MP121 - F1 Flow-Vis Paint. What? How? Why? When?

[@6058jeremysmith]

Very informative video Marc.. your sweet daughter how nice for you to get her involved ... Dad of the day award 👍

[@DanieldelaFlor]

Awesome video. Between you and @chainbearf1, there's a lot of f1 knowledge out there now.

[@Shaun.Stephens]

Yep. Chain Bear F1 just did the adults version of this video.

[@kellermaharrey9274]

father of the day award goes to marc

[@Shaun.Stephens]

Why? For teaching his daughter to obey a man who is telling her to get him stuff over and over again?

[@kieranmcmahon1745]

@@Shaun.Stephens ---- Wow, you are incredibly bitter. The proper answer is for a dad who was teaching his daughter something really cool and different.

[@Shaun.Stephens]

@@kieranmcmahon1745 "Really cool and different" like obeying a man? Open your eyes. see past the facade....

[@kieranmcmahon1745]

@@Shaun.Stephens Guess what - You obeyed a man when you were a child (hint, it was your dad, and probably uncles / teachers / grandparents and so on ... ) Your comment was simply ludicrous and totally unrelated to the subject of the video. Try and leave the 1950's will you?

[@Shaun.Stephens]

@@kieranmcmahon1745 I wasn't born in the 1950s and I obeyed my mother - my Dad was too busy working to have much involvement in raising children. If my comment was ludicrous then why reply? Outrage culture? Virtue signalling?

[@hdmoviesource]

Whata perfect little assistent you've got. Great video explaining this.

[@F1Elvis]

Thanks

[@LourensRolograaf]

Did the Aero guys of Williams help Jaguar out with that wing?

[@robgraham5016]

Ha ha ha! Good one mate!

[@TheRealStevenGlen]

P1 for Ginger for wearing safety goggles!

[@davidjouvrot4236]

Thank you so much for showing and explaining this. Also very nice to see your daughter in the show. A good assistant. Cheers

[@PSK66az]

Love how you get your daughter to raid the kitchen, kids are the best. Excellent video

[@projectx-22racing85]

Thank you for posting this! We are trying some new components on my F2000 car and we will be using your formula for flow-vis

[@mooferoo]

"still finding it when it comes to the final race" - I doubt it on Grosjean's car :P

[@mediocrefriedchicken3944]

easily becoming my favourite f1 info channel. love the content and the presentation style

[@F1Elvis]

Thanks, appreciate it

[@HigherPlainGames]

Fasting forward to MP437 when from nowhere you find a spec of that poxy flo-vis on the car still. I have throwbacks to children with glitter... argh. Fantastic video though thanks for doing it!

[@stickie10]

I'm a viewer from the Netherlands and I love you're video's and nice to see you're briljant assistant. I always looking forward for the new video. Keep up the good work because you give very good and objective additional information about F1. Thanks for the video's

[@donny1boykie]

Very interesting and informative Video. Thanks Marc.

[@tomatwalden]

I bet the coffee from that cafetière tastes odd now!

[@davidbigwood8450]

This was fascinating Marc. Thanks.

[@v_alexiadis]

Brilliant, brilliant video.

[@PClaytonHuggins]

Very good very informative video...your efforts are appreciated.

[@randolphpaul5899]

Awesome demo Marc.

[@kiiiisu]

thanks this was good video, ive been thinking past 2-3 years what are they looking of that paint but now i finally know

[@nickbusuttil4206]

Haha , only you would do this !! Brilliant demonstration ! Thanks !!!! 😂👍🏻

[@mell3109]

Brill video, I have a Jensen Interceptor and the only car I have ever owned that I can put the window down and ZERO wind comes into the cabin, zero aero. I bet if you sprayed that on the front of the car you wouldn’t find any of it after a spirited drive haha

[@evonne_okafor]

Wow. So informative stuff. Great stuff 👏

[@senolsogut]

Great work Marc. Thanks 👍🏻

[@Nimander76]

Hope you called Jaguar first dude ha ha. Your assistant stole the show mate!

