Rangie Posted September 4, 2016 Share Posted September 4, 2016 (edited) So, 1kv up to 3kv, not inductive but with a degree of capacitive coupling, 1/2" or so dia connector with an earth/grounded casing. Is it an evacuated device? In my world that screams GM tube or photomultiplier... :-D Compensating for solar radiation/ionic radiation? Alec Edited September 4, 2016 by Rangie Quote Link to comment Share on other sites More sharing options...
Gordon_M Posted September 4, 2016 Share Posted September 4, 2016 De-icing supply of some kind? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 So, 1kv up to 3kv, not inductive but with a degree of capacitive coupling, 1/2" or so dia connector with an earth/grounded casing. Is it an evacuated device? In my world that screams GM tube or photomultiplier... :-D Compensating for solar radiation/ionic radiation? Alec Alec the capacitive coupling is just an inevitability rather than a necessity. Not an evacuated device in fact rather the opposite. Not a radiation issue. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 De-icing supply of some kind? Not that Gordon, Wally already suggested it in #77 Quote Link to comment Share on other sites More sharing options...
Richard Farrant Posted September 4, 2016 Share Posted September 4, 2016 Cloud charging, to get benefit from the ozone rich atmosphere around 12km up? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 Cloud charging, to get benefit from the ozone rich atmosphere around 12km up? Interesting thought Richard, but everyone is thinking of exotic explanations. It is much a more basic problem concerned with flying at this altitude. Quote Link to comment Share on other sites More sharing options...
wally dugan Posted September 4, 2016 Share Posted September 4, 2016 is it to do with the air mixture to the engine attitude Quote Link to comment Share on other sites More sharing options...
Lauren Child Posted September 4, 2016 Share Posted September 4, 2016 Nope Lauren this is to do with problems encountered at heights above 12km Rightho, that's into the stratosphere then. Low air density. Maybe something to do with static buildup from convection around thunderstorms? Quote Link to comment Share on other sites More sharing options...
Lauren Child Posted September 4, 2016 Share Posted September 4, 2016 Interesting thought Richard, but everyone is thinking of exotic explanations. It is much a more basic problem concerned with flying at this altitude. thinking of low density air, maybe some kind of air speed sensor? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 Rightho, that's into the stratosphere then. Low air density. Maybe something to do with static buildup from convection around thunderstorms? Good thinking Lauren nothing to do with static but the problem comes from low air density, so the design of this device allows a system to be used that circumvents the problem by doing something in a different way. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 is it to do with the air mixture to the engine attitude Sorry missed you there Wally. It is not to do with the engine air mixture itself, but how the air outside the engine causes problems & these devices seek to avoid these problems by doing some else differently. Quote Link to comment Share on other sites More sharing options...
Lauren Child Posted September 4, 2016 Share Posted September 4, 2016 (edited) Sorry missed you there Wally. It is not to do with the engine air mixture itself, but how the air outside the engine causes problems & these devices seek to avoid these problems by doing some else differently. Altering the air inlets to compress more air? or Altering the wing shape/angle to provide the same lift in less dense air? Not sure why they'd want such a high voltage to do either though Edited September 4, 2016 by Lauren Child Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 Altering the air inlets to compress more air? or Altering the wing shape/angle to provide the same lift in less dense air? Lauren this is how something behaves in less dense air & how it effects propulsion rather than aerodynamics Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 Not sure why they'd want such a high voltage to do either though In fact this is a lower voltage than one might have expected Quote Link to comment Share on other sites More sharing options...
Richard Farrant Posted September 4, 2016 Share Posted September 4, 2016 to stop the formation of ice crystals? Quote Link to comment Share on other sites More sharing options...
wally dugan Posted September 4, 2016 Share Posted September 4, 2016 beside handling problems is there not something about the centre of gravity at altitude Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 to stop the formation of ice crystals? Nope not that Richard Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 beside handling problems is there not something about the centre of gravity at altitude Don't know Wally but this is not related. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 OK here's a clue. The items are special & novel way to overcome a problem related to the conductivity of air. Quote Link to comment Share on other sites More sharing options...
Lauren Child Posted September 4, 2016 Share Posted September 4, 2016 OK here's a clue. The items are special & novel way to overcome a problem related to the conductivity of air. Ionising the air? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 Ionising the air? A conductivity issue Quote Link to comment Share on other sites More sharing options...
Lauren Child Posted September 4, 2016 Share Posted September 4, 2016 A conductivity issue De-ionising them? Quote Link to comment Share on other sites More sharing options...
Rangie Posted September 4, 2016 Share Posted September 4, 2016 Or the opposite, a probe to make the aircraft or device aboard the aircraft at the same potential as the ionosphere....? Alec Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 De-ionising them? No I meant that ionising leads to conductivity that causes the problem. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 4, 2016 Author Share Posted September 4, 2016 Or the opposite, a probe to make the aircraft or device aboard the aircraft at the same potential as the ionosphere....? Alec Alec not that sort of issue. Quote Link to comment Share on other sites More sharing options...
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