggen hebben op schaal 1/72.
    Gelieve deze aan mij te verkopen a.u.b.
    Ik zal ze nodig hebben.......



    Beyond

  12. #12

    Standaard

    @ Pascal.
    Mooie foto's, zeker die van het interieur.

    Erik.
    Grtz Erik.
    Bezig aan een treintafel en hier en daar de diepvriezer uitladen.

  13. #13

    Standaard

    Hier zijn we dan (eindelijk ) met de eerste foto's. De Eduard set dateert al van een aantal jaar geleden en is neit te vergelijken met de huidige sets.

    Vrij moeilijke constructies laten het minder snel opschieten dan die van de Cobra Al bij al...puur plezier





    Kort samengevat komt het er op neer dat de volledige pit (incl de stoel ) wordt vervangen door PE. Tov de foto's die Pascal heeft gevonden zijn er toch wat afwijkingen, maar eenmaal de pit dicht zul je er nog weinig van zien

    Er is ook een mooie resinset bij, waar oq deze camonet of liferaft te vinden is...zal nog wat opzoekwerk zijn.



    Voila, dat was de eerste bouwsteen aan deze leuke kit.

    tot binnenkort
    Laatst gewijzigd door pantani; 12-08-10 om 11:56
    Mijn blog :http://jadefalconguard.wordpress.com/

    My Wallet is curled up in a corner, scared, lonely and wondering when the hurting will stop....
    the Wallets feels dirty, unkept fingers fondle it at all of his secret places...
    The screaming starts.......

  14. #14
    Banned
    Geregistreerd
    06-12-07
    Berichten
    3.079

    Standaard

    Citaat Oorspronkelijk geplaatst door Jadefalconguard Bekijk bericht
    Al bij al...puur plezier
    Dit is toch het allerbelangrijkste?

    Het ziet er in elk geval goed uit. Wat gebruik jij van lijm om je PE op plastic te lijmen?

  15. #15
    Senior Lid
    Geregistreerd
    01-07-08
    Berichten
    3.454

    Standaard

    Ziet er mooi uit met dat PE Flink wat priegelwerk denk ik hé ?

    Groeten, Pascal

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