[@deekbk]

Very nice video 👌

[@samuelverburgt4632]

Very entertaining and educational, thanks! Makes me wonder, how does your family feel about you running around the house with a camera? Do they deliberately stay out of your way or do they like being caught on camera? #askelvis

[@F1Elvis]

I don't include them unless they want to be included.

[@elhadjiamadoujohnson4166]

Great stuff!!!

[@mfalme]

Ginger is such a star.

[@furyofbongos]

Wow, such great content, thanks!!

[@tonyroberts7481]

I just got a chance to watch this video. Awesome job Dad including your assistant with the experiment. Also I now want to make floviz myself. What I would use it on I have no earthly idea since I drive a brick, i.e. a truck. Lol. Keep up the great work as I usually watch the day the video is posted. PS what is a CFD system?

[@F1Elvis]

Thanks very much. CFD is computational fluid dynamics, or a complex, computer modelled simulation software the teams use to test items virtually.

[@coldforgedcowboy]

@Marc Priestly..... with the top down it is not suprising that airflow is very turbulent. It would be interesting to repeat the experiment with the top up and see what it looks like.

[@F1Elvis]

It doesn't really matter, it's not an aerodynamic device, it's a styling addition.

[@coldforgedcowboy]

Your right, just looking at Jaguars site the deployable rear spoiler reduces the top speed from 314 kph to 300 kph on the F-TYPE SVR.

[@xiaomifan5983]

Great Video !!! Now I'm trying to make flow vis myself and apply it to a small car model and test it in a self built wind tunnel. How long should the car be in the wind tunnel until I can take it out ?

[@andrewryder1319]

Fantastic! Thank you!

[@carlosmaldonado8600]

Thank man!

[@shinybaldy]

Question for you Marc: How much adjustment range/components are put into place on aerodynamic surfaces? We all know how suspensions/PU mapping could be adjusted - but are there much adjustability put into front wing/barge board/rear wings? How would that be done?

[@F1Elvis]

Front wings have on board quick adjusters to change flap angles and rear wings have series of mounting holes to change wing angles.

[@Shaun.Stephens]

"On board"? You mean accessable from outside the cockpit surely otherwise that would be moveable aero. Just trying for clarification, surely the phrase 'on board' was redundant and possibly confusing?

[@DouglasBerglund1]

Cool! It would be even cooler if you got different vehicles, and since it doesn't have a great effect on road vehicles it would be interesting to see on cars with "proven" aerodynamics!

[@Gitterdunne16]

What a great dad!!!

[@STS752]

so when you said that other F1 teams will be looking at the flow vis on the car, i wondered why they don't use a flow vis paint that is invisible to the naked eye but will show up with a UV camera and light source? it would help conceal the flow structures on the car from other teams.

[@F1Elvis]

That's what I said in the video, some do.

[@sumedhpatil5276]

#AskElvis Hi Marc... Any news about Formula1 Esport.. What is it all about..? Why is Ferrari not part of it...? Also has the F1 TV been launched. Your views on it... Loved todays experiment... Thanks for sharing your thoughts.... Full marks to little ginger... For being such a sport.

[@F1Elvis]

I'm really interested in the F1 ESports project and more teams are getting involved all the time. F1 TV has been launched, but I haven't seen it.

[@MrBigbadbowen]

Considering how space age-cutting edge- pinnacle of technology F1 is, it just seems a bit odd to see a mechanic spraying paint with an old garden water sprayer haha. Also interesting point raised in the video, considering the development of an f1 car over a season, plus all new parts and aero packages introduced over a season, crashes aside, how much of the car that goes off the line in Australia will actually make it through to the chequered flag in Abhu Dahbi? I would expect very little but is that possibly not the case?

[@F1Elvis]

Yes, very little

[@MrBigbadbowen]

Marc Priestley thanks.

[@android_4420]

bout as odd as seeing them using leaf blowers to cool the breaks. haha

[@phitsf5475]

6:35 Send the clip to your buddies in Jaguar but without context and an incorrect voiceover.

[@F1Elvis]

😂

[@CreamAle]

I wonder if there is a commercial version of that powder or something similar.

[@NSXWayneNZ]

Many thanks for the recipe which I have been looking for years. What speed is necessary to get the results videoed?

