Digital cameras

[Don Mannino]

Jim.

The recent Kawai digital films have still been done with high speed
film, not with digital cameras.  Digital CCDs are still very slow
compared to the special films.  13,500 frames per second is still beyond
digital, as far as I know.

Don Mannino

> -----Original Message-----
> From: Jim Busby [mailto:jim_busby@byu.edu] 
> Sent: Thursday, October 30, 2003 4:37 PM
> To: College and University Technicians
> Subject: RE: Pinning and Tone/ Digital cameras
> 
> 
> Ric & list,
> 
> This month's issue of the journal talks about this very 
> thing. (Do you get it in Norway as soon as we do?)One comment 
> suggests that the rocking test may not touch the backcheck 
> like an actual blow. It may be difficult to approximate how 
> hard the rocking test should be to approach what a ff blow 
> really does...
> 
> New Topic
> 
> Does anyone know how this fast camera thing (i.e. the films 
> that show how the action works) is affected by the digital 
> craze? Do amateurs with digital recorders have this capability?
> 
> BTW, I think Rick Florence is the one with the films, after 
> thinking about it. (Kimball films Rick??) I think Richard 
> Davenport just commented on it. I'm not sure.
> 
> 
> Jim Busby BYU
> 
> 
> The more I learn, the less I know for sure. (Carl Teel)
> 
> 
> -----Original Message-----
> From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On 
> Behalf Of Richard Brekne
> Sent: Wednesday, October 29, 2003 4:43 AM
> To: College and University Technicians
> Subject: Re: Pinning and Tone
> 
> Hi Jim and Alan
> 
> Of course this last bit from Richard Davenport is the << 
> other >> way in which power can be taken from play. Most of 
> us are taught to check this by holding a little downward 
> pressure on hammers and forceing them upwards with the key. 
> That simulates a hard blow fairly well and any dragging 
> upwards by the tail on the check is to be avoided.
> 
> If you are really pushing your back check height in order to 
> get as much out of repetition as you can, then its easy 
> enough to get a bit of tail drag without really noticing it 
> either in very hard play or in testing as above. In anycase, 
> any drag will affect power negatively, and should be avoided.
> 
> You could be tempted to simply regulating backchecks so that 
> they are all just free of drag for a given downwards pressure 
> on the hammer. But that yeilds fairly uneven backcheck 
> height, and that in turn yeilds an uneven element to 
> repetition. I think in practice... nearly every one regulates 
> such that on some notes there is just a very small amount of 
> drag on very heavy blows... which is probably Richard 
> Davenports observation.
> 
> I'd like to see his films as well. These days all those can 
> be packed down into fairly small Mpeg or AVI files and used 
> in Powerpoint presentations.... which can be burnt on CD or 
> DVD disks... and with todays net speeds put out for download 
> on the net.... perhaps an idea for some.... :)
> 
> Cheers
> 
> And thanks for the good info from R.Davenport Jim
> 
> RicB
> 
> 
> > Jim Busby wrote:
> > 
> > I need to clarify that Richard Davenport says it engages 
> slightly when 
> > the backcheck is close (high checking) on hard blows. As I 
> understand 
> > it if it is regulated that close the tail may skim the surface on a 
> > hard blow because of shank flex. Could be. I'd like to see his 
> > presentation and those films.
> > 
> > .... and    
> > Alan,
> >  
> > 
> > According to Richard Davenport the backcheck does slightly 
> involve the 
> > tail if you look at those high speed tapes of it. I'd like 
> to see it, 
> > but he says that higher checking does result in less power 
> as Richard 
> > said, and Ric. clarified for me.  As Ric said, more drop = 
> slower rep, 
> > and higher checking = (slightly) less power. I agree.
> > 
> >  
> >
> 
> -- 
> Richard Brekne
> RPT, N.P.T.F.
> UiB, Bergen, Norway
> mailto:rbrekne@broadpark.no 
> http://home.broadpark.no/> ~rbrekne/ricmain.html
> 
http://www.hf.uib.no/grieg/personer/cv_RB.html
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