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Paya 2 cc diesel

The Payá 2 cc model diesel from Spain was a notably close functional copy of the early variant of the 2 cc E.D. Mk. II diesel which had first appeared in Britain in February 1947. In basic design terms, it was far more similar to the E.D. than its somewhat different external appearance might suggest.

The engine was manufactured to quite good standards in Pontevedra, a coastal city in the autonomous community of Galicia in north-west Spain. The actual manufacturer was the Pazó precision engineering company, whose main business was the construction of compact full-sized diesel engines for use in the fishing industry. Although their full-sized marine diesels were very good indeed, they don't seem to have had a really good appreciation of the finer points of model diesel design, because their 2 cc diesel embodied a number of design flaws which actually prevented some (but not all) of the engines from running without owner intervention.

Introduced in late 1947 as the ICA 2 cc diesel, the engine's distribution was soon taken over by the very large Payá Hermanos (Payá Brothers) toy company of Ibi in Alicante, who ordered a production run of 2,000 flywheeel-equipped units in 1948. These were originally scheduled to be used to power a range of ready-to-run model boats, but the boats never materialized, leaving the engines to be sold on their own under the Payá name as general-purpose model powerplants.

It's possible that the afore-mentioned operational difficulties with some of the engines played a part in the decision to abandon the model boat project. While very elegant in appearance, the design of the compression adjustment system was seriously flawed in operational terms. A number of other design flaws were also apparent, as mentioned earlier.

The engine was mostly sold in its flywheel-equipped boat/car form, but the Payá company also offered accessory components to convert the engine to aero use. It appears that no further production took place after the delivery of the large 2,000 unit order from Payá. This is understandable given the fact that the engine was at heart an early 1947 design which was woefully out-dated by that time.

A full review and test of this interesting engine appears elsewhere on this website.




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