[@chgray777]

@Marc Priestly - How long did it take Jag to call you and ask for the car back? I mean, there's a lot of owners out there who would swear that the rear wing does work... Poor chaps.

[@F1Elvis]

I don't think even Jaguar would claim that to be an efficient aerodynamic device.

[@chgray777]

Was worth a chuckle... Thanks for the videos. They're high up on my go to list for F1 news each race weekend.

[@ianmasters8344]

Marc, will the next video be of Claire’s reaction to you wrecking the glassware and her plant sprayer? 😂

[@ronknox3376]

#askelvis Marc great video with the Flovis. I have a question regarding this area. What do they mean when they say the wind is stalling as with the problem on the Williams' new wing for Silverstone and how with wind tunnels and computers can they get it so wrong?

[@F1Elvis]

It means that the wing is at such an angle to create the required downforce, that it has gone beyond its useable range and the airflow has detached from the underside of the wing, rather than following the surface and generating downforce. At that point lots of downforce is lost.

[@ronknox3376]

Thank you Marc but how, with all that they have available to them to test this before a race weekend, do they get it so wrong. I would have thought wind tunnel testing would have revealed this design flaw

[@johnrobie196]

Love the goggles! Dad’s attempt at this mornings fashion... Not so much. Sorry Marc. Do love your work though.

[@TrackdayS13]

Amazing i should use this on my s13

[@sinquup]

Thanks for another informative video. A quick question. Do they use flow-vis in wind tunnels, or those little flappy strips we often see in wind tunnel demos? TIA

[@F1Elvis]

Yes, both.

[@AndreSomers]

And smoke, I guess?

[@JDomino]

I know this is an old video, but what is this stuff called? I have some race cars I’m building and would love to see how some hand made bits show flow on my new track machines!

[@garydates8034]

do f1 teams have the wheels in line or on an angle to simulate corners or both?in wind tunnels or even use a ball to simulate the whole turning arc? I think Newie can see the wind as cars drive past him lol

[@F1Elvis]

They simulate full turning sweeps, but straight ahead is highest speed, so most work focussed on that

[@Guust_Flater]

Mental mark to self : Don't lend your car to Marc... 😉😁👍

[@robshootuit]

He can get away with it, because his got a JAAAGGGXD

[@noremacbeez]

And don't loan your skateboard to Johnny Herbert....

[@henrypinto2393]

Hi Marc, in your McLaren days; can you remember the team picking up a performance boost by looking at flow-vis of other teams?

[@F1Elvis]

No

[@samuelverburgt4632]

Another question from me! How does the wind on the track on the day of testing affect the (interpretation of the) data? Or is it not affecting it in any way? #askelvis

[@F1Elvis]

Very very high winds could affect the results, but not substantially and if winds were that high, they wouldn't do it.

[@balazsvinkovics4152]

Great video! Just a quick question for you: After you make your flow vis paint, how long does it stay usable with the proper storage, what do you store it in?

[@lukeburrows6341]

@Marc Preistley Hi Marc, just wondering if teams would use flo-vis during wind tunnel tests or not? I know there is (hopefully) a closer correlation between CFD and wind tunnel tests, but is flo-vis ever used to verify CFD in the wind tunnel, or just on the 'full scale' car?

[@erikostby2232]

Marc, I work for a paint manufacturer in the US. What was the powder you added? It looked like just some pigment but i know that they have other powders available out there that do different thing. Also do F1 teams still actually paint cars or do they use some sort of vinyl wrap?

[@F1Elvis]

It's a titanium based powder. F1 cars are mostly painted, although some of the more complex liveries are vinyl.

[@erikostby2232]

Thanks Marc! now to try to find the guys in charge of that when i go to Austin in a couple of months

[@mhilmyfauzi4523]

When was the first time flow-Viz was used in F1?

[@F1Elvis]

Not sure, but we were using it back in the early 2000's.

[@calumclark1719]

With turbulent air being such a issue for the last couple of years is the no way to combat that on the car with a setup like Jordan went with at Monaco all those years ago with a wing mounted halfway up the nose? Or a regulations that strict it does not allow teams to combat the issue?

[@F1Elvis]

Yes, regulations would prevent that.

