How to Glue Yourself to a Plane, According to Science

From Popular Mechanics

A protester did it. We can do it better.

By Andrew Daniels

Oct 11, 2019

Twitter/@JonMew/Creative Commons
Twitter/@JonMew/Creative Commons

Popular Mechanics HQ was predictably spellbound yesterday when news reports trickled out concerning a protester who glued himself to the top of a British Airways plane at London City Airport.

On top of that, the protester, identified as a man named James Brown, is a partially visually impaired former Paralympic runner and cyclist. Meet your new Most Interesting Man in the World.

While we’d like to reach out to Brown to ask him some questions—actually, all the questions—what’s complicating matters is the small fact that he may or may not be in jail at the moment. Brown was acting on behalf of Extinction Rebellion, a London-based environmental group known for theatrical gestures of protest, when he bought a ticket for a flight, went through security, proceeded up the steps of the BA Embraer 190 jet, and propelled himself on top, according to The Sun.

“Here I am on top of a f****** aeroplane at City Airport,” Brown said in a video he posted online during the stunt. “I hate heights, I’m s******* myself, I managed to get on the roof. I am so shaky.”

Security soon approached Brown, and not a moment too soon. “Oh good,” Brown said after a few impassioned rally cries against government inaction on climate change, “security are coming. I hope they don’t take too long, because this is f****** scary.”

Brown was eventually removed, and we await more information about his status.

There’s lots to unpack here, like, say, how exactly a partially visually impaired man was able to climb on top of a twin-engine jet airliner. Seems pretty hard! But we were mostly curious about how you’d go about gluing yourself to a plane. Since airport security pulled Brown off the jet with relative ease, he honestly couldn’t have tried very hard.

So. Let’s say you actually wanted to do this thing the right way. We won’t ask why. But you’re dead-set on sticking to a plane, dammit, and that’s all that matters. Where do you start?

Master the Physics

“The first order of business,” says Giles Dillingham, Ph.D., the CEO and chief scientist at BTG Labs, a materials science company that performs research in surface science, surface treatments, and adhesion, “is to determine the load we are asking the bond to withstand.”

In this scenario, imagine you’re 170 pounds. This is your load. If you try to stick yourself to the bottom of a plane, you’ll put the adhesive bond (the glue) into too much tension, and the forces will probably fail it, Dillingham says. But go to the top of the plane and your weight will compress the bond instead. In that case, the only thing that could fail the bond is the shear stress that results from the drag of the airflow on your body.

our bond will have to resist the force of wind, says Dillingham, so you’ll need an estimate of that force. “A skydiver who is facing straight down has a terminal velocity of about 200 mph,” he says. “At that speed, the force of gravity pulling the body down is just equal to the force of the wind on the body.” Let’s assume, then, that your bond has to survive a speed of 200 mph and withstand a 170-pound load.

You’ll want to maximize the entire bonded area, of course. If you only glue your hand to the plane, your entire load—your weight, plus the drag from the airflow—must be supported by the spot on your skin that’s actually bonded. Bond a large area, however, and the force per unit area will be low, Dillingham says.

In other words, spread that glue all over your body, and leave no patch of skin unturned.

Full article here.

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fatherup
October 14, 2019 10:07 pm

Should have left him there and took off/

Reply to  fatherup
October 14, 2019 10:21 pm

I agree. It would have been interesting to see how long he lasted up there. The manufacturer of the glue could have used it as a testimonial if he stayed on.

Henning Nielsen
Reply to  nicholas tesdorf
October 14, 2019 11:09 pm

Or at least, glue producers could use the incident for consumer information on the package; “Do not apply on airframes at 50 feet above ground or more”, a bit like it says on all nuclear weapons: “Do not put in mouth. Unsuitable for children, including politicians.”

Adam Gallon
Reply to  Henning Nielsen
October 15, 2019 1:03 am

Been done!

Gerry, England
Reply to  Adam Gallon
October 15, 2019 5:49 am

Not on top of an aeroplane it hasn’t so therefore the experiment is still required. I predict that he would most certainly have shat himself.

Jeff Alberts
Reply to  Adam Gallon
October 15, 2019 6:32 am

“All-purpose wallpaper adhesive”, seems like an oxymoron.

