February 25, 20188 yr Good evening, just a quick question, is it possible in the MD to start the APU without additional GPU. I mean, Batterie master on, proper fuel pumps setting and APU master start. I tried it several times, APU starts, EGT and N rotation starting and than a shut down of the APU after prox 20 percent N rotation. Maybe in the real plane not possible, but specially on isolated airfields it should be working. May I do someting wrong? greetings Peter
February 25, 20188 yr You must turn on the Start pump situated on the left side of the overhead panel somewhere below the Galley power switch. System: i7-10700K, 32GB RAM, RTX4070 12GB, 1 x 1TB SSD, 2 x 2TB SSD, 1x 2TB HDD, Win10 64bit Home, Meta Quest 3
February 26, 20188 yr Author Ah okay, thank your. I thought the start pump is only related for engine start! will try it later! greetings peter
February 26, 20188 yr Author with start pump on APU start on batteries was good! thanks for the advise. Peter
February 26, 20188 yr This is due to the main fuel pumps are on the AC BUS. The START PUMP is a DC motor that can be used off the battery.
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