• Categories
  • Recent
  • Tags
  • Popular
  • Users
Collapse
Just Flight Community Forum

TAS/GS weirdness

Scheduled Pinned Locked Moved PA-28R Arrow III
43 Posts 9 Posters 8.4k Views
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • C Offline
    C Offline
    copper
    wrote on last edited by
    #41

    Tested the performance without any modifications now with 0.3.0, I get a TAS close to book numbers.
    Still the TAS scale seems to be off (showing 5kts less than real TAS for me) and now the altitude scale is set in a way that one cannot dial lower altitudes to the correct temperature since the scale starts with 0ft at the far left and cannot be dialed to the right.
    Nevertheless, first impression of the performance now looks better to me. Climb performance was also realistic from what I can check on the charts.

    We're getting there :)

    J 1 Reply Last reply
    0
  • J Offline
    J Offline
    j225
    replied to copper on last edited by j225
    #42

    @copper

    Makes sense.

    new values are

    fuel_flow_scalar =0.65

    and

    parasite_drag_scalar =0.81
    induced_drag_scalar =1.7

    These might match the real aircraft better, seeing as "book" can be optimistic unless engine is in tiptop condition.

    1 Reply Last reply
    1
  • N Offline
    N Offline
    N293WK
    wrote on last edited by
    #43

    Sorry if this is a dumb question, but is it correct that the markings on the TAS scale count by 20 until 140 and then by 10 (i.e. 100, 120, 140, 150, 160 ...)? This doesn't seem right (and it wasn't like this before) but maybe it is actually correct.

    Also, if I'm not mistaken, TAS=IAS at ISA, which (i think) is when the 0's are lined up on the top of the TAS wheel, which is not the case in v0.3.0

    1 Reply Last reply
    0

  • Login

  • Don't have an account? Register

  • Login or register to search.
  • First post
    Last post
0
  • Categories
  • Recent
  • Tags
  • Popular
  • Users