Doing a roll with a 150?
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- C-150Pilot
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Doing a roll with a 150?
Is it possible to do a slow roll with a Cessna 150... I remember seeing a video of a Cessna 172 doing a slow roll...
Fly it until the last piece stops moving
"I give your landing a 9...on the Richter scale."
"I give your landing a 9...on the Richter scale."
Yep it's possible. But if you are just a student it's probably not a good idea to try until someone has shown you how to do it. Go take an aero course. I think BFC has one on an 150 aerobat.
It's better to break ground and head into the wind than to break wind and head into the ground.
- C-150Pilot
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It is illegal to roll an aircraft which is not certified in the aerobatic category. Dunno about homebuilts, don't care much.
For someone that knows what they're doing, from a purely physics standpoint, a ballistic aka aileron (NOT snap, barrel or slow) roll is very gentle - about +2G on the pullup, +0.5G over the top, and about +1.5G in the pullout. About the same stress as a 60 degree banked turn.
Bob Hoover used to roll a piston twin at airshows. Tex Johnson rolled the 367-80 (think B707) at 1500 feet. Twice.
If you don't know what you're doing, you'll probably kill yourself, or at least overstress the aircraft, and kill the next guy who rents it. Can you say, Split-S? I knew you could ....
P.S. Without inverted systems, you cannot fly a technically correct "slow" roll, which has nothing to do with the rate of roll, btw, and everything to do with the orientation of the longitudinal axis.
But keep in mind I'm a moron that knows nothing - I'm read the scriptures tonight to see what I've missed.
For someone that knows what they're doing, from a purely physics standpoint, a ballistic aka aileron (NOT snap, barrel or slow) roll is very gentle - about +2G on the pullup, +0.5G over the top, and about +1.5G in the pullout. About the same stress as a 60 degree banked turn.
Bob Hoover used to roll a piston twin at airshows. Tex Johnson rolled the 367-80 (think B707) at 1500 feet. Twice.
If you don't know what you're doing, you'll probably kill yourself, or at least overstress the aircraft, and kill the next guy who rents it. Can you say, Split-S? I knew you could ....
P.S. Without inverted systems, you cannot fly a technically correct "slow" roll, which has nothing to do with the rate of roll, btw, and everything to do with the orientation of the longitudinal axis.
But keep in mind I'm a moron that knows nothing - I'm read the scriptures tonight to see what I've missed.
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Flickervertigo
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Any fixed-wing aircraft - except those new-fangled fly-by-wire ones, which are software-limited to 59 degrees of bank - can be quite easily rolled by an experienced aerobatic pilot.
It's not rocket science. Pitch up, neutralize, then full aileron deflection until it's blue at the top again. Maintain slight positive G while inverted.
Ever seen the trick with the bucket full of water with the string, that's swung in a vertical circle? The aircraft, like the bucket, does not have eyeballs and cannot tell if it's upside down or not.
The rate of roll will determine the degrees of pitch up. The slower the roll rate, the more degrees pitch up you need. The more degrees pitch up you use, and the lower-powered the aircraft, the faster your entry speed because you need convert kinetic energy at the beginning to potential energy (height) at the top without running out of airspeed over the top.
This really isn't very complicated, but is a great mystery to 99.9999999% of all pilots, who have been taught that aerobatics is something dangerous and unnatural. Heck, no one can even do a decent wingover or chandelle any more, it seems, and they're as gentle as a cow.
It's not rocket science. Pitch up, neutralize, then full aileron deflection until it's blue at the top again. Maintain slight positive G while inverted.
Ever seen the trick with the bucket full of water with the string, that's swung in a vertical circle? The aircraft, like the bucket, does not have eyeballs and cannot tell if it's upside down or not.
The rate of roll will determine the degrees of pitch up. The slower the roll rate, the more degrees pitch up you need. The more degrees pitch up you use, and the lower-powered the aircraft, the faster your entry speed because you need convert kinetic energy at the beginning to potential energy (height) at the top without running out of airspeed over the top.
This really isn't very complicated, but is a great mystery to 99.9999999% of all pilots, who have been taught that aerobatics is something dangerous and unnatural. Heck, no one can even do a decent wingover or chandelle any more, it seems, and they're as gentle as a cow.
- Cat Driver
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The answer to the origional question as far as I'm concerned is as follows..
A Cessna 150 is not approved for rolls period.
I own two 150's one is A150M the A stands for Aerobat, it is approved for rolls among other manouvers.
I wouldn't even consider rolling the C150M, because it is not approved for aerobatic manouvers.
Cat
A Cessna 150 is not approved for rolls period.