Russ Wood
Reply to  Adam Gallon
October 16, 2019 9:23 am

A South African manufacturer of a powerful epoxy used the stuff to glue two sheets of metal together. One end of the bonded sheets was attached to a crane, the other end to a 20 ton bulldozer. Then the CEO of the company stood under the bulldozer for the commercial. Now THAT’S faith in your product!

Bryan A
Reply to  nicholas tesdorf
October 15, 2019 6:24 am

Was thinking the same thing myself.
He had a ticket.
He boarded the plane.
Just let everyone else board and take their seats.
Give him one last chance to get down.
Either way, close the door and begin taxiing to the end of the runway.
If he chooses to fly on the outside rather than the inside, he better hope his glue holds…

AMTR
Reply to  Bryan A
October 16, 2019 2:59 am

I agree. Takeoff with him on it and close off a failed gene pool before he has a chance to breed!

MattS
Reply to  nicholas tesdorf
October 15, 2019 8:03 am

The problem is breathing after the plane reaches cruising altitude. Even if he could stay on the plane, he won’t survive without an oxygen source.

Walt
Reply to  MattS
October 15, 2019 9:20 am

If he survived the climb to 30,000 feet the effects of the low of air pressure, low temperature and force exerted by the air flow might leave something glued on the skin of the plane.

Sam Pyeatte
Reply to  MattS
October 15, 2019 12:33 pm

The wind forces would have ripped him off soon after liftoff.

Rah
Reply to  fatherup
October 15, 2019 2:04 am

Exactly. Or at least taxied to the end of the runway and doing a preflight checklist and run up while videoing that fools reaction.

LdB
Reply to  fatherup
October 15, 2019 2:30 am

You cant do that it would have scared the hell out of his seeing eye dog 🙂

Robertv
Reply to  LdB
October 15, 2019 3:08 am

It is one thing being on the side of the stairs. The scary part is to know there is nothing to stop you before smashing on the runway on the other side (8 to 10 meters lower). Taking away the stairs would have done the job.

Rick Johnson
Reply to  fatherup
October 15, 2019 2:36 am

If a good hang on for a few miles it would have been a great advertisement for the glue company.

Reply to  fatherup
October 15, 2019 9:09 am

He’s probably confused by the gate crew instructing him to ‘get on the plane’ and too dim to say ‘frack you, I’m getting IN the plane! Let the dare-devils get on.”
Hat-tip the late, great Geor-ge-or-ge… Carlin

J Mac
Reply to  Erny72
October 15, 2019 10:02 am

If an Extinction Rebellion freak glues himself to the top of an aircraft fuselage, does he get freakuent flier miles for the flight?

If an Extinction Rebellion freak dies as a result of her self-deluded stupidity, should we consider her personal Extinction Rebellion a success?

Johann Wundersamer
Reply to  J Mac
October 22, 2019 10:45 pm

J Mac October 15, 2019 at 10:02 am

If an Extinction Rebellion freak glues himself to the top of an aircraft fuselage, does he get freakuent flier miles for the flight?
____________________________________

No, he’ll get accusations / charges on air traffic impedance / obstruction on most parts of the world:

“Legality

Most jurisdictions consider the obstruction of traffic an illegal activity and have developed rules to prosecute those who block, obstruct, impede, or otherwise interfere with the normal flow of vehicular or pedestrian traffic upon a public street or highway. Some jurisdictions also penalize slow moving vehicle traffic. The unimpeded flow of traffic in the public road-space is often considered a common right.”

https://en.wikipedia.org/wiki/Traffic_obstruction

https://www.google.com/search?client=ms-android-huawei&sxsrf=ACYBGNQ1OHMMCru6ZIB30wywaxt0Dy8ZlA:1571809498375&q=reagan+condemned+striking+air+traffic+controllers+to+lifelong+job+loss&spell=1&sa=X&ved=2ahUKEwj8n7jW1rHlAhVkw8QBHS60BLYQBSgAegQIDBAC&biw=360&bih=518

D. J. Hawkins
Reply to  fatherup
October 15, 2019 10:05 am

I’m calling “shenanigans” on the glue part of this story. Nothing in the original coverage suggested he tried to glue himself to the plane.

