Re: [Texascavers] Drones for rigging

[Charles Goldsmith via Texascavers]

DJI announced a proximity camera module for their Matrice quad,
https://developer.dji.com/guidance/ If this thing wasn't so expensive, I'd
look at getting it, maybe if I hit the lotto!  :)

On Mon, Sep 28, 2015 at 2:06 PM, Greg Passmore via Texascavers <
texascavers@texascavers.com> wrote:

> We use heavy lift drones for professional cinematography. The cameras
> weigh 30-50 pounds, so the drones tend to be large and fly with severe
> control latency (due to their mass).  You can do just about anything with
> drones if you can afford to wreck them and not rain debris onto bystanders
> below.  That being said, we have seen a lot of serious injuries from the
> larger copters (over 100 stitches into a pilots face) and serious financial
> losses (over $100k for high en rigs).  Even small drones can hurt people
> and break formations.  So … my only real comment here is please be
> careful.  Even toy drones with prop guards can dislodge things or hurt if
> they fall onto you.  Big drones are damn dangerous and if you are on a cave
> trip where large drones are in use, keep a safe distance and stay out from
> under it.
>
> Greg
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Re: [Texascavers] Drones for rigging

[Greg Passmore via Texascavers]

I think the discussion revolves around the possibility of using drones to 
replace maypoles for difficult rope placement.  Cavers already use technology 
for rappelling, lighting and ascending. Drones may offer a way to access 
ceiling leads that are now considered inaccessible. I am old enough to remember 
a lot of heated arguments over Jumars; as in “Why do we need these fancy Jumars 
when we already have prussik knots!”  ;-)

> On Sep 29, 2015, at 8:04 PM, Charles Loving via Texascavers 
>  wrote:
> 
> Good grief. What ever happened to caving for the fun of caving and why do we 
> need all the technology BS. Only about .01% of anyone actually gives a damn 
> what covers do. Who needs drones? And all this GPS crap. I don't even use a 
> cell phone.
> On my way!
> 

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Re: [Texascavers] Drones for rigging

[Charles Loving via Texascavers]

Good grief. What ever happened to caving for the fun of caving and why do
we need all the technology BS. Only about .01% of anyone actually gives a
damn what covers do. Who needs drones? And all this GPS crap. I don't even
use a cell phone.
On my way!

On Tue, Sep 29, 2015 at 7:11 PM, Charles Goldsmith via Texascavers <
texascavers@texascavers.com> wrote:

> DJI announced a proximity camera module for their Matrice quad,
> https://developer.dji.com/guidance/ If this thing wasn't so expensive,
> I'd look at getting it, maybe if I hit the lotto!  :)
>
> On Mon, Sep 28, 2015 at 2:06 PM, Greg Passmore via Texascavers <
> texascavers@texascavers.com> wrote:
>
>> We use heavy lift drones for professional cinematography. The cameras
>> weigh 30-50 pounds, so the drones tend to be large and fly with severe
>> control latency (due to their mass).  You can do just about anything with
>> drones if you can afford to wreck them and not rain debris onto bystanders
>> below.  That being said, we have seen a lot of serious injuries from the
>> larger copters (over 100 stitches into a pilots face) and serious financial
>> losses (over $100k for high en rigs).  Even small drones can hurt people
>> and break formations.  So … my only real comment here is please be
>> careful.  Even toy drones with prop guards can dislodge things or hurt if
>> they fall onto you.  Big drones are damn dangerous and if you are on a cave
>> trip where large drones are in use, keep a safe distance and stay out from
>> under it.
>>
>> Greg
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>> http://www.mail-archive.com/texascavers@texascavers.com/
>> http://lists.texascavers.com/listinfo/texascavers
>>
>
>
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>
>


-- 
Charlie Loving
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Re: [Texascavers] Drones for rigging

[Mark Minton via Texascavers]

  There is a TED talk that discusses and demonstrates really cool
quadcopter stuff using a closed GPS-type system that might work
underground: 
http://www.ted.com/talks/raffaello_d_andrea_the_astounding_athletic_power_of_quadcopters?language=en