I own two 150's one is A150M the A stands for Aerobat, it is approved for rolls among other manouvers.
I wouldn't even consider rolling the C150M, because it is not approved for aerobatic manouvers.
Cat
The hardest thing about flying is knowing when to say no
After over a half a century of flying no one ever died because of my decision not to fly.
After over a half a century of flying no one ever died because of my decision not to fly.
- Jaques Strappe
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I used to teach aerobatics at the BFC about 20 years ago. Most people make the mistake of letting the nose drop and building too much speed coming out of the roll. This is what will hurt you and the aircraft.
If you want to impress your friends, a snap roll is actually safer. It is just a spin in the horizontal axix instead of verticle, plus it is way more fun without the risk of a spiral dive getting out of control. ( having said that, spend the 100 bucks and have someone show you )
If you park a c150 next to an aerobat, look at the tail assemblies. The aerobat has twice as many rivets holding it together. The wing spar and struts are also beefed up but you can't see this difference.
If you want to impress your friends, a snap roll is actually safer. It is just a spin in the horizontal axix instead of verticle, plus it is way more fun without the risk of a spiral dive getting out of control. ( having said that, spend the 100 bucks and have someone show you )
If you park a c150 next to an aerobat, look at the tail assemblies. The aerobat has twice as many rivets holding it together. The wing spar and struts are also beefed up but you can't see this difference.
Last edited by Jaques Strappe on Fri Feb 25, 2005 6:15 pm, edited 1 time in total.
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- Cat Driver
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paq :
You are either an idiot with a pilots license or an idiot that knows zero about flying.
Anyone who posts such unprofessional garbage deserves to have their license suspended if in fact what you are claiming is true.
Cat
You are either an idiot with a pilots license or an idiot that knows zero about flying.
Anyone who posts such unprofessional garbage deserves to have their license suspended if in fact what you are claiming is true.
Cat
The hardest thing about flying is knowing when to say no
After over a half a century of flying no one ever died because of my decision not to fly.
After over a half a century of flying no one ever died because of my decision not to fly.
I tried doing a roll in a family member's 150 shortly after I got my CPL. Luckily I was high enough because I think I ended up doing a split S and was pointed straight at the ground and nearly hit the redline. Be careful. Know what you're doing up there!! If I was lower I would have made a nice splat in someones cornfield.
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shitdisturber
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Don't wanna be doing that, everybody will call you a cornholer.Inverted2 wrote:I tried doing a roll in a family member's 150 shortly after I got my CPL. Luckily I was high enough because I think I ended up doing a split S and was pointed straight at the ground and nearly hit the redline. Be careful. Know what you're doing up there!! If I was lower I would have made a nice splat in someones cornfield.
Bridge burntsanjet wrote:paq, I hope you didn't fly any of my airplanes...
"FLY THE AIRPLANE"!
http://www.youtube.com/hazatude
http://www.youtube.com/hazatude
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therubberjungle
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co-joe,
I skipped most of this thread but your posting caught my attention.
Contrast the "media-tour" 707 captain's experience vs your average guy in a buck-fifty-bug-smasher. He knew EXACTLY what he was doing, had the Boeing engineers to back him up. John Q. Public in a C150 might luck-out a time or two but the odds are against him.
I've seen a C152 Aerobat put through its paces by a skilled instructor (bummed a ride as he was practicing for a DOT recurrent). Amazing in the right hands, in the right airplane.
Think about this: the 150 might slow roll real purdy-like, but what about the next sap who flies it? Maybe the wings decide to fold of for him... Preaching, I know, but it's kept me from doing intentionally stupid things in planes.
Cheers
I skipped most of this thread but your posting caught my attention.
Contrast the "media-tour" 707 captain's experience vs your average guy in a buck-fifty-bug-smasher. He knew EXACTLY what he was doing, had the Boeing engineers to back him up. John Q. Public in a C150 might luck-out a time or two but the odds are against him.
I've seen a C152 Aerobat put through its paces by a skilled instructor (bummed a ride as he was practicing for a DOT recurrent). Amazing in the right hands, in the right airplane.
Think about this: the 150 might slow roll real purdy-like, but what about the next sap who flies it? Maybe the wings decide to fold of for him... Preaching, I know, but it's kept me from doing intentionally stupid things in planes.
Cheers
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No Conflict
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I knew a guy who tried to roll a S1-34 glider, which I believe is aerobatic. He ended up inverted and pulling out exceeding the G limits. The next guy hopped in and while being towed noticed that the rivets holding the skin to the main spar were pulled out from the route to half span or so.



