International Resin Modellers Association

International Resin Modellers Association The International Resin Modeller's Association is all about promoting resin model building for its members and the public.

Since our websites are down, please contact us on here or at zanenobbs@yahoo.com in regard to our IRMA Kit No.12 SNCASO ...
12/20/2025

Since our websites are down, please contact us on here or at [email protected] in regard to our IRMA Kit No.12 SNCASO SO.4000. Thank you!

IRMA Kit No.12 is nearing completion. If you'd like one, kits are US $190+shipping.
12/15/2025

IRMA Kit No.12 is nearing completion. If you'd like one, kits are US $190+shipping.

SNCASO SO.4000: Here are some photos of the landing gear. These can be built in resin, however, for this kit, rotating w...
12/07/2025

SNCASO SO.4000: Here are some photos of the landing gear. These can be built in resin, however, for this kit, rotating wheels were preferred, so the resin was drilled out and replaced with 3/32 inch metal tube with 1/32 inch axles. Not easy, and details will be covered in the build article for the prototype F-WBBL. Landing gear is in dark blue as on the first SO.6000 prototype. Wiring/brake hoses are in sky.

Update on IRMA Kit No.12 SNCASO SO.4000: Here are some photos of the kit as it progresses. See photos for details. Dark ...
12/05/2025

Update on IRMA Kit No.12 SNCASO SO.4000: Here are some photos of the kit as it progresses. See photos for details. Dark rectangles are the cooling screens over the engines and on the top and underneath each air intake. The overall finish will become brighter after burnishing. More detailed photos of the landing gear will be available tomorrow. Decals should be printed this coming week. Kits are US $190 each + shipping.

Well, here is the SO.4000 test kit nearing completion. The cockpit, bombardier station, and observer seat are now finish...
11/29/2025

Well, here is the SO.4000 test kit nearing completion. The cockpit, bombardier station, and observer seat are now finished. Just needs a final coat of flat aluminium, decals, and brake hoses installed. Will have more detailed photos tomorrow. Happy Thanksgiving!

Progress on the SNCASO Sud-Ouest SO.4000: Today, the cockpit and pilot are finished. Next will come the canopy, and for ...
11/26/2025

Progress on the SNCASO Sud-Ouest SO.4000: Today, the cockpit and pilot are finished. Next will come the canopy, and for this "What if . . .?" version, the bombardier will be placed in the nose as well. The pilot's console will be glued to the front. When the F-WBBL version is done, it will reflect the maiden flight scenario with landing gear extended, doors closed, the observer in the seat behind the pilot. The "What if . . .?' version will have the French roundels with the letter "C" for the Centre d’essais en vol (Flight Test Center). Both will look magnifique! Also, the prototype was judged to be overweight and underpowered, flying on 2x Rolls-Royce RB.41 Nenes at 5,000 lbs/22 kN of thrust each, however, if our example were reengined with 2x Rolls-Royce RA.3/Mk.101 Avons at 6,500 lbs/29 kN of thrust each or a pair of RA.7/Mk.114s at 7,350 lbs/32.7 kN of thrust, this could have made a major difference, even with the existing design. The reality of the situation is that France abandoned the strategic bomber concept to pursue the multi-purpose SO.4050 Vautour for which a version, the IIB, (Prototype SO.4050-03) became a tactical bomber. Eventually, France did construct a strategic bomber with the Dassault Mirage IV.

Here is a photo of the Sud Ouest SO.4000 test build kit. This particular kit is the "What if . . . ?" version with open ...
11/16/2025

Here is a photo of the Sud Ouest SO.4000 test build kit. This particular kit is the "What if . . . ?" version with open landing gear doors. It is waiting for the aluminum paint with finished cockpit including the pilot, awaiting completion of the nose glazing for the bombardier, canopy, and decals. There will be a complete photo essay for the build article. If you'd like one, let us know. We are planning a holiday release as we navigate the new American tariff scheme.

At this point, IRMA Kit No.12 Sud Ouest SO.4000 Vautour Is are almost done casting, decals are underway, and boxes are p...
10/15/2025

At this point, IRMA Kit No.12 Sud Ouest SO.4000 Vautour Is are almost done casting, decals are underway, and boxes are prepared. We're just waiting to see if we can get an exemption on the new tariff from the post office. See photos for details.

