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September 23rd, 2003, 09:24
| #1 |
| Old Skool  Join Date: Oct 2002 Location: lower canada
Posts: 1,612
 |  groundspeed and glidescope Hey Guys, I need some help answering this question: Explain how your grounspeed must be adjusted to remain on the glidescope? |
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September 23rd, 2003, 09:43
| #2 |
| Senior Member  Join Date: Jan 2002 Location: Florida
Posts: 1,253
| Re: groundspeed and glidescope A rule ot thumb to figure out a descent rate based on groundspeed to get a three degree glidepath is to take you groundspeed, deivide it by two and add zero. ie.. 100 knot groundspeed/2=50, add a zero to get 500 and this would give you an approximate 3 degree glidepath if you flew 500 fpm descent. |
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September 23rd, 2003, 12:55
| #3 |
| Old Skool  Join Date: May 2003 Location: Denver Colorado
Posts: 2,974
| Re: groundspeed and glidescope As your groundspeed increases, your descent rate must also increase to stay on the glide slope. And vice versa. |
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September 29th, 2003, 19:38
| #4 |
| Junior Member  Join Date: Jun 2003 Location: Cali
Posts: 194
| Re: groundspeed and glidescope Since a glideslope is a ground based instrument, your VSI will remain the same if your ground speed remains the same. But, as you know, we fly an airplane using its airspeed, and depending on the wind, the groundspeed changes. Threfore, your VSI changes also. As stated above, headwind reduces your VSI, tailwind increases it. |
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