ЯΞ√ΩLUT↑☼N
Reply to  D. J. Hawkins
October 15, 2019 3:34 pm

Not only that, I’m wondering how he managed to get any liquid past security, because Muslims ya know. Then I’m wondering why we need some prof in this story to yak ridiculum about shear forces from airflow as if the plane took off but of course didn’t. Was that just filler?

TheLastDemocrat
Reply to  ЯΞ√ΩLUT↑☼N
October 15, 2019 9:23 pm

Good point. Confine testing to 3 oz or less.

Rocketscientist
Reply to  fatherup
October 15, 2019 12:55 pm

Even if the glue held his skin wouldn’t. BTW, he probably wouldn’t last takeoff.

Sunny
October 14, 2019 10:11 pm

This cult XR, isnt funny any more 😐 Stopping people from living and earning money is utterly selfish. Yesterday in london they blocked a ambulance from getting past, even though the ambulance was on a emergency call. A friend heard on the radio that XR protestors are getting paid £400 per week, and the british government is asking them to pay tax on moneys earnt.

Loydo
Reply to  Sunny
October 14, 2019 10:48 pm

And someone on twitter said they eat babies – their own – I thought they were supposed to be vegan, eww.

Reply to  Loydo
October 14, 2019 11:08 pm

“Ethical cannibalism”
Coming to an extremist near you

Henning Nielsen
Reply to  Loydo
October 14, 2019 11:11 pm

No problem, just tell them that the babies are made of vegetables, and 100% renewable.

Richard
Reply to  Henning Nielsen
October 15, 2019 5:18 am

Well at least they are organic, just not free range.

Reply to  Henning Nielsen
October 15, 2019 9:15 am

Well, if they’re considering their own babies and if one observes that ‘the apple never falls far from the tree’, their own children probably are destined to be vegetables just like their parents.
So extinction retardation types could conceivably have their vegie and eat it too.

Reply to  Sunny
October 14, 2019 10:55 pm

Which begs the question, can’t the people paying for this be charged, arrested and thrown in jail? As long as the useful idiots at the bottom of the food chain are the only ones being arrested, the people behind this get to gleefully look at their useful idiots’ antics with no personal consequences.

Sheri
Reply to  John Mason
October 15, 2019 2:17 am

Uh, no, John, they can’t. See one of the advantages of being a billionaire lunatic is you can never be jailed or convicted of anything. This has been true throughout history. In view of the fact that there are literally millions of useful idiots at the bottom that happily go to jail to show their loyalty, this time-honored method of doing business as a billionaire lunatic will survive for many, many more centuries.

mark from the midwest
Reply to  Sheri
October 15, 2019 6:15 am

Good point about the inequity in criminal justice, but what about a civil suit? Juries are more than happy to award huge punitive damages against anyone with deep pockets. Then with my new found wealth I can hire a bunch of East End thugs to follow XR’s around and … well things happen, you know

Jeff Alberts
Reply to  John Mason
October 15, 2019 6:35 am

“Which begs the question”

Begging the question isn’t what you portray. You meant “Which raises the question”.

LAncifer
Reply to  Jeff Alberts
October 15, 2019 7:24 am

Thanks for pointing that out Jeff, but I’ve given up on telling people this. It has become more common than the proper use of the phrase, referring to the logical fallacy of affirming the antecedent .

It is in the same category as when people say “We find the rise in CO2 concerning.” They mean “disconcerting” and it is clearly a misuse of the word “concerning” which is a preposition not an adjective. But, sadly both of these misuses have become so common that most linguists accept them as examples of English “evolving”.

That’s why I teach math and not English. 2 + 2 will never equal 4 no matter how many dolts say that it does.

Zig Zag Wanderer
Reply to  LAncifer
October 15, 2019 7:45 am

2 + 2 will never equal 4 no matter how many dolts say that it does.

I’m assuming you meant “2 +2 will never equal 5”, but it can. Consider:

2.4 +2. 4 = 4.8

now round to the nearest integer:

2 + 2 = 5

Susan
Reply to  Jeff Alberts
October 15, 2019 8:56 am

Thank you Jeff, that one sets my teeth on edge.

