[tcb] Re: my horns broken
- From: Brian Denning <i_am_cool_fred@xxxxxxxxxxx>
- To: <tcb@xxxxxxxxxxxxx>
- Date: Sat, 16 Feb 2008 07:33:14 -0600
in ya'll's mathematical theory were you considering how fast the vehicle was
traveling? and if denis was coming from springdale traveling 55 (cause he is in
a split with electrical problems) and i am coming from benton doing 65 (cause
bays are better) could he hear me honk just before we collided and what would
the collision speed be
it's a damn horn, that is the only point i was making> From:
treyjung@xxxxxxxxxxx> To: tcb@xxxxxxxxxxxxx> Subject: [tcb] Re: my horns
broken> Date: Fri, 15 Feb 2008 16:28:05 -0600> > If I remember my math for
every doubling of distance (say 3 feet to 6 feet > and 6 feet to 12 feet) db
level drops 3 db .....A 3 db drop in sound > pressure is 1/2 as loud ....> >
soooooo...> > 110 db at 3 feet is 107 db, at 6 feet 104 db and at 12 feet 101
db .... > then you have to add a doubling of power to maintain db levels so in
the > below example if the train horn was being driven at 100 watts to get 110
db > at 3 feet you'll need 200 watts to get the 110 db level at 6 feet ....> >
Trey> > > > > ----- Original Message ----- > From: "Gerald V. Livingston II"
<gerald.tcb@xxxxxxxxxxxxx>> To: <tcb@xxxxxxxxxxxxx>> Sent: Friday, February 15,
2008 1:43 PM> Subject: [tcb] Re: my horns broken> > > > The longest horn in
that group is 16". Those aren't train horns. A train> > horn is about 4 feet
long.> >> > Also, 152 decibels. Measured where? Inside the bell? The sound
level will> > drop off quickly coming out of a small horn.> >> > Locomotive
horns are limited to 96 - 110 decibels at 100 feet in front of> > the train.
The horn opening is over 12" in diameter so 110 decibels inside> > the bell is
probably still very close to 110 decibels at 100 feet. With > > the> > 3 or 4
inch horn opening on those car horns 152 decibels inside the horn > > is> >
probably under 80 by the time you get to 100 feet. Possibly even legal.> > Most
air horns for cars that I see advertised claim 118 decibels which> > would
still be "louder" than a train horn. No way they are measuring at > > 100> >
feet like the rail laws require.> >> > Yes, bored but too busy to get any
substantial work done. Took me 40> > minutes to write this between phone
calls.> >> > G2> >> > On Fri, 15 Feb 2008 12:54:37 -0600 Brian Denning> >
<i_am_cool_fred@xxxxxxxxxxx> wrote:> >> >>> >> only if you "use" it> >> i live
next to some train tracks too....aw man that would be fun> >>> >> Date: Fri, 15
Feb 2008 10:48:57 -0800> >> From: mechmark@xxxxxxxxxxxxx> >> Subject: [tcb] Re:
my horns broken> >> To: tcb@xxxxxxxxxxxxx> >>> >> Those are just "Slightly"
illegal!> >>> >> Brian Denning <i_am_cool_fred@xxxxxxxxxxx> wrote: how about
one of > >> these?> >>> >> http://209.61.145.93/category_s/70.htm> >>> >> that
will really get the attention of the folks that pull out in front of > >> me>
>>> >> Climb to the top of the charts! Play the word scramble challenge with >
>> star power. Play now!> >> >> >> >> >> > -- > > No virus found in this
incoming message.> > Checked by AVG Free Edition.> > Version: 7.5.516 / Virus
Database: 269.20.6/1280 - Release Date: 2/15/2008 > > 9:00 AM> >> > > >
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