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-   -   how did this NOT BLOW OVER?!?! (https://www.offshoreonly.com/forums/general-boating-discussion/342319-how-did-not-blow-over.html)

nocoolname37 10-30-2016 04:34 PM

how did this NOT BLOW OVER?!?!
 
there is a lesson in physics here and i bet someone is smart enough to draw a parallel between cars and boats and how to prevent blow overs. i am not that guy. https://www.facebook.com/NHRA/videos...c_ref=NEWSFEED

Smarty 10-30-2016 04:36 PM


Originally Posted by nocoolname37 (Post 4495929)
there is a lesson in physics here and i bet someone is smart enough to draw a parallel between cars and boats and how to prevent blow overs. i am not that guy. https://www.facebook.com/NHRA/videos...c_ref=NEWSFEED

Thew wheelie bars did the job correctly for Cruz, something to consider, where is an enigineer and a application guy to figure it out, ....

noli 10-30-2016 04:43 PM

.

yes, wheelie bar and "the driver did not over-react" as the announcer said

also I tot I saw these flaps opening and closing very quickly...proly air brakes and to push the nose back down?...good for him!



.

Unlimited jd 10-30-2016 05:32 PM

Throttle control and not freaking out.

Sydwayz 10-30-2016 05:39 PM

https://www.youtube.com/watch?v=XK3jWvNIqK4 Also: https://www.youtube.com/watch?v=oCBeOqK7ldA

1) Cars are designed with downforce to keep them on the track.
2) Catamarans are designed with lift, completely opposite.
3) Cars are not immune to blow overs, it's been happening for years; albeit rare.
4) With a car, usually you can back out of a wheelie and it comes down (albeit, sometimes the coming down is worse than staying up)...
...with a catamaran, often, when you back out of the thottle past a certain angle, you are actually perpetuating the blowover.

Smarty 10-30-2016 05:55 PM

5 Attachment(s)
This has no relevance to cat blow-overs, but since this thread is up with drag cars, I wonder how many guys on this site watch drag racing, Street Outlaws on Discovery, Nascar, URC Sprinters, World of Outlaws, NE Modifieds, NASCAR, Lucas Offroad Racing Series, Drag Boats, ect.. I watch all that, and the only racing and cannot get enough of it. If you could race wheel chairs, skateboards, shopping carts, I would watch

I love speed in all forms, and who is the fastest, why are they the fastest (technology, driving skill); I do not like boats (cat and or Hydro's) blowing over at high speeds and the loss of life, find the most feasible engineered solution that could be implemented, if possible, to stop or best reduce the possibility of a blowover.....


PS I like pictures in threads, I guess you can see who I like (Kinser, Force, Chief and Kye, Renezeder, Dale Sr.)

Sydwayz 10-30-2016 07:48 PM

Show me a car designed for lift, and I'll show you an airplane. :D

nocoolname37 10-30-2016 08:50 PM

i would like to hear if some sort of relief flap could be made to work. something that in case of emergency via sensor or manual deployment, it opens a hatch that relieves enough air pressure to save some boats from going over. nothing works every time, but we try. we buy cars with seat belts, crumple zones and ABS. they don't save everyone but they are the best we have in automotive safety. the concept of the hatch to relieve air pressure works in cars be it nhra or nascar. i wish there was some kind of simple safety device someone could come up with. mostly for selfish reasons i don't want boats to slow down.

nocoolname37 10-30-2016 08:51 PM


Originally Posted by Sydwayz (Post 4495946)
https://www.youtube.com/watch?v=XK3jWvNIqK4 Also: https://www.youtube.com/watch?v=oCBeOqK7ldA

1) Cars are designed with downforce to keep them on the track.
2) Catamarans are designed with lift, completely opposite.
3) Cars are not immune to blow overs, it's been happening for years; albeit rare.
4) With a car, usually you can back out of a wheelie and it comes down (albeit, sometimes the coming down is worse than staying up)...
...with a catamaran, often, when you back out of the thottle past a certain angle, you are actually perpetuating the blowover.

this driver/car also have one of my favorite videos on drag racing on youtube titled "never give up" i believe. you have probably seen it.

