During the flight this evening my air speed indicator stopped working. Aagh, I thought, pitot heat. After 10-12 minutes still no ASI. It certainly made for an interesting landing! I checked the hangar and the chaps in there told me the plane was in perfect condition. I did a walk round, checked the pitot and the circly thing turned red. Mmm, must mean it's hot. Took off, still no ASI. Flew some more with pitot heat off. Landed, checked the pitot again. This time the circly thing turned blue. Cold obviously.
In the end I shut P3Dv4.3 down and started again. ASI reported for duty as it ought.
I've never seen this before and it's likely I wont see it again but...
Any idea why this would happen?
This is on a pristine install of P3Dv4.3 and A2A airplanes.
Dead ASI
- Ron Attwood
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Dead ASI
Eva Vlaardingerbroek, an inspiratiom.
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Re: Dead ASI
maybe it’s because the pitotheat can keep the ice away, but needs a long time to clear a massive build up?
Kind Regards
Tomas
Sim: FSX SE
Accu-Sim aircraft in my hangar:
C172, C182, P51 Civ, P51 Mil, B17, Spitfire, P47, B377 COTS,
J3 Cub, T6, Connie, P-40, V35B
A2A Accu-Sim Avro Lancaster Loading:............0.000003% complete, please wait.
Tomas
Sim: FSX SE
Accu-Sim aircraft in my hangar:
C172, C182, P51 Civ, P51 Mil, B17, Spitfire, P47, B377 COTS,
J3 Cub, T6, Connie, P-40, V35B
A2A Accu-Sim Avro Lancaster Loading:............0.000003% complete, please wait.
- Ron Attwood
- Chief Master Sergeant
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- Joined: 30 Nov 2010, 10:07
- Location: Chelmsford, Essex, UK
Re: Dead ASI
In fact there was no icing involved. A nice warm, summer, low altitude, cloudless(almost) sky. Would you say 10-12 minutes was long enough to clear ice it the conditions were appropriate?
Eva Vlaardingerbroek, an inspiratiom.
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- Senior Master Sergeant
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Re: Dead ASI
I don't really know, I've never flown into potential icing without the heat on. I just think this has been brought up a while ago, but if you didn't fly in icing conditions, then there must be another problem
Kind Regards
Tomas
Sim: FSX SE
Accu-Sim aircraft in my hangar:
C172, C182, P51 Civ, P51 Mil, B17, Spitfire, P47, B377 COTS,
J3 Cub, T6, Connie, P-40, V35B
A2A Accu-Sim Avro Lancaster Loading:............0.000003% complete, please wait.
Tomas
Sim: FSX SE
Accu-Sim aircraft in my hangar:
C172, C182, P51 Civ, P51 Mil, B17, Spitfire, P47, B377 COTS,
J3 Cub, T6, Connie, P-40, V35B
A2A Accu-Sim Avro Lancaster Loading:............0.000003% complete, please wait.
Re: Dead ASI
All circuit breaker pushed in? Is there a circuit breaker only for the air speed indicator?
MSFS2020 Boxed Version (German) | Win 10 Pro | I5-9600K @ 4.8GHz | 32GB RAM | RTX 2070 8GB | SSD | T.16000M
Re: Dead ASI
Hi Ron,
Or perhaps a fat and clunky fly met it's doom in your pitot tube.
Cheerz,
Will
Or perhaps a fat and clunky fly met it's doom in your pitot tube.
Cheerz,
Will
Bonanza, Skylane, Skyhawk, Cherokee, Cub, Texan, Mustang, Warhawk, Spitfire, Flying Fortress
Re: Dead ASI
ASI uses no electrical power, so no possibility of a CB being the issue.
Chances are this was a software glitch.
Chances are this was a software glitch.
Flight Simmer since 1983. PP ASEL IR Tailwheel
N28021 1979 Super Viking 17-30A
N28021 1979 Super Viking 17-30A
- Ron Attwood
- Chief Master Sergeant
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Re: Dead ASI
That would be my guess.Oracle427 wrote:
Chances are this was a software glitch.
Eva Vlaardingerbroek, an inspiratiom.
- Lewis - A2A
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Re: Dead ASI
Are you using a weather engine? Sometimes though thankfully rare I've seen this pop up when using weather injection, something will ice up and not clear without a re-load.
thanks,
Lewis
thanks,
Lewis
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- Ron Attwood
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Re: Dead ASI
Hi Lewis, yes, AS4 always have, always will. Like I said, I've never seen it before. Even though there were no icing conditions?
We'll let it drop because I don't think it'll happen again. If it does....
We'll let it drop because I don't think it'll happen again. If it does....
Eva Vlaardingerbroek, an inspiratiom.
Re: Dead ASI
I've had this happen, and I've heard of it happening before. Somewhere Active Sky and A2A code is conflicting, where AS will freeze a pitot tube, but will not remove the blockage after pitot heating is applied in the A2A aircraft. Yet, if you have pitot heating active when you encounter icing conditions, AS will not block the pitot tube. If AS blocks the pitot tube, my understanding is that it cannot be cleared until a reset of the simulation.Ron Attwood wrote:Hi Lewis, yes, AS4 always have, always will.
I don't know if this applies to other aircraft, but if I have my Active Sky (Next) running I make sure the pitot heat is on
Re: Dead ASI
I use AS_P3Dv4 and have had this happen once in the T-6. Gone after a tricky landing then a restart.
Seeya
ATB
Seeya
ATB
- Ron Attwood
- Chief Master Sergeant
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