Lancifer
Reply to  Susan
October 15, 2019 3:28 pm

Ack! I typed a 4 not a 5!

My math skills are good my phone typing…not so much.

Pop Piasa
Reply to  Jeff Alberts
October 15, 2019 9:07 am

Merriam says it this way:
“Begging the question means “to elicit a specific question as a reaction or response,” and can often be replaced with “a question that begs to be answered.” However, a lesser used and more formal definition would be “to ignore a question under the assumption it has already been answered. The phrase itself comes from a translation of an Aristotelian phrase rendered as “beg the question” meaning “assume the conclusion.”

https://www.merriam-webster.com/words-at-play/beg-the-question

Pop Piasa
Reply to  Pop Piasa
October 15, 2019 9:50 am

As English is a “live” language, there is a continual adoption of misused words and phrases, idioms,slang and colloquialisms by the dictionaries. If enough influential people write the word ‘nucular’, don’t be surprised to see it become legit.

Sunny
October 14, 2019 11:20 pm

According to experts, wind and solar are winning, and oil use will soon be dead 😐 I will miss driving my car……

https://amp.theguardian.com/environment/2019/oct/14/rise-renewables-oil-firms-decades-earlier-think

mike the morlock
Reply to  Sunny
October 15, 2019 1:56 am

Sunny October 14, 2019 at 11:20 pm
Sunny this is a good little link that shows you the actual time use of all sources of power in the UK
Take a look at what is highest use

michael

http://www.gridwatch.templar.co.uk/

Sunny
Reply to  mike the morlock
October 15, 2019 5:12 am

Mike the morlock

Mass media is lying again 😐 Coal is only 2.2 % thats very low.. But Ccgt, wow… Gas is king… wind and solar are very very low and couldn’t power the nation now, let alone if we all started driving EV’s, or stopped using, all fossil fuel energy.

A combined-cycle power plant uses both a gas and a steam turbine together to produce up to 50 percent more electricity from the same fuel than a traditional simple-cycle plant. The waste heat from the gas turbine is routed to the nearby steam turbine, which generates extra power.

Gerry, England
Reply to  Sunny
October 15, 2019 5:52 am

Strangely, since the big power outage the amount of wind power has been massively reduced even when available, which means that it is costing us more money not to have it. So the ‘it wasn’t anything to do with too much wind’ crowd are being shown up as liars.

KyBill
Reply to  mike the morlock
October 15, 2019 6:37 am

This series of graphs is very telling. Note how the variation in load is met – CCGT’s do the work. There has to be a generator that can be adjusted to meet the constantly changing load. This is also why solar and wind cannot be more than 40% +- (I am recalling this and could be off) of the total maximum load – you have to be able to match the demand and the renewables are unable to do this.

Mark Gobell
October 14, 2019 11:21 pm

It is surprising how a passenger can get airside to board an aircraft with anything resembling a liquid of any sort in any quantity exceeding 100mL

https://www.gov.uk/hand-luggage-restrictions

MG

Joe
October 14, 2019 11:47 pm

Would that be the same James Brown Paralympian who was banned by Ireland for a couple of years for a doping violation? Not sure how relevant that is but it’s nice to see that ER attracts quality protesters!

October 14, 2019 11:49 pm

See, this is why I let my subscription lapse. Why doesn’t Popular Mechanics tackle more practical questions, like how to compensate for the drag created by an extinct protester on top of your fuselage when planning your approach to the destination runway? Or even: how many extra Pacific islanders will drown per cadaver attached to an aerodynamic surface of a transatlantic airliner?

I look forward to the Mythbusters episode that takes on that old wives’ tale: wait til the ex-protester is good ‘n’ frozen, then simply apply peanut butter for effortless off-scraping.

Bryan A
Reply to  Brad Keyes
October 15, 2019 6:32 am

Yep those Extinct Rebels tend to evolve into speed bumps and aerodynamic impedance

Elle Webber
October 14, 2019 11:57 pm

Was the glue made from petroleum? No, no, the hypocrisy would be too huge to get by the ever-inquisitive news media.

So, the glue was made from dead horses then?

Reply to  Elle Webber
October 15, 2019 2:59 am

Dead? No, it was made entirely from hoof-shavings donated by a horse manicurist.

