Cause it can move sideways and backwards? Just a guess. I'm sure Squeeze can answer that.
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Cause it can move sideways and backwards? Just a guess. I'm sure Squeeze can answer that.
You can fit something that large out of your ass? Damn man.... :icon_tong
So that your course flown (but not your track) equals your heading, right? er
phrogpilot73
Well-Known Member
OK, seems to me that even if you're single engine (and putting in a whole lotta rudder), that flying in "balanced level flight", i.e. - with the wind coming straight down the nose is going to be more beneficial (less drag, etc...) then flying out of balanced, level flight, i.e. - flying a track...
Because sideslip is important in vstol ops. Excessive sideslip leads to a rolling moment that is normally countered by the vertical stab at higher wingborne airspeeds. In the slower regimes of vstol flight (jetborne or semi-jetborne), namely 30-90 kts, excessive sideslip can result in a rolling moment that is greater than control authority can correct.
Essentially, so long as one of AOA, airspeed, or sideslip is zeroed out, you're ok. Since sideslip is the easiest to control in most regimes of flight, we have a little vane to help.
Now you can go wow your friends with the knowledge of why a wind vane that looks like it costs 50 cents can save a $25 million aircraft.
B
Blutonski816
Guest
Awww.. c'mon man, it looks like it costs at least a couple bucks, lol...
The yaw string is about the only instrument that bever failed. Occasionally it would get caught in the radome hinge as it was closing. If it was seen like that duringa preflight, it had to be pulled free. A lot of Tomcats were "bent" and needed varying amounts lateral trim to fly ball centered at different airspeeds. Thus the string was used a lot.
You had to point that out?!? Dammit... I knew that Eurocopter, Robinson, and Rotorway rely on a string (they don't have a ball, so it's predominantly mounted on the windscreen), but come on - we're HELOS. You'd kind of expect it from us, not from something that has a HUD!
And if the batteries go dead? Too many things are relying on electronics. It's nice to see something that is foolproof.
And if the batteries go dead? Too many things are relying on electronics. It's nice to see something that is foolproof.
A ball doesn't require electricity...