Coming this month, IRMA Kit No.12 Sud-Ouest S.O.4000 Vautour I, the first jet-powered bomber of France. It was started i...
09/09/2025

Coming this month, IRMA Kit No.12 Sud-Ouest S.O.4000 Vautour I, the first jet-powered bomber of France. It was started immediately after Germany was expelled from the nation. Basically, France realized that it must start all over, so following the success of the SO.4000 Triton, work began on the SO.4000 for the first transonic bomber of the Armée de l'Air. To start, even as the actual aircraft was being constructed, two scale models were built to test various flight characteristics. The first was the SNCASO M.1 for the overall airframe, which began testing in 1947 and was later followed by the SNCASO M.2, which was powered by a Rolls-Royce Derwent centrifugal turbojet for power testing in 1949. After this, the SO.4000 had 2x Rolls-Royce Nene 102 centrifugal turbojets later that year. By this time, however, it was decided that the SO.4000 was falling behind in jet development, but would be completed for research purposes. It was brought out for taxiing trials in 1950 with the maiden flight planned; however, due to the complicated four-wheel main undercarriage, the landing gear collapsed, pushing the flight back to 15 March 1951. Although flying well, upon landing, the landing gear once again failed, and the aircraft was grounded.

It had been planned that if the jet was successful, there were to be three types: a bomber, a reconnaissance version, and an attack aircraft. The research from the SO.4000 project was used in the SO.4050 Vautour II, which would fly later that year. The SO.4000 became known retroactively as the Vautour I.

The 1/72 kit comes in resin, including clear resin canopy and windows, in 27 parts with metal to create details. The fuselage is hollowed out to insert weight, so it won't sit as a tail dragger. Decals allow two versions, the actual prototype (F-WBBL) or a "What if . . . ?" version for the Armée de l'Air.

Price is US$190 + shipping. If interested, let us know here or send an email to: [email protected].

Stay tuned for upcoming photos and further developments!

This month, June 2025, we're having a sale on IRMA Kit No.11 Campini-Caproni C.C.7 (C.S.11) Toscana in 1/72, Italy's fas...
06/13/2025

This month, June 2025, we're having a sale on IRMA Kit No.11 Campini-Caproni C.C.7 (C.S.11) Toscana in 1/72, Italy's fast bomber twin motorjet design of WWII, at US $115 + shipping. This kit comes with decals to do a Regia Aeronautica (Royal Italian Air Force) version (1940 to 1943) or a Aeronautica Nazionale Repubblicana (National Republican Air Force (1943 to 19i45) with resin parts including a clear resin canopy, windows, and turrets with metal main landing gear and full interior details for the cockpit. Proceeds will go to help complete IRMA Kit No.12 Sud Ouest SNCASO SO.4000 Vautour I, France's first jet bomber, and the additional run of IRMA Kit No. 8 Avro Canada C102 Jetliner, Canada's first jet aircraft. It seems we received some bad silicon and now have to recast the molds.

IRMA Kit No.11 Campini-Caproni C.C.7 (C.S.11) Toscana (Cigar) was based on the Campini-Caproni C.C.2/N.1, which flew in 1940. The Toscana was initiated the following year, as a fast bomber projected to reach over 500 mph; however, with the deteriorating war situation and the Italian Armistice of 1943, it looked as if this was the end of this aircraft. However, after Il Duce was rescued by Der Führer and set up in the new Italian Social Republic, work on the Toscana resumed, but by 1945 was cancelled with the end of WWII, and under the terms of the Armistice, Italy was forbidden to have bombers. Thus ended one of the most interesting projects of Italian innovation. As these kits are newly discovered inventory, now is your chance to own one of the unique and unknown aircraft projects from WWII.

IRMA kits come packed in a very sturdy cardboard box with a color parts list, instructions, painting guide, three-view drawing, aircraft history, certificate of authentication, and decals. Kits are still made the traditional way, so no 3D print lines, details remain crisp and clean. Be aware that resin requires cyanoacrylate glue (superglue) or gel, and in most cases will require sanding, filing, filling, and in some cases cutting. Acrylic paints work best. Be sure to work in an aerated area with plenty of air circulation. For assembly, the cyanoacrylate gel is best since it gives more time to position parts correctly. See photos for details.

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