I'm offering the information as a data point in the discussion about Legacy oil temps.
I've been meaning to post my info, too. Just back from 10 hours of flying from Chino, CA to Omak, WA....then Omak to Arlington and back 3 times....and then back to CNO. I climbed out of CNO early a.m. with an OAT starting at 72 and cooling off to 62. Never saw above 187 in climb out (2500 Rs, 150 KIAS climb). I cruised up to WA between 10.5 and 12.5 at 2300R's and about 18" MAP...Oil Temp ran in the 160-165 degree range. Climb out of Omak at 135-140 knots, 2600 R's (to get over the ridgeline) all the way up to 10.5 with OAT at 90F on the ground....Oil Temp saw 198....which is the highest I saw on the whole trip.
Better than that was getting to cross the Cascades 6 times in a single day on an absolutely crystal clear day. The route was the same, but each flight like a new adventure with the change in sun angles.
Best part was Omak (just south of the Canadian borer, eh) to CNO in 4:52. I can think of worse ways to travel to remote locations.... ;)
Somehow the trip to OSH from CA in a Yak-50 at 145 knots isn't sounding as appealing as it used to...
Cheers,
Barry 122LL
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