Re: harvey butchart routes (Green & Ohlman ???)
Thank you. I will keep my eye out for it, but I don't think it likely to find in North Carolina. Ken > Go to this link at Amazon: > >...
Ken 2011-02-26 16:16:07 #64352

Re: Road Conditions to South Bass Trailhead
When we went in October 2010, the road was in excellent shape; any passenger car would have been fine. Even on our return drive, after a night of fairly...
John 2011-02-26 12:38:43 #64351

Road Conditions to South Bass Trailhead
Hi all. I've got a Royal Arch trip planned for next month (4/15). Does anyone have information on the general condition of the road out there? Last year it...
nealocallaghan 2011-02-26 10:10:06 #64350

Re: Trip leader change
We want to thank you for the prayers and the info. We are waiting to here how the second opion went yesterday. She is only 57 this year. Thanks Roy and...
Roy 2011-02-26 07:31:03 #64349

Re: New aerial photos show interesting views of canyon buttes and te
Sound is not so simple. Sound dampening or attenuation is the reduction of overpressure force. As frequency reduces, so does attenuation rate over distance....
oldehakataihobo 2011-02-26 06:48:01 #64348

Re: New aerial photos show interesting views of canyon buttes and te
Talk about swaying the voters here. Of course the pictures are great! If the aircraft had no sound, they could fly all they wanted! Those are some great...
JoshC 2011-02-25 19:21:34 #64347

Re: New aerial photos show interesting views of canyon buttes and te
I used to be an Air Force Instructor Pilot. We would make all our supersonic runs at 50,000' right over towns and cites. They never heard a thing. I don't...
richard2425848 2011-02-25 18:55:17 #64346

Re: New aerial photos show interesting views of canyon buttes and te
I believe that sound amplitude increases/decreases by the square of the distance. So if a plane doubles its altitude, the sound on the ground will be...
Daniel Fox 2011-02-25 18:10:57 #64345

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