The Savoia-Marchetti SM. 55X could carry a torpedo or bombs under the center of the aircraft.
The construction considered of spruce, ash, and plywood with fabric covered control surfaces.
There were two engines that were placed above the wing.
There were two hulls that were 14' 9" between their centers. The pilot was located in the leading edge.
In the front and back of the hull were gun positions.
In the 1930s there were many long distance trips to North America that were taken by SM.55s that showed that Italy could design excellent aircraft.
By the time of World War II there were only a few SM.55s left and none were used in battle.
|Savoia-Marchetti SM. 55|
|Wing area||1,000.7 sq ft|
|Empty - Military Models||8,140 lb|
|Loaded - Military Models||12,540 lb|
|Climb to 3,280'||3 minutes 20 seconds|
|Climb to 6,560'||8 minutes 21 seconds|
|Climb to 16,400'||1 hour|
|Duration||4 - 10 hours|
|Savoia-Marchetti SM. 55A|
|Engine (Type)||2: FIAT A.24R|
|Wing area||989.9 sq ft|
|Climb to 3,280'||4 minutes 40 seconds|
|Climb to 6,560'||11 minutes 40 seconds|
|Climb to 9,840'||23 minutes|
|Climb to 13,120'||48 minutes|
|Range||1,242 - 2,174 miles|
|Savoia-Marchetti SM. 55X|
|Engine (Type)||2: Isotta Fraschini Asso|
|Speed||174 mph, 175 mph|
|Speed - Cruising||146 mph|
|Range||2,794 miles, 2,800 miles|