SAITO FA-90T

Though a new comer SAITO FA-90T has not any experience to be operated, so to speak a New Old Stock, some dried feel obliged me to overhaul kit for lubrication. Also, the valve clearances are adjusted to the standard value, zero, almost of model 4 cycle motors require the value, the cylinder vertical length would be extended a little while operation by combustion heat, this is why the zero setting is noted. Keeping an adequate valve clearance is the most importance to operate the 4-cycle motor in the utmost condition.
Delicate constructive design of this lovely model motor was observed, checking the origin of SAITO Manufacturing Company in Web sites, the representative and the designer was one of a legacy of Nakajima Airplane Company while WW2, the representative to military industries of Imperial Japanese Force. So, my curiosity exploded by the story of SAITO 4-cycle motors. My concept on the motor has changed, from "stronger and powerful with some weight" to "the lighter the better ", some extent of vulnerability is acceptable for airplane use.
I had a planning to go out for flying to Mie Pref., I decided to spend my free time by disassembling this FA-90T model motor today.
Very suitable airplane is kept on the shelf, so this motor would be actually tested on it in very near future. What must be done is increasing gradually day by day, just I'm busy, on the other hand, I'm estranged with Isomers these days?

2-cycle to 4-cycle

The physical property of model 4-cycle motors have long been preventing me from proceed to the field, because I was advocating in a lighter and powerful 2-cycle motor with Tuned Pipe. But, some thing happened at Yao airport, I was standing just under the landing phase, I head some impressive sound of Cessna motor at very near position. It was so good not as to be compared and the situation was similar with that of the my first experience that I hard the Whistle of SL at very near distance in Kyoto Umenokouji over 10 years ago. The affair had enough capability to change my mind thoroughly from 2-cycle motor and 4-cycle one. The motor sound while operation is one of an indispensable element to enjoy model airplane flight, so I realize. Now, I have several 4-cycle model motors at hand, sum are from my friend and others are from YaHoo auctions. The works to change motors would be continued for the time being.
The saddle of my bicycle was torn and destroyed it's performance by a mischievous crow before long. I shall punish it!