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Chat Area => General Discussion Area => Topic started by: TheBoy on 09 January 2022, 16:42:00

Title: Caught out by the wind
Post by: TheBoy on 09 January 2022, 16:42:00
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.   Opps, completely misjudged the wind today.
Title: Re: Caught out by the wind
Post by: Field Marshal Dr. Opti on 09 January 2022, 16:45:33
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.  Opps, completely misjudged the wind today.


Which type of wind? You have previous form for problem wind......usually after a night out. :)
Title: Re: Caught out by the wind
Post by: TheBoy on 09 January 2022, 16:56:04
Following a Cjinky takeaway last night, I would had to own up to a spot of flatulence today.
Title: Re: Caught out by the wind
Post by: Kevin Wood on 09 January 2022, 17:28:12
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.   Opps, completely misjudged the wind today.

First rule of gliding. If you're going to mess around, do it upwind of the airfield. ;D
Title: Re: Caught out by the wind
Post by: TheBoy on 09 January 2022, 18:35:33
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.   Opps, completely misjudged the wind today.

First rule of gliding. If you're going to mess around, do it upwind of the airfield. ;D
Yeah, but I'm sensible enough to have an engine. Or 4 ;D
Title: Re: Caught out by the wind
Post by: Kevin Wood on 09 January 2022, 19:03:58
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.   Opps, completely misjudged the wind today.

First rule of gliding. If you're going to mess around, do it upwind of the airfield. ;D
Yeah, but I'm sensible enough to have an engine. Or 4 ;D
.. but not a 40:1 glide angle @ 50 odd knots. ;D
Title: Re: Caught out by the wind
Post by: Doctor Gollum on 09 January 2022, 19:26:06
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.   Opps, completely misjudged the wind today.

First rule of gliding. If you're going to mess around, do it upwind of the airfield. ;D
Yeah, but I'm sensible enough to have an engine. Or 4 ;D
.. but not a 40:1 glide angle @ 50 odd knots. ;D
Variable pitch control would be a start...
Title: Re: Caught out by the wind
Post by: Sir Tigger KC on 09 January 2022, 20:22:32
I get caught out by wind now and again.  :(                                                                                                                               Well someone had to say it!  ;D
Title: Re: Caught out by the wind
Post by: Raeturbo on 09 January 2022, 21:48:30
I smiled once and the wind caught me🙂
Title: Re: Caught out by the wind
Post by: Marks DTM Calib on 10 January 2022, 07:53:47
If you have any videos of Wappenham would be interested, dad grew up there and his parents owned the shop
Title: Re: Caught out by the wind
Post by: TheBoy on 10 January 2022, 10:51:14
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.   Opps, completely misjudged the wind today.

First rule of gliding. If you're going to mess around, do it upwind of the airfield. ;D
Yeah, but I'm sensible enough to have an engine. Or 4 ;D
.. but not a 40:1 glide angle @ 50 odd knots. ;D
Pondering the glide angle of a multirotor aircraft.  What d'ya reckon, 0:1 glide angle? ;D
Title: Re: Caught out by the wind
Post by: TheBoy on 10 January 2022, 10:56:25
If you have any videos of Wappenham would be interested, dad grew up there and his parents owned the shop
Ah, yes, now you've said that, I recall you saying previously your Dad was from a shop in one of the nearby villages :y

Whole video uploaded to youtube last night, but they are still processing it. I'll send you the link when its done - its usually around 18hrs for a 4k60fps 20 minute clip.
Title: Re: Caught out by the wind
Post by: Doctor Gollum on 10 January 2022, 13:21:00
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.   Opps, completely misjudged the wind today.
First rule of gliding. If you're going to mess around, do it upwind of the airfield. ;D
Yeah, but I'm sensible enough to have an engine. Or 4 ;D
.. but not a 40:1 glide angle @ 50 odd knots. ;D
Pondering the glide angle of a multirotor aircraft.  What d'ya reckon, 0:1 glide angle? ;D
Without blade pitch control? Pretty much guaranteed...

https://www.faasafety.gov/gslac/alc/course_content_popup.aspx?cID=104&sID=452#:~:text=Autorotation%20is%20the%20state%20of,event%20of%20an%20engine%20failure.
Title: Re: Caught out by the wind
Post by: TheBoy on 10 January 2022, 13:55:42
A nice day today, so decided to go out with one of the quadcopter drones this afternoon, having a (correctly distanced) nose around Wappenham and Silverstone, and started getting wind warnings. So swung it round with still 74% battery remaining, to be on the safe side...

...and over a kilometre out, it was down to 5% so started force landing.   Opps, completely misjudged the wind today.
First rule of gliding. If you're going to mess around, do it upwind of the airfield. ;D
Yeah, but I'm sensible enough to have an engine. Or 4 ;D
.. but not a 40:1 glide angle @ 50 odd knots. ;D
Pondering the glide angle of a multirotor aircraft.  What d'ya reckon, 0:1 glide angle? ;D
Without blade pitch control? Pretty much guaranteed...

https://www.faasafety.gov/gslac/alc/course_content_popup.aspx?cID=104&sID=452#:~:text=Autorotation%20is%20the%20state%20of,event%20of%20an%20engine%20failure.
A multirotor has some advantages over a single rotor, around weight distribution and redundancy.  But yes, I can assure you that a total power failure does result in it dropping out of the sky like a stone.  I can also explain what happens when a well known open source flight controller crashes due to misconfigured compass...   ...which is highly entertaining, if somewhat stressful at the time.
Title: Re: Caught out by the wind
Post by: TheBoy on 11 January 2022, 09:02:50
If you have any videos of Wappenham would be interested, dad grew up there and his parents owned the shop
From about 6m20 to about 7m40

https://youtu.be/Q4PHWrLF8rs

Title: Re: Caught out by the wind
Post by: TheBoy on 11 January 2022, 17:37:16
Just watched it all the way through myself, and was intrigued that in the height of Winter, Wappenham has crop circles - see about 14m10


Where is my foil hat,,,