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ITT hotstart C208

Scheduled Pinned Locked Moved Steam Gauge Overhaul
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  • B Offline
    B Offline
    Bellocchio2
    wrote on last edited by
    #1

    During startup, the ITT exceeds the red band, this does not correspond to a real condition, what can be done?

    DerekD V 2 Replies Last reply
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  • DerekD Offline
    DerekD Offline
    Derek JF Staff
    replied to Bellocchio2 on last edited by
    #2

    @bellocchio2 said in ITT hotstart C208:

    During startup, the ITT exceeds the red band, this does not correspond to a real condition, what can be done?

    Your best bet if you have software issues is to contact Just Flight support. There is a link on the wesbite www.justflight.com
    https://support.justflight.com/support/home

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  • V Offline
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    Voice of Reason JF Staff
    replied to Bellocchio2 on last edited by
    #3

    @bellocchio2 Is the ITT exceeding the normal operating redline, or the start redline of 1090 degrees? It is common for the PT6 to exceed the normal operating redline during start for a few seconds. Limitations are noted in the manual.

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    Bellocchio2
    replied to Voice of Reason on last edited by Bellocchio2
    #4

    @voice-of-reason Hi,

    I don't see in any videos during the startup itt pass the red line.

    https://www.youtube.com/watch?v=yjkW2TYZY8M&t=1815s 30:08s startup

    https://www.youtube.com/watch?v=iums_dd8Zew

    https://www.youtube.com/watch?v=heNPAg6AJ20

    https://www.youtube.com/watch?v=Iuq1v3epjAE

    could someone help ??

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  • B Offline
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    Bellocchio2
    replied to Bellocchio2 on last edited by
    #5

    @bellocchio2 said in ITT hotstart C208:

    @voice-of-reason Hi,

    I don't see in any videos during the startup itt pass the red line.

    https://www.youtube.com/watch?v=yjkW2TYZY8M&t=1815s 30:08s startup

    https://www.youtube.com/watch?v=iums_dd8Zew

    https://www.youtube.com/watch?v=heNPAg6AJ20

    https://www.youtube.com/watch?v=Iuq1v3epjAE

    could someone help ??

    Itt startup.GIF

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  • G Offline
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    Geordie
    replied to Bellocchio2 on last edited by
    #6

    @bellocchio2 Hi, I'm no expert but I suspect ambient air temperature, air pressure and other weather conditions may be a factor here; I did find an example of ITT exceeding the normal operating redline (but not the start redline) during start-up:
    https://www.youtube.com/watch?v=xXuOBdSr4uc

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