Another photo from the Arawasi collection featuring a Ki-21 Model 1, probably Ko.
Note the curious absence of the radio antenna mast on the fuselage and the Ki-27 "Nate" tail on the left. Note also the absence of the whatchamacallit thingy on the tip of the spinner to connect with the starter truck.
That is commonly called a starter cog.
ReplyDelete"the whatchamacallit thingy"
ReplyDeleteI believe that is called a starter dog, or sometimes a crank gog.
Wind Swords
Thanks guys.
ReplyDeleteYour welcome. Here is the entry in English Wikipedia (my emphasis in bold): Dog (engineering) - In engineering, a dog is a tool or part of a tool that prevents movement or imparts movement, by offering physical obstruction or engagement of some kind. It may hold another object in place by blocking it, clamping it, or otherwise obstructing its movement. Or it may couple various parts together so that they move in unison – the primary example of this being a flexible drive to mate two shafts in order to transmit torque.
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