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NHS Drone delivery's


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Yes but it is not stable under all conditions that a table would be used for. Moving the leg into a position of halfway across the side, nearer to the missing leg would stabilize it under all conditio

https://airspacechange.caa.co.uk/PublicProposalArea?pID=281

If you remove all of the legs it will become even more stable.  

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Marc RC pilot
14 hours ago, isoaritfirst said:

Storks replaced with drones?

 

:)

image.png.0f5caf87373fcdfaa8e1651a216cc9b8.png

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EssexBOF

Feel there will be only one winner as to where they are allowed to fly.

 

Airspace conflict

I have just had a very interesting conversation with Skylift and am getting a more detailed flight plan sent to me.

The model they are using runs on 3 lipo’s, has a 3m wingspan and weighs 25kg!

They are keen to not prevent us from flying and are happy to work with us.

I have also contacted the BMFA who are aware of the situation and whilst they believe the flight zone does not encroach on us they have objected to the CAA.

Gary Nunn

CMFA Chairman.

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EssexBOF

After checking the map of the air corridor shown, it potentially affects 5 sites where model or full size aircraft fly from. So there could not have been much research as to where they would fly.

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Steve J
On 23/10/2020 at 15:10, EssexBOF said:

I have also contacted the BMFA who are aware of the situation and whilst they believe the flight zone does not encroach on us they have objected to the CAA.

I would have hoped that the BMFA would have agreed a template co-ordination procedure with the CAA for clubs and companies performing BVLOS UAS trials to use. Like it or not, BVLOS UAS operations are coming and are going to impact more and more model flying sites.

Is there anybody on here who flew off the Orme during the recent Coastguard UAS trials and who contacted RAF Valley?

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Jef Ott

This has me worried now. 

I would be very interested in seeing the risk assessment for use of such a practically poor design, to carry hospital pathology test samples over our countryside.

The fact it "only" has a 3m wingspan and a relatively low wing area, and an AUW of 25kg, means to fly at all efficiently, it will need to be going fast. 

Such speed will make it difficult to avoid bird strikes. (What a great film "Sully" is.)

If it had six rotors and lost one, it would at least be capable of losing a rotor blade and still landing safely. A quad losing a motor/blade will lose height uncontrollably. Think of a table with four legs, take away one and the table is unstable, whereas one built with two sets of three legs will remain stable if it loses any of one set. 

When is the first flight in anger going to take place, and how will the "pilot" be able to convince him/herself that they can make the complete flight and landing safely, as we do before we fly?

Edit to add picture taken on 14th Oct less than 2 miles from Basildon Hospital.

 

DSC05743.jpg

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Picture of the “drone”, a conventional aircraft with additional rotors for vertical take off and landing. The trial has been going on for a while now and there was a full news report on BBC look east a few weeks back. 
 

It is designed to fly at 300ft and to follow a route over open country avoiding populated areas en route. I guess that has the potential to put it in direct conflict with model flying. 
 

 

image.jpeg.dc2af2adfcbd98334696385398d31d2b.jpegimage.jpeg.a9995daf5652c697ba86225ee260a490.jpeg

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pete beadle

Hi all

We've all got to get out of this mindset that we are being "targeted" EVERYONE using airspace is a potential accident waiting to happen - especially big birds:yes::(

Personally, I don't worry about "small" drones, 3 metres span or less, especially the ones the NHS will be using - with wings - what I'm going to worry about is the bigger drones Amazon and others will be using, "tasked" by Americans sitting in offices that rarely see the light of day, and aided in their philosophy based on short cuts and fake news, by a president who thinks he is sane(!)

No chaps, there ARE worse things to worry about

Regards

Pete

BARCS1702

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Jef Ott

It is in full operation now. Just been chatting with one of the managers there.

It is an awful design though, if a bird strike takes a rotor out, it cannot land safely.

 

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pete beadle

Hi Jef

Did your chat with the NHS manager touch on how his trust (or group) transport these small urgent parcels now?

I'd hate to be complaining about a new system that is provably better(?) than what they're doing now

It's bad enough that the minister still refuses to accept that "track and trace" still can't reach an acceptable level of tests being done and turned around, without blaming the current transport system(s) that seem to be working....

Regards

Pete

BARCS 1702

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Jef Ott

They're doing it by drone now Pete.

That's what I meant when I said "It's in full operation now."

Previously, it was done by men in vans. As far as I know, vans can be parked safely having withstood multiple bird strikes 😜

It's shocking.

I don't know what to do about it. But the design needs a re-think, and a proper risk assessment needs to be done.

 

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Jef Ott
3 hours ago, gem said:

 

It is designed to fly at 300ft and to follow a route over open country avoiding populated areas en route. I guess that has the potential to put it in direct conflict with model flying. 

Large birds at around 300ft are also likely to be flying in the same uninhabited corridors, and are more likely to be in direct conflict with this drone than model flying areas, which can probably be routed around, if the NHS are made aware that the flying areas are there. 

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oipigface
5 hours ago, Jef Ott said:

Think of a table with four legs, take away one and the table is unstable

(Pedant’s corner) This isn’t true. The table may not be level, but it will be stable even on an uneven floor. With four legs of equal length it will be stable on a flat floor, but unstable otherwise.

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EssexBOF
3 hours ago, oipigface said:

(Pedant’s corner) This isn’t true. The table may not be level, but it will be stable even on an uneven floor. With four legs of equal length it will be stable on a flat floor, but unstable otherwise.

Can't see that, taking one leg away from a table wit 4 legs one in each corner, it would be definitely unstable!

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oipigface

Supposing all the legs are the same weight, taking the leg away from one corner moves the CG towards the opposite leg. The bottom ends of the three remaining legs are sufficient to define a plane and a triangle on it. The projection of the CG onto that plane lies within the triangle (as long as the floor is close enough to horizontal). Therefore the table is stable. It’s true that if you put a pint on the legless corner (or anything heavier than the leg that’s been removed) the table falls over, but the pint falls too. The table on its own won’t.

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Jef Ott

 

OK you win. Look at the picture and imagine a bird strike disabling either of the front rotors, now imagine what will happen when the drone tries to land.

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