adler_1 294 Posted November 21, 2019 (edited) some questions i need help with 1) if the engines are too cold will they seize in flight ? 2) what is the optimum cruising speed to avoid damage . 3) climbing takes time , what is the best speed for climbing and for how long before leveling . 4) cowl flaps opened at 100 % at take off , reduced to 50 in flight in warm weather . still the engines get damaged . 5) in winter the temperature of the engine goes below 60 dgrs , will this cause damage ? Edited November 21, 2019 by dog1 Share this post Link to post Share on other sites
Hanu 179 Posted November 21, 2019 (edited) 1) I cannot see this to happen in cruise any more; you should keep those cowl flaps so closed as possible to keep the speed up anyway. 2) I run ~78% both RPM & Throttle which gives you the maximum continuous power. 3) You can run 30 mins climb power (~87% both). I try to keep the speed around 260-270 during the climb. Edited November 21, 2019 by Hanu Share this post Link to post Share on other sites
adler_1 294 Posted November 21, 2019 (edited) both my engines are damaged 3-4 mn after take off , height 300 mt , cowl flaps full open temperature below 60 dgrs , acceleration below 65 % speed 200 kmhr . and still both engines get damaged . i am not reducing prop speed . pitch zero . i am hardly 3-4 km away from my airfield and kaput . do the engines get damaged if below 60 dgrs for 2-3 mn ? i am not lasting 5mn in the air at 65 % acceleration 200 km hr . If i dare to climb i have to increase the speed for 2-3mn then i level again because i'm worried the engines will seize and then they seize anyway !! Edited November 21, 2019 by dog1 Share this post Link to post Share on other sites
