One wheel touch and go

. ._ · Post by **. ._** » Sun May 30, 2004 3:01 pm

If you're doing a flight test and the examiner wants you to do a cross-wind touch and go, will you get dinged for only putting one wheel down?

That's what Maverick would do, I think.

-istp

cyyz · Post by **cyyz** » Sun May 30, 2004 3:04 pm

I'd be impressed...

Yoyoma · Post by **Yoyoma** » Sun May 30, 2004 3:16 pm

I usually set one wheel down, use rudder to wiggle the tail, drop the other wheel while rasing the one already down, wiggle some more and finish with full afterburners...

That's what Charlie Sean would do in Hot Shots...

KAG · Post by **KAG** » Tue Jun 01, 2004 10:13 pm

I used to teach soft field touch and goes where you didn't let the nose touch....

oldtimer · Post by **oldtimer** » Tue Jun 01, 2004 10:26 pm

K A G That is not a touch and go - that is a hit and run. It has been so long since I was in a small single that I cannot remember. How hard is it to keep everthing under control while doing the FATS check. I know that with the Metro or King air, we always get into Beta and slowed down so that we don't end up in the pucker brush. I have developed a distinct dislike for touch and goes unless it is recurrent with an experienced crew.

KAG · Post by **KAG** » Tue Jun 01, 2004 10:32 pm

Yeah, I'm not a fan of touch and go's in any retractable gear for abvious reasons.
As for single engines, man we could get those little cherokee's on so sweet, hold the nose off, retract the flaps, add power and go without a hitch....just had to remember to add power smothly and apply forward pressure so not to hit tail.
I'm sure it can be done in a 200, but I haven't tried.

ahramin · Post by **ahramin** » Tue Jun 01, 2004 10:33 pm

FATS check? Elucidate please.

KAG · Post by **KAG** » Tue Jun 01, 2004 10:35 pm

Flaps, airbreaks, trims, switches.

hz2p · Post by **hz2p** » Wed Jun 02, 2004 6:06 am

What?! There's something that ahramin doesn't know?

Say it isn't so! Somebody please wake me up, I must be having a nightmare

ahramin · Post by **ahramin** » Wed Jun 02, 2004 10:34 am

Just trying to cut down on predictability. Glad i managed to surprise you.

Now it's your turn to surprise us.

Show us that you know something.

hz2p · Post by **hz2p** » Wed Jun 02, 2004 12:14 pm

Ah, but does anybody really KNOW anything, for sure? I mean, there are relative truths, for any given context, but are there really any absolute Truths, with a capital "T"?

"Look out Mav, he's going metaphysical!", says Goose.

Hm. Let's try again.

Everybody knows that the stall speed at a given weight w which is less than the maximum gross weight W is given by the following formula:

Vs(w) = sqrt(w/W) x Vs(W)

But who can derive it from first principles? Who, dare we ask?

Well, it's "Hurts To Pee" to the rescue!

We know from the lift equation that lift is proportional to the coefficient of lift times velocity squared. There's a constant in there (density of air, fudge factor to make the units work out) so we thus know that:

L = k Cl V^^2 and ell = k Cl v^^2

where, at stall at max gross, L is the lift and V is the velocity, and for stall at less than max gross, ell is the lift and v is the velocity.

But wait. A wing always stalls at the same angle of attack - Cl (coefficient of lift) is the same in both of the above. So if we make a big K:

K = kCl

we can substitute and get

L = K V^^2 and ell = K v^^2

But in level flight, we know lift equals weight. Therefore we know that L = W and ell = w, where W is the max gross weight and w is the current weight. Substitute:

W = K V^^2 and w = K v^^2

Rearrange the left-hand equation, solving for K:

K = W / V^^2

substitute K into right-hand equation:

w = W / V^^2 x v^^2

Isolate v^^2 on the right side:

V^^2 x w/W = v^^2

take the square root of both sides:

v = sqrt(w/W) V

and there you go.

But what would I know. I'm just an ignorant idiot that doesn't "know" anything, according to a sarcastic taxi-driving *sshole like you

cyyz · Post by **cyyz** » Wed Jun 02, 2004 12:45 pm

d-(^.^)-b

Tango01 · Post by **Tango01** » Sun Aug 01, 2004 10:08 am

Yoyoma wrote:I usually set one wheel down, use rudder to wiggle the tail, drop the other wheel while rasing the one already down, wiggle some more and finish with full afterburners...