Mark

On Mon, September 28, 2015 11:10 am, Wm Shrewsbury via Texascavers wrote:
> Here's one I've been thinking of purchasing. They indicate they will have
> a proximity sensor option in the future:
> http://www.ascentaerosystems.com/sprite. Combine it with the live control
> panel and we might just have a 'cave capable' drone for checking out high
> leads.
>
> Wm
>
> -Original Message-
> From: Texascavers [mailto:texascavers-boun...@texascavers.com] On Behalf
> Of Mark Minton via Texascavers
> Sent: Monday, September 28, 2015 11:00 AM
> To: texascavers@texascavers.com
> Subject: Re: [Texascavers] Drones for rigging
>
>   Here is a link to a (no doubt pricey) "collision-proof" drone:
> <http://www.flyability.com/>. The cage likely reduces payload for other
> things, but it might at least work with a video camera for recon, even if
> it couldn't do any rigging. Another lightweight option would be to use a
> drone to simply drape a string over a suitable anchor (if one could be
> found) and use that to pull up a rope later. Something similar was done
> years ago using a helium balloon for Top of the Cross in Carlsbad.
>
> Mark
>
> On Sun, September 27, 2015 11:19 pm, Charles Goldsmith via Texascavers
> wrote:
>>
>> There are a lot of factors when dealing with obstacles around you
>> while flying.  If I know I'm going to be flying near walls or other
>> things that could interrupt the props, I have prop guards that I can be
>> put on.
>>
>> I have smacked a canyon wall once, while "ridge walking" using my
>> drone, luckily it survived, even after falling 20 feet and hitting a
>> large rock at the bottom, but I was very lucky and no, didn't have the
>> guards on that time.
>>
>> Terrain/obstacle avoidance would be a nice feature of a drone, give me
>> sensors to let me know how far away I am on 3 axis and I'd be happy :)
>> Even if it cost a bit of weight and lowered my flight time.
>>
>> On Sun, Sep 27, 2015 at 9:49 PM, Mixon Bill via Texascavers
>> <texascavers@texascavers.com> wrote:
>>
>>> You'll notice that the video of using a drone for rigging has nicely
>>> padded walls, presumably to protect the drone. Just yesterday I was
>>> talking to a profession film maker who uses drones on his projects.
>>> He said drones and canyons don't go well together, at least not when
>>> the drone is carrying an expensive video camera. I would think trying
>>> fly a drone anywhere near a cave wall would be a big problem. --
>>> Mixon

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Re: [Texascavers] Drones for rigging

[Mark Minton via Texascavers]

  Here is a link to a (no doubt pricey) "collision-proof" drone:
. The cage likely reduces payload for other
things, but it might at least work with a video camera for recon, even
if it couldn't do any rigging. Another lightweight option would be to
use a drone to simply drape a string over a suitable anchor (if one
could be found) and use that to pull up a rope later. Something similar
was done years ago using a helium balloon for Top of the Cross in
Carlsbad.

Mark

On Sun, September 27, 2015 11:19 pm, Charles Goldsmith via Texascavers wrote:
>
> There are a lot of factors when dealing with obstacles around you while
> flying.  If I know I'm going to be flying near walls or other things
> that could interrupt the props, I have prop guards that I can be put on.
>
> I have smacked a canyon wall once, while "ridge walking" using my drone,
> luckily it survived, even after falling 20 feet and hitting a large rock
> at the bottom, but I was very lucky and no, didn't have the guards on
> that time.
>
> Terrain/obstacle avoidance would be a nice feature of a drone, give me
> sensors to let me know how far away I am on 3 axis and I'd be happy :)
> Even if it cost a bit of weight and lowered my flight time.
>
> On Sun, Sep 27, 2015 at 9:49 PM, Mixon Bill via Texascavers
>  wrote:
>
>> You'll notice that the video of using a drone for rigging has nicely
>> padded walls, presumably to protect the drone. Just yesterday I was
>> talking to a profession film maker who uses drones on his projects.
>> He said drones and canyons don't go well together, at least not when
>> the drone is carrying an expensive video camera. I would think trying
>> fly a drone anywhere near a cave wall would be a big problem. -- Mixon

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Re: [Texascavers] Drones for rigging

[Wm Shrewsbury via Texascavers]

Here's one I've been thinking of purchasing. They indicate they will have a 
proximity sensor option in the future:
http://www.ascentaerosystems.com/sprite. Combine it with the live control panel 
and we might just have a 'cave capable' drone for checking out high leads.

Wm

-Original Message-
From: Texascavers [mailto:texascavers-boun...@texascavers.com] On Behalf Of 
Mark Minton via Texascavers
Sent: Monday, September 28, 2015 11:00 AM
To: texascavers@texascavers.com
Subject: Re: [Texascavers] Drones for rigging

  Here is a link to a (no doubt pricey) "collision-proof" drone:
<http://www.flyability.com/>. The cage likely reduces payload for other things, 
but it might at least work with a video camera for recon, even if it couldn't 
do any rigging. Another lightweight option would be to use a drone to simply 
drape a string over a suitable anchor (if one could be found) and use that to 
pull up a rope later. Something similar was done years ago using a helium 
balloon for Top of the Cross in Carlsbad.

