gnixon2015
First Officer
United States
Offline
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here is a very good explanation of CL and HL (not contrary to what others have posted but the explanation part, particularly the parts about a 'string' in HL and the NSEW comment on CL:
Course Lock (CL): Move the switch to the middle and you are now flying in Course Lock Mode. In CL, it doesn't matter
which way the craft is oriented (pointing). Now forward is whatever direction the craft was pointed before it took off (the
recorded Home Orientation direction). In Short, Course Lock relates to Initial Heading. It's like flying on an invisible,
fixed grid. If it took off with the nose pointing north, forward will always send it north, back will always send it south,
left will always send it west, and right will always send it east. When flying in IOC Home Lock or Course Lock you can
control yaw, while remaining on course. Useful, for example, if you want to track a target by flying “forward” while
rotating.
Home Lock (HL): Move the switch all the way down and you activate Home Lock Mode. In HL, like in CL, it doesn't
matter which way the craft is oriented (pointing). But in Home Lock, back is always back to the Home Point (the
Recorded or Dynamic(if activated-see below) Home Point location), forward is always away from the Home Point, right
is always 90° to the right of a line from the Home Point to the craft, and left is always 90° to the left of a line from the
Home Point to the craft. In short: Home Lock relates to Home Point. Think of the craft as being on the end of a string
which is the radius of a circle - shorten, it comes back; lengthen, it goes away; twirl (left or right), it goes in a circle
around the home point.
the cool thing about HL is that a left/right (based upon the string comment) should make it do a perfect circle with a fixed radius
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