AZMIDLYF 10-30-2016 10:15 PM

Combo...wheelie bars gave the driver enough time to pedal it.

Rattlesnake Jake 10-31-2016 07:20 AM

I remember reading an article about a race Cat being built that was to have a flap in the front of the tunnel that would drop down if the boat started to lift too high. Wasn't that long ago.

frickstyle 10-31-2016 07:57 AM

Did you notice how the rear of the body looks to come "off" or, apart from, the chassis? Did something break or are they supposed to do that? Probably not applicable to boats, but interesting, it may have forced the front end back "down".

FOUNTAINFLY 10-31-2016 08:32 AM


Originally Posted by frickstyle (Post 4496111)
Did you notice how the rear of the body looks to come "off" or, apart from, the chassis? Did something break or are they supposed to do that? Probably not applicable to boats, but interesting, it may have forced the front end back "down".

Noticed that to. That body lift in the rear is probably what saved it. Dont know if it broke or what, but I bet they could design something into the rear body hinge that would lift up just enough to exhaust that big bubble of air. Seems like it worked great in this instance.

TxHawk 10-31-2016 09:16 AM

A large combination of luck!

SB 10-31-2016 09:18 AM

Wheelie bar length is determined by wheelbase length. I do not know the equation. I have no idea where my Chassis: Doorslammer book is. Been along time since I was 'cool,' Lol.

Crude Intentions 10-31-2016 09:26 AM

I think something else lost is this is a race car. Even if it had went all the way over the driver likely would have survived with some bumps, bruises and strains. Same as raceboats with all the safety gear and full canopies. You can find a ton of videos of almost blow overs for cats also. I'd be willing to bet everyone who has tragically passed this year were in open cockpit boats without all the safety gear of being strapped in with air and escape hatches top and bottom.

baditude 10-31-2016 08:11 PM


Originally Posted by FOUNTAINFLY (Post 4496122)
Noticed that to. That body lift in the rear is probably what saved it. Dont know if it broke or what, but I bet they could design something into the rear body hinge that would lift up just enough to exhaust that big bubble of air. Seems like it worked great in this instance.

The rear body bad sits in kinda off a c notch and has two handles on the front of the body that secure the nose to the chassis

baditude 10-31-2016 08:12 PM


Originally Posted by Rattlesnake Jake (Post 4496103)
I remember reading an article about a race Cat being built that was to have a flap in the front of the tunnel that would drop down if the boat started to lift too high. Wasn't that long ago.

Phenomenon has a adjustable wing between the sponsons

iamjoe 11-01-2016 03:58 PM


Originally Posted by nocoolname37 (Post 4495929)
there is a lesson in physics here and i bet someone is smart enough to draw a parallel between cars and boats and how to prevent blow overs. i am not that guy. https://www.facebook.com/NHRA/videos...c_ref=NEWSFEED

I'm not that guy either, but it looks like the biggest reason the car didn't go over (besides the wheelie-bars) is the burst panel lifted and vented the air. The burst panel is the part of the body that can be seen open. Its in front of the blower on the "hood".

Smarty 11-03-2016 09:50 PM


Originally Posted by nocoolname37 (Post 4495929)
there is a lesson in physics here and i bet someone is smart enough to draw a parallel between cars and boats and how to prevent blow overs. i am not that guy. https://www.facebook.com/NHRA/videos...c_ref=NEWSFEED

The replay of the Toyota Las Vegas Nationals is on the TV now, ESPN (the video you posted). That run happened and his brother Tony was one of the announcers. He was suprised that the body of the car wasn't torn from the frame, Cruz's speed at the end was 218 mph. That was some great driving, with a man who has thousands upon thousands of passes.Tony Pedregon said he has never saw a Funny car do a wheel stand like that and not blow over, that was an interesting observation.

On street Discovery's Street Outlaws, Sean aka "Murder Nova" was doing wheel stands regulary but his Nova weighs more than a funny car and is 1/2 as fast the Funny Car at the finish, and is 4.5 +/- et second 1/8 mile (660') versus a Funny car (Matt Hagan) running a 3.82 et in the 1/4 mile (1320'). So my original answer to your post was wheelie bars, but after watching that run, listening to Cruz and Tony, it really is remarkable, Cruz can drive.


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