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Engine starters in the J41
Hi All,
I have a couple of questions about the BAe Jetstream 41. In the engine management area of the overhead panel are the automatic and manual starters. The function of the automatic starters is clear as there is one starter for each engine. Below the automatic starters is the manual starter. And here is my problem. There is just one switch with four positions (normal, 60%, ignite and energise). How do I select the engine I want to start (left or right)? The Jetstream 31 has two switches (I think one for each engine) so here it's clear. But not with one switch for two engines. Could it be that the engine is just select by opening the corresponding HP valves with the combustion levers? There is another question I have. The J41 has two engine management computers. A TTL and an IEC computer. The function of the TTL computer is clear as I know it from a couple of other aircraft types. I know about FADEC and EEC systems but I've never heard about an IEC computer. Does anybody know for what this IEC computer is in this turboprop? Hope you can help! Best Regards Matthias |
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