Tried to shoot 60 FPS for slow motion, but ...

I have a DVCPro HD clip, 720P, 59.94 frames per second. I was hoping to get a medium slow-motion effect in FCP. So I imported it and put it in a 23.97 frames per second sequence. It shows at regular speed. Hmmm...
I looked at the clip in the Viewer. I found a part of the action that lasts one second, and I counted 60 frames for that second. But in the Sequence, that same action shows only 24 frames.
Then I got a brilliant idea! I used Modify - Speed to slow it down to 40%. I hoped I would see all 60 frames of that one-second bit of action. But instead of showing all 60 frames, FCP uses only about 24 frames, and copies each frame once or twice to stretch out the action. So the action looks jumpy instead of smooth.
A friend last last month shot something with the Panasonic HVX200 at DVCProHD 59.54 FPS, and he got a smooth slow motion effect in FCP. But he moved out and isn't answering his phone.
Any suggestions would be greatly appreciated!

I owe everyone an apology, because I gave the wrong information about the video file. As you will recall, I was frustrated that it appeared to play at only 23.97 frames per second in Final Cut Pro, even though I thought I had shot it at 60 fps. Yesterday I discovered why it appeared to play at a different frame rate, but the reason was so bizarre, so unbelievable, that I began to doubt my own sanity.
Friends, the video clip changes frame rate in the middle! Yes, it does. You see, I had been looking at a portion of the shot with the lower frame rate; later in the same shot, the frame rate increased to 60 fps. You may ask, how is this possible? I do not know. I only know that I shot it with the little Sanyo HD1000 camcorder, which records as AVCHD (h.264), and the clip changed to a slower frame rate when the shot got darker, then back to 60 fps when the shot got brighter. Apparently the camcorder reacted to the lack of light by decreasing the frame rate, in order to have time to gather more light for each frame.

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Message was edited by: andynick

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Steve, regarding my request getting inside flag and changing shutter speed etc..
I have to admit right off that I don't understand this myself as I should...and I don't have a motion pic camera OR the DSLR ....which I can get in April ...at which time I will be off to the races trying to figure out how to use it.
But the gist of what I was getting at ( though hazy and not understood by me ) I'll try to explain...
Motion pic film cameras with the mechanical gizmo that pulls down the film ( frame by frame ) have a rotating shutter ( the gizmo is typically called a mitchel movement I think ). The rotating shutter has a mirro on the back side which allows a person to 'see' via some magic stuff ( prism ? ) what is in the frame ( eyepiece ). I guess it's similar to a SLR mirror but this one spins.
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Unfortunately if the FPS is increased the 180 degree shutter may not be letting in enough light to get a good exposure anymore... so that shutter can be adjusted ( called the shutter angle ).
So a 45 degree shutter would let a lot more light hit the film ...cause it lets more light through its rotation time. This is the part where I can totally confused....and hopefully I'll learn more when I get the DSLR how this is handled with modern digital camera.
Cause, if you let more light hit the film by adjusting film motion pic shutter it stands to reason there will more " blur " from the longer exposure. However, this is offset by the faster FPS speed... so this is why I am curious about it...
As a point of fact motion pic cameras can be synchd to CRT screens using a mechanism that times the shutter to coincide with the horizontal 'lines' of the CRT ( timing of frames of interlaced signal )... and the shutter has many 'angles' it can be adjusted to ..
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Step 1: Convert to ProRes. Log and Transfer, MPEG STREAMCLIP, Magic Bullet Grinder...whatever. Make it ProRes.
Step 2: Duplicate the clip if you want to also have it normal speed, because Step 3 is not undoable.
Step 3: Take into Cinema Tools and CONFORM to the frame rate you want. 29.97, 23.98...whatever the rest of the project is. This conform is permanent. It takes seconds, but is undoable. Thus what you did in Step 2.
TUTORIAL!
SMOOTH SLOW MOTION FROM 60P USING CINEMA TOOLS
http://library.creativecow.net/ross_shane/slow-motion_cinema-tools/1

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Right-clicking on a clip and adjusting time is not good. I have tried sending to Motion and adjusting the timing there but it softens the image.
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I'm late to the party but somehow I ended up here. I'm reteaching myself this now. I remember Captain Mench had a solution for this on the ProVideoCoalition site at one point for taking 60i footage and conforming to 24p using Shake. The key element was Optical Flow, Motion uses OF as you know. But I've just been doing a bunch of tests all night with some 60p (59.94) that we shot last week. The CrumplePop tut is the one I've been following for Motion 4 and some random youtube stuff using Time Warp for AE tests. The consensus seems to be each technique, including Twixtor, has limitations depending on the footage. AE better in one instance, Motion/Shake/Boris Red in another, Twixtor generally better than everything but still with flaws. Let alone the other factors like did you shoot 60p to begin with? Was the shutter 1/60 or 1/1600? Other great tidbits like this slomo conversion chart and this other Motion tut, 3 steps and bang! I gotta go to sleep, hope this helps.
Forgot this guy, of course he has some great tips from his friend on using Twixtor.

Tried to shoot 60 FPS for slow motion, but ...

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