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#1
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Static ports
My glider, a Speed Astir, has static ports about halfway from the
trailing edge of the wing and the stabilizer. It also has some static ports just ahead of the fattest part of the fuselage.The forward ports have never been connected to anything since I got it. Do the front ports typically NOT provide a good static source? I'm just wondering if this is yet another thing 'everybody knows', except me. TIA Jim |
#2
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Static ports
On Aug 19, 9:32*pm, Grider Pirate wrote:
My glider, a Speed Astir, has static ports about halfway from the trailing edge of the wing and the stabilizer. *It also has some static ports just ahead of the fattest part of the fuselage.The forward ports have never been connected to anything since I got it. Do the front ports typically NOT provide a good static source? I'm just wondering if this is yet another thing 'everybody knows', except me. TIA Jim LOL! In general aft staic ports work better. Schweizer sailplanes used forward static ports that are very accurate. The DG-100 I owned also had forward static ports that were excellent. Check out some of Dick Johnsons sailplane flight test results for additional datapoints. Mike |
#3
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Static ports
Many gliders of that vintage were certified with forward statics
only. Aft statics were a factory option, ordered by people interested in accurate variometry. Your ASI should be on the forward statics, since that was the way it was calibrated and certified. |
#4
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Static ports
On Aug 20, 7:54*am, Pat Russell wrote:
Many gliders of that vintage were certified with forward statics only. *Aft statics were a factory option, ordered by people interested in accurate variometry. Your ASI should be on the forward statics, since that was the way it was calibrated and certified. Maybe- Best bet is to look in flight and maintenance manuals and see what manufacturer said. UH |
#5
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Static ports
On Aug 19, 8:32*pm, Grider Pirate wrote:
My glider, a Speed Astir, has static ports about halfway from the trailing edge of the wing and the stabilizer. *It also has some static ports just ahead of the fattest part of the fuselage.The forward ports have never been connected to anything since I got it. Do the front ports typically NOT provide a good static source? I'm just wondering if this is yet another thing 'everybody knows', except me. TIA Jim My feeling is that if static ports were designed into the glider, they were meant to be used. My static ports are near the nose of my glider and seem to yield good operational performance. It may be that the instruments call for a rear static port vs. a front one. Did you check your documentation on your instruments. Possibly Grob provided static ports in multiple places to allow for different types of installations. And Jim, I think there is very little that you don't know about gliders....... |
#6
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Static ports
On Aug 20, 7:56*am, Blake Seese wrote:
On Aug 19, 8:32*pm, Grider Pirate wrote: My glider, a Speed Astir, has static ports about halfway from the trailing edge of the wing and the stabilizer. *It also has some static ports just ahead of the fattest part of the fuselage.The forward ports have never been connected to anything since I got it. Do the front ports typically NOT provide a good static source? I'm just wondering if this is yet another thing 'everybody knows', except me. TIA Jim My feeling is that if static ports were designed into the glider, they were meant to be used. My static ports are near the nose of my glider and seem to yield good operational performance. It may be that the instruments call for a rear static port vs. a front one. Did you check your documentation on your instruments. Possibly Grob provided static ports in multiple places to allow for different types of installations. And Jim, I think there is very little that you don't know about gliders....... Great, now I have clean the coffee off my screen. |
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