That's what Charlie Sean would do in Hot Shots...

LOL

Ronly · Post by **Ronly** » Sun Aug 01, 2004 12:00 pm

After consulting with my CFI who happens to be a DFTE the one wheel t&g would not be clasified as a landing. The hit and run is the best call for this manuver. Once the main gear are firmly on the ground the nose wheel should be lowered smoothly and slowly as the plane slows down. The main wheel t&gs we do in training are only for effect and to get the students profficient at cotrolling pitch attitudes and directional controll on the runway. It is not a complete landing untill all the wheels are on the ground and the aircraft is being manuvered below the speed required for flight.

Nordo · Post by **Nordo** » Sun Aug 01, 2004 12:30 pm

So if I fly into YYC with a student for a touch and go, and only put one wheel down (or maybe even two), will I still get charged for landing fees???

LT · Post by LT » Sun Aug 01, 2004 4:37 pm

Yes, you'd get charged the landing fee.

But your currency will lapse as well..

Double standards..

TC would call it a no "landing"

But the authority will call it a "touch" you "touched" their premises so you pay the fee.. You might get away with it with a good lawyer, and they might have to re-phrase the "landing fee," is that what it's really called??

Cat Driver · Post by **Cat Driver** » Mon Aug 02, 2004 2:55 am

I teach one wheel touch and goes repetative left hand circuit and right hand circuit with maximum of one minute from touch and go to touch and go.

I'm sort of dumb but my feeling is if they can smoothly and constantly demonstrate that level of skill they will in all probability be capable of figuring out how to get the other wheels on the ground when the time to do a full stop landing comes....

Then again I do not really meet the standards set out by TC and my colleauges in the teaching business...

Oh well I'll just slink away from the airplane and hide my embarassement for not reaching the level of knowledge and skills required to " really " be a pilot. Wave

Cat

Zlin142 · Post by **Zlin142** » Mon Apr 09, 2007 10:51 am

hello

Airtids · Post by **Airtids** » Mon Apr 09, 2007 10:59 am

Fear not. You will not be asked to do a T&G on a flight test. PEs are specifically requested by TC to NOT conduct T&G landings. If you are asked, and blow it, you will have a great case for a review. My personal opinion is that the landing is not complete until the machine has come to a complete stop, or exited the runway, preferably onto a taxiway.

Vector2ILS · Post by **Vector2ILS** » Mon Apr 09, 2007 11:08 am

Yeah, I am pretty sure during the flight test you will do a full stop landing and exit the runway where possible, before going again.

l_reason · Post by **l_reason** » Mon Apr 09, 2007 2:23 pm

Here is a video I made back in the fall of me doing some fun stuff. At the end of the video there are a couple one wheel T&G. A one wheel T&G should be part of the CPL flight test!

http://www.youtube.com/watch?v=DvucXMFdhFs

Blakey · Post by **Blakey** » Mon Apr 09, 2007 7:48 pm

istp wrote:If you're doing a flight test and the examiner wants you to do a cross-wind touch and go, will you get dinged for only putting one wheel down?

That's what Maverick would do, I think.

-istp

Yes, if it's the nose wheel!

. ._ · Post by **. ._** » Mon Apr 09, 2007 9:40 pm

Man, this thread is an oldie!

Incidentally, I have done a nose wheel only touch and go.

I thought the landing was going crappy, and as I gave her full power to overshoot, I felt something funny with the plane as I eased back on the stick. Climbing out I asked, "What was that? Was that the nose wheel touching?" The instructor said, "Yep. Never seen that before."

Would have been really cool on a flight test.

-istp

ski_bum · Post by **ski_bum** » Mon Apr 09, 2007 10:24 pm

Another fun one is the one wheel touch n go's, but alternate the wheels, from right main to left main etc. Works great on a calm day with a fair length of runway. If a student can show you that they could land in any crosswind.

Cat Driver · Post by **Cat Driver** » Tue Apr 10, 2007 8:07 am

" Another fun one is the one wheel touch n go's, but alternate the wheels, from right main to left main etc. Works great on a calm day with a fair length of runway. If a student can show you that they could land in any crosswind. "

This should be part of every PPL training.

Don't tell me it is considered something exotic?

One wheel touch and go

One wheel touch and go

one wheel t&g

Re: One wheel touch and go