RS Models 1/72 Ambrosini SAI 207

KIT #: 92036
PRICE: $13.98 on sale (27.95 SRP)
DECALS: Three options
REVIEWER: Scott Van Aken
NOTES: Short run kit


The SAI.207 was developed from the Ambrosini SAI.7 racing and sporting monoplane after the light fighter concept had been proven with the Ambrosini SAI.107 prototype. Steffanuti designed the aircraft to have a lightweight structure and light armament to allow lower-powered engines to be used, without unduly reducing performance.

The first of three prototypes was completed and flown in the Autumn of 1940 as the sole SAI.107, which was a minimum change fighter development of the SAI.7, with identical dimensions, apart from length, at 8.02 m (26.31 ft) and the 402.7 kW (540 hp) Isotta-Fraschini Gamma engine. Weighing only 1,000 kg (2,205 lb) the Sai.107 reached a speed of 563 km/h (350 mph) in trials held at the Guidonia research establishment and manoeuvrability proved to be excellent. The SAI.107 was lost, along with pilot Arturo Ferrarin, in a crash on 18 July 1941.

Two more fighter prototypes were built as SAI.207s, flying for the first time in the Spring of 1941 and 1942.

The SAI.207 was a single-seat, low-wing monoplane with a conventional tail-wheel undercarriage, developed from the Ambrosini SAI.7. Of wooden construction, giving a light structure, power was supplied by 559.3 kW (750 hp) Isotta-Fraschini Delta R.C.40 engine, cooling air entering the engine through a central intake. Armament consisted of two 12.7 mm (0.500 in) Breda-SAFAT machine guns.

In level flight the performance of this aircraft was impressive, achieving a speed of 580 km/h (360 mph) and over 800 km/h (497 mph) in a dive. The Ministero dell' Aeronautica soon placed a production order for 2,000 machines, plus a pre-production batch of 12 aircraft for operational testing. After the mixed results of operational evaluation and the signing of the Armistice, no production aircraft were built.

Flight testing revealed some major shortcomings, most of which were not rectified before the Armistice in 1943; the low power and high wing loading resulted in poor climb performance; the light structure prevented more powerful cannon from being used as the recoil forces overstressed the mounting structure; the rear cylinders of the engine overheated during recovery from a dive; the light structure also led to problems, with the second prototype wing exploding during a dive recovery due to internal pressure built up, caused by the lack of internal fairings in the undercarriage bays; the wooden structure was also badly affected by rain or humidity.

The pre-production batch of 12 aircraft served briefly with three squadrons. The first was 83rd Squadriglia, 18 Gruppo, 3 Stormo, led by Guglielmo Specker, one of the Regia Aeronauticas best known "aces", at Cerveteri airfield, near Rome. The aircraft entered service in July 1943, flying a number of combat missions against heavy Allied raids over the Italian capital, but without success. After one month, they were sent to Castiglione del Lago G.Eleuteri airfield (at that time one of the main RA training airbases), where it was planned that 161 and 162nd Squadriglia would take the aircraft into service.

Despite its speed, Italian pilots were not impressed by the type and its service in the summer of 1943 quickly ended. The aircraft of 83rd Squadriglia were returned to SAI-Ambrosini to be refurbished, but the Armistice made it impossible for them to return to their squadron.


Companies like RS Models are a real boon to those of us who like to model unusual subjects, but would rather not deal with resin or some of the more crude short run kits to accomplish this. Released in 2008, this kit contains a single sprue of light tan plastic, a clear one-piece canopy, and an Eduard-produced color photo etch fret.

The photo etch consists of a two-piece instrument panel, the rather unique Italian harness that contains chains as part of its make-up, a lower exhaust plate, oleo scissors and some small interior bits. The rest of the kit is actually quite simple. The wing is a single casting with the wheel wells integral to the wing. The cockpit is well appointed with a seat, stick, rudder pedals and the option to use either the p.e. or plastic instrument panel. The only other options are p.e. or plastic oleo sissors and the ability to use a tail wheel without the fairing on it, which is provided for two of the three markings options.

The external detailing on the kit is actually very good. There are ejector towers on several of the pieces that will need attention and there is a tiny amount of flash to be removed, but that will be taken care of in noral part clean-up. Instructions provide generic color information and are nicely drawn. The three options are all for the pre-production planes and are all in dark green over light grey. I noticed that the painting diagram on the back of the box does not show the upper color wrapping under the leading edges of the flight surfaces. Two options are Italian and one is for a plane in German markings that was briefly tested after the armistice. Decals are nicely printed and an addendum sheet is provided with the more correctly done wing insignia.


In all, it is a very nicely done kit and though it made no impression at all in the war, is still a kit that deserves to be in any WWII or Italian aircraft collection.


January 2014

Thanks to me for grabbing this one on sale.

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