Added a Jettstream muffler to the S90, and new bearings. The flogging follows.
5% nitro 20% castor fuel, McCoy MC59 plug, APC props.

69*F and 64% humidity
11x8 13,800/2,500
11x9 13,650/2,500
12x6 13,900/2,250
12x7 13,300/2,200
13x6 13,300/2,200
13x7 12,600/2,200
13x8 11,800/2,200