hovering question
09-11-2004 | 03:34 PM
#2
My Feedback: (3)
RE: hovering question
Right thrust is probably the issue..
Try this,
1. Center your rudder trim so that your rudder is at neutral on the ground.
2. With wings totally level pull up into a vertical upline so that the canopy is facing you and see what the plane does (Its probably going to track to the left instead of vertical with what you have said.)
3. At the top do a stall turn or hammerhead chop the throttle and hands off let the plane come straight down with the canpoy facing you. (Its probably going to track straight down.)
A. If its a very VERY minor pull to the left in the vertical upline just add right rudder trim till it tracks perfectly straight up but its also going to yaw somewhat due to the trim coming down a little. (Not the best way but easier)
B. If its minor to anything more than minor add right thrust till it tracks straight up.
The reason that trimming the rudder isnt the best way to go is because it causes coupling in other aspects.
Once you can track perfectly vertically without rudder correction(except for wind correction) Then try this
1. Fly the plane about 150' high straight into the wind and straight at yourself with wings level pull into a nice smooth loop.
2. See what the plane does, if it tracks to your left through the loop add a click or two of left rudder trim, if it tracks to your right add right rudder trim. But only after you have corected your thrust issues, this doesnt work right until your engine thrust is right IMO.
That being said you are still going to have to work the rudder when you are prop hanging and they still tend to want to always fall to the left even with proper trimming.
Try this,
1. Center your rudder trim so that your rudder is at neutral on the ground.
2. With wings totally level pull up into a vertical upline so that the canopy is facing you and see what the plane does (Its probably going to track to the left instead of vertical with what you have said.)
3. At the top do a stall turn or hammerhead chop the throttle and hands off let the plane come straight down with the canpoy facing you. (Its probably going to track straight down.)
A. If its a very VERY minor pull to the left in the vertical upline just add right rudder trim till it tracks perfectly straight up but its also going to yaw somewhat due to the trim coming down a little. (Not the best way but easier)
B. If its minor to anything more than minor add right thrust till it tracks straight up.
The reason that trimming the rudder isnt the best way to go is because it causes coupling in other aspects.
Once you can track perfectly vertically without rudder correction(except for wind correction) Then try this
1. Fly the plane about 150' high straight into the wind and straight at yourself with wings level pull into a nice smooth loop.
2. See what the plane does, if it tracks to your left through the loop add a click or two of left rudder trim, if it tracks to your right add right rudder trim. But only after you have corected your thrust issues, this doesnt work right until your engine thrust is right IMO.
That being said you are still going to have to work the rudder when you are prop hanging and they still tend to want to always fall to the left even with proper trimming.
