🛞Bleeders 101 - Dirt Track Sprint Car Racing
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- Опубликовано: 22 янв 2024
- How they work and so much more!!! Billy and Seth talk tire bleeders and why they’re used in sprint car racing.
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I remember when the axle style bleeders first came out. A crew guy told me it was because they thought the centrifugal forces on the standard bleeders from the tires spinning was causing the setting to change on the track.
Yep, the Conroy “Pnu-control” ones… I remember them.
I dont think the centrifugal force is or was that big a deal, since the spring is so small and stiff. But the Swindell ones are here to stay.
It wasn’t the spring but the diaphragm itself. How it reacts on a tank is NOT how it’s gonna react on a rear wheel spinning so damn fast.
Awesome job guys!!
Brings back a lot memories of settling bleeders !!
Back in the day was there a bleeder like a valve stem inside the rim. Enjoy all the videos Heather keep up the great work. See ya on the next video or podcast.
Again many questions answered great video !!
Great new design. Like the red frame a lot, yellow is killer. Congratulations on the new sponsors. They picked a great sprint car team!
Another great video! Thank you for taking the time to do these they are super informative for those of us that only get to watch from the grand stands.
Awesome video. Once again, very informative. Thanks for doing these tech videos.
Loved all those Little Freddie appearance....just glad I wasn't playing a drinking game
I remember during a red flag we'd all be using those copper colored one's and we'd pull into 1 and 2 at Clinton County. The crew guys would come running out with everything they could carry. Dumping fuel, asking a million questions, your sweating your ass off, what bar do you want changed, how many turns, and all I could think about was ALL OF THE HISSING and something that sometimes sounded like horns blowing!! Good times!!
Awesome thanks.
Love the tech stuff. If you do a video on the rear axle differences my life will be complete. My beer drinking buddy that watches your videos with me would like you to show how the oil, fuel and PS pumps mount to the engine. Do you have any shirts in 5 or 6XL??
Love watching your video !! Learn alot
We never had that unit that you set the bleeders with. We always worked off the spit bubble method.
I usually set the bleeders in the tire, with the spit method
Great video ive wondered about bleeders for years lol this explains the red light you can see at the ends of the axles
with the Swindell bleeders you didnt mention the duration setting?
Seems like the old style "quick change" bleeder designs are susceptible to centrifugal force. The diaphragms are non-zero mass and will therefore behave quite differently than they do when connected to the static tank. This is why the newer designs are packaged into axles even though that creates problems with fractured tubes.
Thank you !! I wonder how the swindell bleeder works. Very interesting. Im old school old bledder value.
Good stuff! Always wondered how the swindell bleeder were held in the axle!
About 30 days Lincoln starts.
Good video you should do one on on how the wing moves.
Always wondered how they mounted.
Fast Cat!
the cat was the star of this vid...lol
So the axle bleeder eliminate s the rim mounted bleeder?? And axle bleeder just screws to tire stem with valve installed??
What about the 4th bleeder style??? The one where the crew chief uses wireless device to actively change pressures during the race?
Bring Sethy back for more! He is way better than Danny!
Ok a few questions: What keeps the bleeders inside the axel tube? Bead locks, why not on all the wheels like the modifieds? Last question, would you drive a dirt modified if asked? Love the videos, great tech and good winter viewing . Guy from Jersey.
Was just thinking about bleeders/ and illegal communications. So who has a blue tooth controlled digital bleeders?
I have to in the 305 cuz we can't run
Shop cat! ❤
Do the tires not have to be balanced
The only place I have used balanced race tires was the Mile at Syracuse.
Which Style do you normally use Billy? maybe I missed it.
Swindell
What about its only bleeding air out of one side of the tire? What about the back side? I had a uncle who used to live next to a guy who's son worked with a guy who used to go to the races. He said that his favorite driver ricky would bleed the air out of the backside of the tire to create more bite.
What should you set the delay on swindell bleeders at?
Usually our delay depends on the track conditions, bump it up for a big cushion and turn it down when the track is slick
Do you set them to the pressure you start at or do you play tricks and get them higher or lower during a race?
Where you want it to bleed down too after a run and a yellow comes out.
Say you start the main at 8psi in the right rear, it will blow up from the heat of running to 12psi.
So under yellow it will BLEED back down to 8psi if you have the bleeder set their.
305 racesavers dont allow bleeders. We run nitrogen and send the tires out a few psi lower than we want to run at.
Do you guys run nitrogen in your tires? Does that have any effect on your bleeders? Edit: Question answered @ 23:00