View Poll Results: How do you maintain a glideslope
I use changes in power to maintain glideslope
38
33.04%
I use changes in pitch to maintain glideslope
77
66.96%
Voters: 115. You may not vote on this poll
To all pilots: Flying the glide slope
#11
Bingo !!
Hotelmode...you are absolutely right. But for the sake of a worthless discussion, what does the autopilot actually do ? Both.
Not to offend anyone but I can't believe the question was even asked in the first place.
Back to the sake !!
G'day Mates
Not to offend anyone but I can't believe the question was even asked in the first place.
Back to the sake !!
G'day Mates
#12
I'm surprised that there are even four responses. Your opinion poll is flawed because the correct answer is (C), BOTH. One uses pitch and power as the responders have correctly stated. I find it difficult to believe that there is any discussion on the topic.
How about an "interesting and meaningful" opinion poll and discussion.
G'Day Mates
How about an "interesting and meaningful" opinion poll and discussion.
G'Day Mates
What do you use initially to re-capture the glideslope.
IMO I use the pitch to fix small deviations from the glideslope, and power to fix small changes in airspeed.
So yes, you use both, but what do you use initially to correct for deviations was the question (maybe not formulated as such)
#13
Let me elaborate then.
What do you use initially to re-capture the glideslope.
IMO I use the pitch to fix small deviations from the glideslope, and power to fix small changes in airspeed.
So yes, you use both, but what do you use initially to correct for deviations was the question (maybe not formulated as such)
What do you use initially to re-capture the glideslope.
IMO I use the pitch to fix small deviations from the glideslope, and power to fix small changes in airspeed.
So yes, you use both, but what do you use initially to correct for deviations was the question (maybe not formulated as such)
I agree with C9 - it is at least the way that has been drilled into my head - but then maybe I (we) fly our approaches in a different way than most. I do know that I need to hold somewhere around a 750 fpm rate of descent to maintain my 3.5 deg glideslope, and if I get a little low then I add POWER to correct (reduce in this scenario) my ROD and then PITCH the nose up (ever so slightly) to maintain on-speed.
But I'm no LSO!
USMCFLYR
#16
Line Holder
Joined APC: Aug 2009
Posts: 51
Horses for courses. Personally I find it depends where your airplane falls on the power to weight / power to wing area ratio spectrum.
High P/W - power for airspeed
Low P/W - pitch for airspeed
Edit: Some very high P/W airplanes with very low aspect ratio wings (very high induced drag) can take exception to this as they fly approaches near/on the back side of the power curve.
High P/W - power for airspeed
Low P/W - pitch for airspeed
Edit: Some very high P/W airplanes with very low aspect ratio wings (very high induced drag) can take exception to this as they fly approaches near/on the back side of the power curve.
Last edited by flyingchicken; 10-25-2009 at 05:04 AM.
#17
When you first start flying Cessna's they drum into you - use the throttle for altitude and the yoke for airspeed. When you're approaching with a 152 or a 172 you're using mostly the throttle to float yourself to the ground.
On bigger planes you're flying the plane to the runway, it's a combination of the two.
On bigger planes you're flying the plane to the runway, it's a combination of the two.
#20
The old pitch or power for altitude/airspeed argument....
Two guys are having that argument while taxing out to active runway. One of them can't take it any more grabs the yoke and starts flapping it in and out and yells look you idiot I am using pitch for airspeed and what happened here? Power is the only answer for airspeed....About that time the other guy grabs the yoke and starts flapping it. The first guys says what are doing!?! I'm using pitch for altitude what does it look like.
I learned to fly in sail planes. Somebody has mentioned that here. In a sail plane your initial climb is always some sort of thrusting device either a tow plane or a ground launch. After that your thrust is provided by gravity. You only have two ways to control your airspeed on a fixed glide slope in sail plane, pitch and drag. Many glider pilots set up on final and fly the glide path using half speed brakes. That gives them a cushion if they start getting low they can close the brakes and extend their glide. The same as adding or taking power off, instead you increase or decrease drag. Same basic concept though.
My big question here is how many of you actually have to think whether you are using pitch or power for glide slope control. I guess everybody learns it one way or another and by the time you are comfortable enough to actually fly an ILS in the weather it had better be second nature and totally reflexive for you or I'd say you've got some issues.
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