Helo,
Here are the first field experience with mkh 30/30 with two lyers of lycra =
as wind protection. A day with strong wind, the microphones in the shore at=
50 cm above the ground behind rocks for better protection.
http://soundcloud.com/freitojos/121022t1600z-beringel-blumlein
Jos=E9
--- In Peter Shute <> wrote:
>
> Just for interest, this is a recording I made with the microphone on the =
roof of the car to test the wind shield:
> http://soundcloud.com/petershute/wind-shield-test-on-car
>
> Peter Shute
>
> > -----Original Message-----
> > From:
> > On Behalf Of Peter Shute
> > Sent: Tuesday, 16 October 2012 7:49 AM
> > To:
> > Subject: RE: [Nature Recordists] DIY suspenssion and wind
> > protection for mkh 30/30
> >
> >
> >
> > > > I tried the moving car method myself, but the road and
> > engine noise
> > > > was so high that I wasn't sure how well the shield was working.
> > >
> > > Peter,
> > >
> > > It's best if you hang it out of a roof opening and get someone else
> > > (preferably) to coast at 10 to 30 MPH. I once tracked a
> > South African
> > > Railways Class 25 condensing loco with an MKH 816 on a bush
> > road at 90
> > > MPH and got the full loco noises including the steam condenser fans
> > > and a burst of the whistle from the driver.
> >
> > I mounted my home made SASS on the roof of the car because I
> > didn't have a willing assistant, and our car is manual, so
> > hand holding was out because I wouldn't be able to steer and
> > change gears. I thumped on the roof each time I increased the
> > speed by 10kmph, so I'd have a reference on the recording. I
> > didn't have time for multiple runs, but I think next time I'd
> > get it into a higher gear so the engine's quieter, and
> > perhaps find a smoother road.
> >
> > I'll try and find the recording and post it for comment.
> >
> > > > By my calculations, a 1m long arm rotating at 1 rev per
> > > second should
> > > > simulate a wind of about 6m/second.
> > >
> > > Yes, if you don't fall over dizzy. :-)
> >
> > Good point. I was thinking of a tripod mounted, balanced arm,
> > perhaps driven by rope coiled around it. It would have to be
> > very well balanced to achieve 1 rev per second without it
> > falling over.
>
|