Johann Wundersamer
Reply to  Elle Webber
October 23, 2019 6:26 am

Elle Webber October 14, 2019 at 11:57 pm

Was the glue made from petroleum? No, no, the hypocrisy would be too huge to get by the ever-inquisitive news media.

So, the glue was made from dead horses then?
________________________________________________

Not really, such glues are e.g. a brand of adhesives, sealants and surface treatments that include acrylic, anaerobic, cyanoacrylate, epoxy, hot melt, silicone, urethane and UV/light curing technologies.

https://www.google.com/search?q=LocTite+ingredients&oq=LocTite+ingredients+&aqs=chrome.

Voltron
October 14, 2019 11:59 pm

He also was sacked for a doping offence, which media outlets seem to miss.

TonyL
October 15, 2019 12:09 am

Stupid.
*sigh*
The guy was hanging on to the upper doorway frame. His knuckles were right there.
All they has to do was slam the door shut.
That would have fixed everything.

griff
October 15, 2019 12:10 am

Well, if this works out, we double the capacity of aircraft, with outside seating… I guess you could smoke out there too!

BillP
October 15, 2019 12:25 am

The problem is that the human body is not shaped to fit against an aircraft, so even if you coat your body in glue only a limited area will make contact and bond. So you need a filler so that the entire lower surface of your body is attached to the aircraft. This will also prevent airflow between the aircraft and your body, which would have imposed additional stresses on the glue.

F1nn
Reply to  BillP
October 15, 2019 4:35 am

So that is a nonproblem. Just full speed up in the air and he is gone. And that is his problem.

Hokey Schtick
October 15, 2019 12:40 am

You can’t glue stupid.

Rod Evans
October 15, 2019 12:49 am

Simple punishment needed, Ban him from representing his country at future events because, he is just a silly stunt….

October 15, 2019 1:12 am

“Who will rid us of this turbulent drag?,” said the pilot to his first mate on noticing the fuel gauge.

Pop Piasa
Reply to  Brad Keyes
October 15, 2019 11:41 am

Good to see you, Brad!
Dry and sparkling wit, as always. 🎯

Craig from Oz
October 15, 2019 1:12 am

I think your assumptions are flawed.

You use 200mph based on the fact that is the terminal velocity of skydivers. However skydivers are only accelerating from gravity. Airliners are accelerating from the power of those honking big engines hanging under each wing. Casually research suggests this aircraft has a cruise speed of 495mph (797km/h).

Can we have a re-cal please? 🙂

OweninGA
Reply to  Craig from Oz
October 15, 2019 7:09 am

Yes but the 200 mph is for a sky diver presenting maximum drag (facing ground with arms and legs out-stretched.) The drag is considerably lower if it is headfirst or feet first. It would be pretty stupid to try to ride standing on the fuselage (that should be more stupid – I like to ride inside the aircraft myself) as that would maximize drag. Head first there are probably any number of epoxy formulas that would hold them. Of course scraping their dead body off after the flight would be difficult because if the plane spent much time at all above 12,000 feet death is assured. Also without a helmet, any bugs met on climb out could do serious cranial damage – oh wait, we are talking about an extinction rebellion member – no brain to damage, carry on.
(Note to readers, this reply was fact based with a HUGE amount of sarcasm thrown in for good measure. I would never recommend flying an aircraft with a person glued to the surface as it could potentially damage a perfectly serviceable aircraft!)

Walt
Reply to  Craig from Oz
October 15, 2019 9:37 am

The glued external passenger would never survive
decompression at 30,000 feet and wind resistance at 500 mph.
He would save money by buying a one way ticket.

commieBob
October 15, 2019 1:13 am

… arrests topped 1,000. link

What do you do when you have a whole bunch of political prisoners headed for prison. In Canada, there was a group of radicals known as the Sons of Freedom. Three times in the twentieth century, the government built a special prison to accommodate them. link

I’ve heard protesters say, “They can’t arrest all of us.” Well, yes they can.

Susan
Reply to  commieBob
October 15, 2019 8:55 am

Special prison for them: St Kilda, where they can try living without the benefits of fossil fuel or other capitalist inventions. See how long the vegans last when both food and fuel comes from seabirds.

