X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.12.137.3] (HELO imo-m22.mail.aol.com) by logan.com (CommuniGate Pro SMTP 5.1c.3) with ESMTP id 1353864 for flyrotary@lancaironline.net; Tue, 29 Aug 2006 00:51:16 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.3; envelope-from=WRJJRS@aol.com Received: from WRJJRS@aol.com by imo-m22.mx.aol.com (mail_out_v38_r7.6.) id q.2d3.d65b922 (32915) for ; Tue, 29 Aug 2006 00:50:28 -0400 (EDT) From: WRJJRS@aol.com Message-ID: <2d3.d65b922.32252194@aol.com> Date: Tue, 29 Aug 2006 00:50:28 EDT Subject: Re: [FlyRotary] Re: OT: Gardenhose as level To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1156827028" X-Mailer: 9.0 SE for Windows sub 5032 X-Spam-Flag: NO -------------------------------1156827028 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 8/28/2006 9:33:07 PM Pacific Standard Time, hjjohnson@sasktel.net writes: Good to know guy's. The main reason I asked was my father and I used a laser level [ his new gaget of the week at the time] to check the level of the wings on our plane. We got it all set up and then just for a double check used a water level. The water level showed a 3/8" 'out of level' or 3/16" from tip to tip. Needless to say.. I wasn't impressed. I think in the future I'm just going to borrow the Transit from work. Jarrett The fact is most things are only as accurate as the care taken in setup. Some of the laser setups are better than others. I had a tripod and a 75' long shop to setup and test the laser level. I moved the setup and the system I have repeated within 1/32" at about 70' using a plumb bob to a spot on the floor for height, but tilting the laser base visibly in two directions. Pretty good repeatability. (hell I was probably the cause of any measurable difference)! The seller claims 1/8" or better at 100' and it seems an honest claim. As with any tool, operator error can skew accuracy. And all of the normal disclaimers, YMMV etc... Bill Jepson -------------------------------1156827028 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 8/28/2006 9:33:07 PM Pacific Standard Time,=20 hjjohnson@sasktel.net writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>
Good to know guy's. The main reason I asked was my father and I used=20= a=20 laser level [ his new gaget of the week at the time] to check the level of= the=20 wings on our plane. We got it all set up and then just for a double check=20= used=20 a water level. The water level showed a 3/8" 'out of level' or 3/16" from=20= tip=20 to tip. Needless to say.. I wasn't impressed. I think in the future I= 'm=20 just going to borrow the Transit from work.
 
Jarrett
The fact is most things are only as accurate as the care taken in setup= .=20 Some of the laser setups are better than others. I had a tripod and a 75' lo= ng=20 shop to setup and test the laser level. I moved the setup and the system I h= ave=20 repeated within 1/32" at about 70' using a plumb bob to a spot on the floor=20= for=20 height, but tilting the laser base visibly in two directions. Pretty good=20 repeatability. (hell I was probably the cause of any measurable difference)!= The=20 seller claims 1/8" or better at 100' and it seems an honest claim. As with=20 any tool, operator error can skew accuracy. And all of the normal=20 disclaimers, YMMV etc...
Bill Jepson
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