Isotta Fraschini Aircraft Engine Manuals Collection

A 15-manual digital reference collection devoted to the historic aircraft engines of Isotta Fraschini S.p.A. of Milan. It brings together original Italian-language operating, maintenance and technical material for collectors, researchers, restorers and aviation historians.

Historical scope

• Early Isotta Fraschini aviation engines, including the V4B, V5 and V6 series.
• 12 DB 400 HP documentation produced under Lorraine licence.
• 14 R.C. 34, P IX RC40, Asso 200, Asso 500, Asso 500 R and Asso 750 R material.
• Asso XI RC40 and Delta R.C. 35 I.-D.-S. documentation from the later aviation-engine range.
• Period manuals issued by Italian aviation authorities and by Fabbrica Automobili Isotta Fraschini, Milano.

Technical reference

The collection includes documentation for liquid-cooled and air-cooled Isotta Fraschini aircraft engines, covering different cylinder arrangements, power ratings and maintenance systems. The Asso 750 family is represented as a liquid-cooled W-configuration aircraft engine family with 18 cylinders arranged in three banks. Depending on variant and rating, the supplied reference profile places the family in the approximate 750 to 945 hp range.

Manual manifest, 15 cover-page records

1. Isotta Fraschini Asso 200, Istruzioni, edition not recorded on the supplied cover scan.
2. Isotta Fraschini Asso 200, Istruzioni, Roma, 1928.
3. Isotta Fraschini Asso 500, Istruzioni, Roma, 1930.
4. Isotta Fraschini Asso 500 R, Tavole e tariffe dei pezzi di ricambio per motore d’aviazione, 500–550 CV.
5. Isotta Fraschini Asso 750 R, Istruzioni per l’uso del motore, 1934.
6. Isotta Fraschini Asso XI RC40, manuale tecnico, 1937.
7. Isotta Fraschini Delta R.C. 35 I.-D.-S., Istruzioni sul motore, 1a serie, 1940.
8. Isotta Fraschini P IX RC40, Istruzioni per l’uso del motore, 1936.
9. Isotta Fraschini 12 DB, 400 HP, Motore per aviazione, serie and edition details as shown on the supplied cover scan.
10. Isotta Fraschini I.F. 14 R.C. 34, Smontaggio, montaggio, regolazione, 1938.
11. Isotta Fraschini 12 DB, 400 HP, 12 cilindri, licenza Lorraine, 2a serie, 1924.
12. Isotta Fraschini 14 R.C. 34, Istruzioni per l’uso del motore, 1938.
13. Isotta Fraschini V4B, Norme per la manutenzione del motore di aviazione, 150/160 HP, Franco Tosi, Legnano.
14. Isotta Fraschini V5, Norme per la manutenzione del motore di aviazione, 200/230 HP.
15. Isotta Fraschini V6, Norme per la manutenzione del motore di aviazione, 250 HP, Romeo.

The numbering above follows the 15 cover-page scans attached to this draft. Where two scans concern the same engine family, they remain separate records because they represent separate supplied cover images or editions.

Important reference notice

These are historical aviation documents supplied for research, preservation and reference. They are not current approved airworthiness data, maintenance instructions or authorisation to operate an aircraft engine. Surviving examples are of museum and historical interest, and the collection should not be used in place of current instructions from an authorised manufacturer, authority or qualified engineer.

Language: Italian
Format: Digital document collection
Collection size: 15 manuals / 15 cover-page scans