TheLastDemocrat
Reply to  commieBob
October 15, 2019 9:30 pm

When the tables are turned, they will certainly be ready to imprison all the rest of us.

Clarky of Oz
October 15, 2019 1:14 am

Oddly enough I was thinking about this sort of thing today. not adhering myself to an aircraft, mind you but what I would do if I found one of these dedicated XR protesters glued to a roadway..

Any way I resolved to carry several items next time I went to an XR rally just in case I came across one such dedicated XR protester.
1 Bottle of acidified sea water. This is of course empty.
1 Bottle of normal sea water.
1 Bottle of Glacier water, extracted from a pristine ice field some where in Greenland and transported here at great expense on oil burning ships or aircraft.
1 Bottle of tap water, chlorinated and fluoridated.
1 Bottle of untreated water from the creek behind our house.
1 Hospital urine collection bottle.

I would after 30 minutes or so in the sun offer the thirsty protester the various samples. Naturally he could not drink the acidic sea water as the bottle is empty. Being a dedicated XR protester, he would refuse the slightly alkaline seawater as according to green logic, this should not even exist. Besides it is salty. His green convictions would prevent him from taking the glacier water. Tap water he would also reject as it contains chlorine and other nasty chemicals. By this time he should be quite thirsty, water water everywhere and not a drop to drink. This is where the unfiltered muddy creek water comes in. If he gets thirsty enough he will drink it. Wait another 30 minutes of so and produce the urine bottle but place it just out of reach. I then drink the glacier water myself and then slowly pour the sea water from one bottle to another within sight and hearing of the dedicated XR protester. The sound and sight of trickling water has a profound effect on a man.

And the urine bottle is just out of reach.

Sheri
Reply to  Clarky of Oz
October 15, 2019 2:20 am

You know he’s going to have to wait until he has a full load to wash those pants he wet. He’s not allowed to waste water on one pair of soggy trousers, no matter how bad they smell after a week. It’s all natural, though, so he shouldn’t be bothered.

ozspeaksup
Reply to  Clarky of Oz
October 15, 2019 5:17 am

oooh your’e good
you work for? EXTradition contractors?

Moderately Cross of East Anglia
October 15, 2019 1:34 am

If you have any lingering doubts about the vile nature of the XR leaders please be aware that they wish to subvert Parliament and elected leaders and organise “people’s assemblies“ to decide how to run the country. These assemblies would doubtless be intimidating groups of eco-thugs and anyone expressing a contrary view would be howled down and led off to the nearby gulag.

Personally I think they should have taxied the plane round to the runaway. I expect he would have rapidly freed himself. These protestors are arrogant, uninformed, hard-line anti- capitalist, jerks. Most of their followers are ignorant and misguided.

Mike Ozanne
October 15, 2019 1:42 am

I don’t see any impediment there to commencing the sortie on schedule….

Rhys Jaggar
October 15, 2019 1:46 am

Why should competing in the Paralympics grant any legitimacy to utterances about climate change?

There is nothing there to suggest the man knows the first thing about weather or climate.

The news should eliminate all mention of the mans name, depriving him of any titillation gained from being a wastrel in public.

Alex
October 15, 2019 2:07 am

He’ll probably be put on the no-fly list. Probably won’t matter to him because he can’t see where he’s going anyway.

leitmotif
October 15, 2019 2:24 am

Blackadder: ‘We’re in the stickiest situation since Sticky the Stick Insect got stuck on a sticky bun.’

David Chappell
October 15, 2019 3:11 am

“security are coming. I hope they don’t take too long, because this is f****** scary.”
Sorry, mate, they’ll be a while yet, your friends have set up a roadblock.

Gerald the Mole
October 15, 2019 3:50 am

I wonder what safety checks were required on the structure of the aeroplane before it was allowed to take off?

Gerald the Mole
October 15, 2019 3:52 am

I wonder what safety checks were performed on the structure of the aeroplane before it we allowed to take off?

Flight Level
Reply to  Gerald the Mole
October 15, 2019 11:50 am

A guy with a maglight, then another one without a maglight. Then several others discussing with very concerned voices. Then shuffling manuals. Finally someone signs it off with a note for the next check.