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question

MariopilotPD808 avatar image
MariopilotPD808 asked FlyingRaccoon answered

itt_tc seems to be capped

When tuning ITT for jet engines, the value of itt_tc seems to be capped. This is making the value too slow for my current small jet engine, which responds decently fast. ITT lags behind RPM quitle a lot.

currently itt_tc = 2, but a setting of 20, or even 20000 makes no difference. tiny values like 0.1 will slow it down.


itt_peak_temperature = 2400
itt_tc = 2
itt_tuning_constant = 1
fuel_flow_max_itt_factor = 1.38
fuel_flow_min_itt_factor =0.7
n1_cooling_factor = 0.01
aircraftflightmodel
10 |10000

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1 Answer

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FlyingRaccoon avatar image
FlyingRaccoon answered

Hello @MariopilotPD808

You are right, the itt correction is capped at +-50 degrees Rankine per second at the moment.
Starting with SU10, we will expose a new itt_maxcorrection parameter to adjust this limit.

Regards,
Sylvain

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