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Post by charleslenguch on Aug 11, 2016 19:35:47 GMT 12
When I'm having my flight lessons in the Alpha160 or R2160 I can see that the accelerometer has three needles on it. What do the different needles show? Note: Have only had about 4 hours of flight in light air-craft
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Post by Bruce on Aug 11, 2016 19:43:18 GMT 12
G meter or Accelerometer. - one needle is "live" G Forces on the aircraft, it goes up and down depending on what cool stuff you are doing. The other two needles will "stick" at the maximum positive and maximum negative G encountered (since you may only touch that for a fraction of a second). there should be a little button or knob for resetting everything to 1 G at the start of a flight.
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Post by Dave Homewood on Aug 11, 2016 21:14:06 GMT 12
Welcome to the forum Charles.
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Post by mit on Aug 11, 2016 21:30:18 GMT 12
That's what a quite fly about the sounds will do to the poor gmeter... and that's straight and level flying!! |
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Post by charleslenguch on Aug 12, 2016 9:39:54 GMT 12
G meter or Accelerometer. - one needle is "live" G Forces on the aircraft, it goes up and down depending on what cool stuff you are doing. The other two needles will "stick" at the maximum positive and maximum negative G encountered (since you may only touch that for a fraction of a second). there should be a little button or knob for resetting everything to 1 G at the start of a flight. Ahh ok thanks, that helped lots. |
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Post by hardyakka on Aug 14, 2016 20:21:46 GMT 12
Just a little etiquette tip to add to this. If you fly an aerobatic aircraft that is shared my multiple people, it is considered bad form to reset the G-meter at the end of a flight. Leaving it where it ended up shows the next pilot that you didn't exceed the G-limits. Reset it as part of you pre-takeoff checks. If you get into an aerobatic capable aircraft and the max, min and current G needles are all pointing at "1", someone may be concealing evidence of airframe over-stress. Not so much of an issue in an Extra 300 because if a pilot exceeded the G-limits on that you'd probably be able to spot them immediately by all the broken blood vessels in their eyes :-)
But GA aircraft with lower limits could be susceptible.
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Post by charleslenguch on Aug 15, 2016 8:37:19 GMT 12
Just a little etiquette tip to add to this. If you fly an aerobatic aircraft that is shared my multiple people, it is considered bad form to reset the G-meter at the end of a flight. Leaving it where it ended up shows the next pilot that you didn't exceed the G-limits. Reset it as part of you pre-takeoff checks. If you get into an aerobatic capable aircraft and the max, min and current G needles are all pointing at "1", someone may be concealing evidence of airframe over-stress. Not so much of an issue in an Extra 300 because if a pilot exceeded the G-limits on that you'd probably be able to spot them immediately by all the broken blood vessels in their eyes :-) But GA aircraft with lower limits could be susceptible. Yeah when we do my pre-takeoff my instructor tells me to reset it. |
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