Mark

On Sun, September 27, 2015 11:19 pm, Charles Goldsmith via Texascavers wrote:
>
> There are a lot of factors when dealing with obstacles around you 
> while flying.  If I know I'm going to be flying near walls or other 
> things that could interrupt the props, I have prop guards that I can be put 
> on.
>
> I have smacked a canyon wall once, while "ridge walking" using my 
> drone, luckily it survived, even after falling 20 feet and hitting a 
> large rock at the bottom, but I was very lucky and no, didn't have the 
> guards on that time.
>
> Terrain/obstacle avoidance would be a nice feature of a drone, give me 
> sensors to let me know how far away I am on 3 axis and I'd be happy :) 
> Even if it cost a bit of weight and lowered my flight time.
>
> On Sun, Sep 27, 2015 at 9:49 PM, Mixon Bill via Texascavers 
> <texascavers@texascavers.com> wrote:
>
>> You'll notice that the video of using a drone for rigging has nicely 
>> padded walls, presumably to protect the drone. Just yesterday I was 
>> talking to a profession film maker who uses drones on his projects.
>> He said drones and canyons don't go well together, at least not when 
>> the drone is carrying an expensive video camera. I would think trying 
>> fly a drone anywhere near a cave wall would be a big problem. -- 
>> Mixon

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Re: [Texascavers] Drones for rigging

[Greg Passmore via Texascavers]

We use heavy lift drones for professional cinematography. The cameras weigh 
30-50 pounds, so the drones tend to be large and fly with severe control 
latency (due to their mass).  You can do just about anything with drones if you 
can afford to wreck them and not rain debris onto bystanders below.  That being 
said, we have seen a lot of serious injuries from the larger copters (over 100 
stitches into a pilots face) and serious financial losses (over $100k for high 
en rigs).  Even small drones can hurt people and break formations.  So … my 
only real comment here is please be careful.  Even toy drones with prop guards 
can dislodge things or hurt if they fall onto you.  Big drones are damn 
dangerous and if you are on a cave trip where large drones are in use, keep a 
safe distance and stay out from under it.  

Greg
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[Texascavers] Drones for rigging

[Mark Minton via Texascavers]

  Here's a video from a European caving forum showing drones being used to
rig a rope bridge strong enough for humans to cross. This could have
practical application for caving, at least if you could see well enough
and trust the anchors.

.

Mark Minton
mmin...@caver.net

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Re: [Texascavers] Drones for rigging

[Mixon Bill via Texascavers]

You'll notice that the video of using a drone for rigging has nicely padded 
walls, presumably to protect the drone. Just yesterday I was talking to a 
profession film maker who uses drones on his projects. He said drones and 
canyons don't go well together, at least not when the drone is carrying an 
expensive video camera. I would think trying fly a drone anywhere near a cave 
wall would be a big problem. -- Mixon

A man cannot be too careful in his choice of enemies.

You may "reply" to the address this message
(unless it's a TexasCavers list post)
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Re: [Texascavers] Drones for rigging

[Charles Goldsmith via Texascavers]

There are a lot of factors when dealing with obstacles around you while
flying.  If I know I'm going to be flying near walls or other things that
could interrupt the props, I have prop guards that I can be put on.

I have smacked a canyon wall once, while "ridge walking" using my drone,
luckily it survived, even after falling 20 feet and hitting a large rock at
the bottom, but I was very lucky and no, didn't have the guards on that
time.

Terrain/obstacle avoidance would be a nice feature of a drone, give me
sensors to let me know how far away I am on 3 axis and I'd be happy :)
 Even if it cost a bit of weight and lowered my flight time.

On Sun, Sep 27, 2015 at 9:49 PM, Mixon Bill via Texascavers <
texascavers@texascavers.com> wrote:

> You'll notice that the video of using a drone for rigging has nicely
> padded walls, presumably to protect the drone. Just yesterday I was talking
> to a profession film maker who uses drones on his projects. He said drones
> and canyons don't go well together, at least not when the drone is carrying
> an expensive video camera. I would think trying fly a drone anywhere near a
> cave wall would be a big problem. -- Mixon
> 
> A man cannot be too careful in his choice of enemies.
> 
> You may "reply" to the address this message
> (unless it's a TexasCavers list post)
> came from, but for long-term use, save:
> Personal: bmi...@alumni.uchicago.edu
> AMCS: a...@mexicancaves.org or sa...@mexicancaves.org
>
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