  | 
F.4 Rondone
 | 
 
  | 
		
Ambrosini F.4 Rondone with Walter Mikron engine
		
F.4 with Continental engine
		
|   | 
  
F.4 Rondone
| Powered by | 
65 hp Walter Mikron | 
90 hp Continental C90 |  
| Wing span | 
28' 2-1/2" | 
28' 2-1/2" |  
| Length | 
20' 2" | 
20' 2" |  
| Wing area | 
114 sq ft | 
114 sq ft |  
| Gross weight | 
1212 lbs | 
1322 lbs |  
| Empty weight | 
749 lbs | 
869 lbs |  
| Accommodation | 
2 seats | 
2 seats |  
| Maximum speed | 
139 mph | 
155 mph |  
| Cruise speed | 
124 mph | 
139 mph |  
| Stall speed | 
46.5 mph | 
49.5 mph |  
| Service ceiling | 
14,760 ft | 
16,400 ft |  
 
 | 
  | 
		
169 mph on 90 hp. The world speed record holder in the 1950's.
		