These guys are nutz!! (pics)

Dave Abrahamson

Dave Abrahamson

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Hope no one sneezes! Sure wouldn't take much to snag a wheel and nose over real quick-like. REAL light touch on the stick! :eek: :eek: <br /><br />
T-6.jpg
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T6.jpg
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t_6.jpg
 
J

JRJ

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Re: These guys are nutz!! (pics)

Its all fun and games until a fish jumps :eek:
 
Reel Poor

Reel Poor

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Re: These guys are nutz!! (pics)

I wonder how they handle a boat wake?? :eek:
 
JB

JB

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Re: These guys are nutz!! (pics)

What are they trolling for? I don't see any rods.
 
B

bootle

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Re: These guys are nutz!! (pics)

What type of aircraft are they?
 
Dave Abrahamson

Dave Abrahamson

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Re: These guys are nutz!! (pics)

They are North American AT-6 Texans. AT for advanced trainer. The Navy called them SNJ's. In Canada they were designated Harvards.
 
Dave Abrahamson

Dave Abrahamson

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Re: These guys are nutz!! (pics)

Just seeing them do it is one thing...to do it in formation....... :eek: :eek: WOW
 
H

HT32BSX115

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Re: These guys are nutz!! (pics)

Any large wake wouldn't be good!<br /><br /><br />Actually you can "press" pretty hard on the water with the tires. With enough speed the water "presses" back with quite a lot of force(upward and of course, some drag which is somewhat negated by tire spin). It's similar to Hydroplaning on a flooded runway....above a certain speed (that's related to tire pressure) the plane is lifted completely off the pavement.<br /><br />The minimum speed required for total hydroplaning to occur is 9 times the square-root of the tire pressure.<br /><br />So if you have an airplane with say, 100 psi main tires the speed (min) would be about 90 knots.<br /><br />Those T-6's are going a bit faster than that!<br /><br />The T-6 has pretty big tires.... AT-6/SNJ main tire pressures were less than 40psi so it wouldn't take much speed to be well above the total hydroplaning speed.<br /><br /><br />All that said....I still wouldn't do it with a $200,000+ airplane! (someone would probably send a picture directly to the insurance company!)<br /><br /><br />Cheers, <br /><br />Rick<br /><br /><br />
Originally posted by Reel Poor:<br /> I wonder how they handle a boat wake?? :eek:
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D

dogsdad

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Re: These guys are nutz!! (pics)

HT32BSX115...interesting!<br /><br />Doesn't the size of the tires matter? It seems like tires with a larger footprint would hydroplane more readily. Is that formula supposed to work for automotive applications too? If so, I would assume that driving much faster than about 50 mph on a well-drenched highway is flirting with disaster!
 
CN Spots

CN Spots

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Re: These guys are nutz!! (pics)

Aaaaa! Math! Run away!<br /><br />So is that why its called "on plane"? :D :p <br /><br /><br />spots
 
H

HT32BSX115

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Re: These guys are nutz!! (pics)

Funny....they always told me that size matters....<br /><br /><br />It really doesn't matter what size the tire is. It's pretty much dependent on pressure and speed.<br />(If you think about it, a very wide large tire will require much lower pressure resulting in a much lower speed to produce hydroplaning...so I guess size does matter)<br /><br />You'll probably notice that most roads are "crowned" so they drain well....but if there's standing water you'll get hydroplaning at about 50-60 mph in most cars. (36 psi) ---> 9* SQRT(36)= 9*6=54mph<br /><br />According to NASA it can happen in as little as 0.1" water.<br /><br />Here's about as good an explanation of different types of hydroplaning I've seen.<br /><br /><br /> http://www.mountainflying.com/hydroplane.htm <br /><br />There's a lot of info out there including a complete discussion I found on fluid dynamics and how it relates to Dynamic Hydroplaning. <br /><br />I think I'd rather go boating!<br /><br /><br />Regards, <br /><br />Rick<br /><br /><br />
Originally posted by dogsdad:<br /> HT32BSX115...interesting!<br /><br />Doesn't the size of the tires matter? It seems like tires with a larger footprint would hydroplane more readily. Is that formula supposed to work for automotive applications too? If so, I would assume that driving much faster than about 50 mph on a well-drenched highway is flirting with disaster!
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A

Andrew Leigh

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Jun 17, 2003
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Re: These guys are nutz!! (pics)

Those are South African boys. Have seen them fly before but not doing that. Here we also call them Harvards.
 
B

brother chris

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Re: These guys are nutz!! (pics)

I've never seen anything like that before. <br />Truly skillful!
 
Kiwi Phil

Kiwi Phil

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Re: These guys are nutz!! (pics)

The Kiwi Air Force had them years back too. Called Harvards.<br />They also converted them to Crop Dusters. I saw one many moons ago, at Waipukurau airstrip. Pilot down the back, hopper between him and the engine.<br />Cheers<br />Phillip
 
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