CNA D
The CNA D, often known as the CNA D.4, was a four-cylinder, air-cooled, horizontally opposed engine built in Italy by Compagnia Nazionale Aeronautica (CNA) between 1940 and 1951 to power light aircraft.[1]
| D | |
|---|---|
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| CNA D.4 on display at Museo Nazionale Scienza e Tecnologia Leonardo da Vinci | |
| Type | 4-cylinder air-cooled horizontally opposed piston engine | 
| National origin | Italy | 
| Manufacturer | Compagnia Nazionale Aeronautica (CNA) | 
Applications
    
Data from Erickson[1]
- Adam RA-14 Loisirs
 - Ambrosini SAI.10
 - CNA PM.1
 - CNA MPL
 - CVV Tartuca
 - Druine Condor
 - GCA Pedro
 - GCA Etabeta
 - Lombardi FL.3
 - Lombardi FL.5
 - Lombardi FL.7
 - Macchi MB.308
 - Viberti Muscal
 
Specifications
    
Data from [1]
General characteristics
    
- Type: 4-cyl. air-cooled horizontally-opposed piston engine
 - Bore: 100 mm (3.9 in)
 - Stroke: 95 mm (3.7 in)
 - Displacement: 3 L (180 cu in)
 - Dry weight: 80 kg (180 lb)
 
Performance
    
- Power output: 45 kW (60 hp) at 2,100 rpm
 - Compression ratio: 5.3:1
 - Specific fuel consumption: 0.34 kg/kW hr (0.56 lb/hp hr)[2]
 
References
    
Wikimedia Commons has media related to C.N.A. D4.
- Erickson, Jack. "Horizontally Opposed Piston Aero Engines: C.N.A." Archived from the original on 23 April 2012. Retrieved 21 March 2012.
 - Bridgman, Leonard (1942). Jane's All the World's Aircraft 1942. London: Sampson Low, Marston & Co. p. 36d.
 
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