[@slikrx]

Very very cool! Parrafin... is that mineral spirits? Kerosene? Here in the states, paraffin is a wax, used for canning fruits & vegs...

[@FiddlerSteve]

I always thought it was the same as kerosene but looking it up it appears that paraffin oil is more refined, with less odor and producing less soot when burned.

[@5000TQ]

I wonder if lamp oil would be more proper to use for us in the States that can't get parrafin oil. Kerosene is typically dyed red for tax reasons so that's right out.

[@santiagovazquezrodriguez8879]

What is the powder made of?? I'm really curious

[@F1Elvis]

Its a coloured titanium based powder.

[@simonstenning1131]

I'm just picturing Jaguars faces whilst watching Marc spray his loaned car!

[@1pjodan]

Did you get the pink flo vis from force India?

[@F1Elvis]

No

[@raptormonkey253]

what did you use to wipe the flow vis off?

[@F1Elvis]

Just a cloth, it comes off very easily once it dries.

[@raptormonkey253]

@@F1Elvis thanks for the reply :) I was also wondering what the powder is, was it just a generic paint powder? or something special the f1 wizards made?

[@Arhineus]

I think that's the last time Jaguar lends Marc a car for something...lol

[@vatsalkamani]

Can you please provide link for the paint and paraffin?

[@F1Elvis]

Paragon you can buy from any hardware store, I got the paint from an F1 team...

[@parisprecious21]

I would love to actually see this on an F1 car why not have it done on an older car?

[@F1Elvis]

Yeah, I didn't have an old F1 car lying around unfortunately.

[@blackstonedaze8983]

she stole the show w the goggles

[@jamesmiller3142]

Chuffed you used the Jag to show the flow-vis

[@th1nk_outside]

why didnt your assistant join the second part? she could have sprayed it onto the Jag!

[@irishRocker1]

It's worth knowing what speeds you did the test at. If it's just 50km/h I'd imagine the flow lines would not be as clear as at 120km/h. Just saying cos the road looked pretty quiet rather than a motorway.

[@F1Elvis]

It wasn't meant to be a scientific test, the Jaguar wing isn't designed as an aero device, it's a styling feature. It was a bit of a joke.

[@irishRocker1]

Marc Priestley I know that it wasn't a scientific test but the curious engineer that I am wants to know more 🤣 I meant more to show the effect on the flow vis paint better and not so much the wing effect of the jag. So even on the side panel it'd show better at higher speeds. Probably. I'm not sure. That's why I asked! 🤔😜

[@justkaz16]

Is it safe to use that utensil for coffee after?

[@F1Elvis]

...hope so 😆

[@InspireFPV]

Maybe they could use a pigment that’s invisible without a special filter 🤔

[@android_4420]

Congratulations on adding your name to the distinguished company on "the list of British journos that have trashed a Jaguar press car".

[@fossyfossfoss]

"mark my coffee smells funny ? " lololololololol

[@F1Elvis]

😂

[@studiolezard]

Wouldn't you expect Jaguar to do this test, even though it's a street car?

[@F1Elvis]

They will have tested it in a tunnel, but unlike a racecar, styling is even more important than aero performance.

[@insertname8889]

Okay, now I'm depressed because I didn't get the penguin joke

[@coldforgedcowboy]

[[Insert Name]] ....... Riddle: How does a penguin build its house? Answer: Igloos it together. (It's word play, "It glues it together".)

[@insertname8889]

coldforgedcowboy Ohhh, thank you

[@F1Elvis]

😂😂😂

[@fencingcoach3w]

Hi Marc, Flow-vis appears to be a very helpful material to teams. How hi-tech are the other materials used in F1? What smart materials (see kzbin.info/www/bejne/al7Co6p6nLGAps0) are in use or being researched? I'd love to know but suspect this knowledge might be 'classified'. What can you tell us? Thanks... Pete cc. @Marc Priestly

[@matthewworrall6582]

Don’t tell mom 😂

[@steenkigerrider5340]

I don't know if the Jaguar company will appreciate it that your coloured paint demonstration (on their loan car to you) showed their expensive spoiler option accessoire to be a total bullshit gimmick.