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The caption reads:

The Ing. Preti in question was Ermenegildo Preti from the Politecnico di Milano. Preti designed Ambrosini's post-war horizontally-opposed engines - the 22 hp P.25 and 75 hp P.70. The former powered the GCA.2 Jumbo V-tailled light plane on the previous page (as well as the Partenavia P.53 Aeroscooter, Mantelli AM-11 Albatros, CVV-6 Canguro M, and ... I assume ... the Movo F.M.1 motor-glider also shown on Page 23).

BTW, the CVV-6 Canguro M conversion was a joint exercise between Preti and Col Adriano Mantelli, commander of the AMI's military flight centre.

AFAIK, the Ambrosini P.70 HO4 engine never flew. It was intended for Preti's 1948 PM-280 'Tartuca' single-seat low-wing racer. However, the sole PM-280, I-RACE, eventually flew with a 60 hp CNA D.IV engine.

This link is to a photo of the Ambrosini P.25 and P.70 displayed together at Fiera di Milano trade fair in 1947:
http://www.lombardiabeniculturali.it/img_db/bcf/u3030/3/l/2564_n_1947_1431_pp.jpg

<blockquote data-quote="Apophenia" data-source="post: 295173" data-attributes="member: 728">The caption reads: The Ing. Preti in question was Ermenegildo Preti from the Politecnico di Milano. Preti designed Ambrosini's post-war horizontally-opposed engines - the 22 hp P.25 and 75 hp P.70. The former powered the GCA.2 Jumbo V-tailled light plane on the previous page (as well as the Partenavia P.53 Aeroscooter, Mantelli AM-11 Albatros, CVV-6 Canguro M, and ... I assume ... the Movo F.M.1 motor-glider also shown on Page 23).BTW, the CVV-6 Canguro M conversion was a joint exercise between Preti and Col Adriano Mantelli, commander of the AMI's military flight centre.AFAIK, the Ambrosini P.70 HO4 engine never flew. It was intended for Preti's 1948 PM-280 'Tartuca' single-seat low-wing racer. However, the sole PM-280, I-RACE, eventually flew with a 60 hp CNA D.IV engine.This link is to a photo of the Ambrosini P.25 and P.70 displayed together at Fiera di Milano trade fair in 1947:<a href="http://www.lombardiabeniculturali.it/img_db/bcf/u3030/3/l/2564_n_1947_1431_pp.jpg" target="_blank">http://www.lombardiabeniculturali.it/img_db/bcf/u3030/3/l/2564_n_1947_1431_pp.jpg</a></blockquote>

[QUOTE="Apophenia, post: 295173, member: 728"] The caption reads: The Ing. Preti in question was Ermenegildo Preti from the Politecnico di Milano. Preti designed Ambrosini's post-war horizontally-opposed engines - the 22 hp P.25 and 75 hp P.70. The former powered the GCA.2 [i]Jumbo[/i] V-tailled light plane on the previous page (as well as the Partenavia P.53 [i]Aeroscooter[/i], Mantelli AM-11 [i]Albatros[/i], CVV-6 [i]Canguro[/i] M, and ... I assume ... the Movo F.M.1 motor-glider also shown on Page 23). BTW, the CVV-6 [i]Canguro[/i] M conversion was a joint exercise between Preti and Col Adriano Mantelli, commander of the AMI's military flight centre. AFAIK, the Ambrosini P.70 HO4 engine never flew. It was intended for Preti's 1948 PM-280 '[i]Tartuca[/i]' single-seat low-wing racer. However, the sole PM-280, I-RACE, eventually flew with a 60 hp CNA D.IV engine. This link is to a photo of the Ambrosini P.25 and P.70 displayed together at Fiera di Milano trade fair in 1947: [url=http://www.lombardiabeniculturali.it/img_db/bcf/u3030/3/l/2564_n_1947_1431_pp.jpg]http://www.lombardiabeniculturali.it/img_db/bcf/u3030/3/l/2564_n_1947_1431_pp.jpg[/url] [/QUOTE]

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