SkyDemon Plan calculated groundspeed seems too high

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SkyDemon Plan calculated groundspeed seems too high

SkyDemon Plan calculated groundspeed seems too high

Author	Message
mic360	m mic360 posted 11/2/2016 12:42:58 PM Post Details Share Post
m Group: Forum Members Posts: 2, Visits: 0	Exactly - many thanks for pointing that out.
	Reply Like 64
Tim Dawson	Tim Dawson posted 11/2/2016 11:17:45 AM Post Details Share Post
Group: Forum Members Posts: 8K, Visits: 9.1K	You're likely missing the increase achieved by converting IAS to TAS, based on your altitude.
	Reply Like 66
mic360	m mic360 posted 11/2/2016 10:58:00 AM Topic Details Share Topic
m Group: Forum Members Posts: 2, Visits: 0	One a PC prepared flightplan (SkyDemon Plan 3.6.6.0) I consistently see groundspeeds that seem about 3 to 5 knots too high as opposed to what I calculate with an E6B: TT W/V IAS WCA GS(SkyD) GS(E6B) 099 240/10 80 5 91 87 178 240/10 80 4 78 75 258 240/10 80 -2 74 70 334 240/10 80 -7 84 80 I had set IAS to 80, and W/V explicitly to 240/10. Alt in all cases is 3000. Am I missing something - or is this a error ?
	Reply Like 87