Thanks you to most of you who have provided informative responses! I'm off to throw an orange-bellied parrot on the barbie....
Thanks & Regards, Nelson Handcock 0409 149919 http://www.linkedin.com/in/nelsonhandcockaustralia On Fri, Jul 12, 2013 at 7:00 PM, <[email protected] > wrote: > Send Aus-soaring mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.internode.on.net/mailman/listinfo/aus-soaring > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Aus-soaring digest..." > > > Today's Topics: > > 1. Re: Wind Turbines cause turbulence risk? (Urs Rothacher) > 2. Re: Wind Turbines cause turbulence risk? (Mike Borgelt) > 3. Re: Wind Turbines cause turbulence risk? (Mike Borgelt) > 4. Re: Wind Turbines cause turbulence risk? (Mike Borgelt) > 5. Re: Wind Turbines cause turbulence risk? (Bob Ward) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 12 Jul 2013 00:23:43 -0700 > From: "Urs Rothacher" <[email protected]> > Subject: Re: [Aus-soaring] Wind Turbines cause turbulence risk? > To: "'Discussion of issues relating to Soaring in Australia.'" > <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Not highly scientific, but a pretty good read about this topic: > "Wind Turbines and Light Aircraft" > http://experimenter.epubxp.com/i/126719/36 > > Enjoy > Urs > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of emilis > prelgauskas > Sent: Donnerstag, 11. Juli 2013 20:35 > To: Discussion of issues relating to Soaring in Australia. > Subject: Re: [Aus-soaring] Wind Turbines cause turbulence risk? > > > On 12/07/2013, at 12:32 PM, DMcD wrote: > > No doubt wind turbines can cause turbulence but it is highly likely > > that the ridge on which they were sited would cause far more > > turbulence. My narrow experience suggests that many fixed wing & > > helicopter aircraft pilots don't take this enough into account. > > On a similar vein a retired airline captain this year soared the Morning > Glory in his Musketeer. > He commented that in his youth they all flew across the Glory in DC3s in > that country complaining about the power settings needed; not understanding > the potential for flying along the lift lines. > > _______________________________________________ > Aus-soaring mailing list > [email protected] > To check or change subscription details, visit: > http://lists.internode.on.net/mailman/listinfo/aus-soaring > > > > ------------------------------ > > Message: 2 > Date: Fri, 12 Jul 2013 17:39:09 +1000 > From: Mike Borgelt <[email protected]> > Subject: Re: [Aus-soaring] Wind Turbines cause turbulence risk? > To: "Discussion of issues relating to Soaring in Australia." > <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii"; Format="flowed" > > At 07:17 AM 12/07/2013, you wrote: > >I found the report (below), it's about the Gunning Wind Farm, built > >along the Cullerin ranges. > >Turbulence? 9km directly downwind of a range of hills? Has anyone > >heard of a phenomenon that might cause such turbulence? > > > > > I found the "mountain range" on Google Earth. It appears to oriented > roughly SE/NW. With 5 to 8 knots of wind I hardly think there is > going to be a lot of turbulence 9 km downwind of a range of hills 200 > to 300 feet higher than the surrounding countryside. With such light > winds there probably isn't going to be a lot of random turbulence to > break up any organised vortices. When the pilot says he determined > the turbulence was from the wind farm, I can only presume he flew > around figuring out the boundaries of the turbulence. The ABC report > seems to be a model of non hysterical reporting and the air ag guys > are just wanting a little research done on the likely risk. Seems > reasonable. Don't forget these guys fly in the weeds all the time and > will be familiar with winds and turbulence at low level. > > For D MC D - we've been going to run out of oil in the near future > for the last 120 years. If we have to run intercontinental surface > transport on sails because run out of oil, most of the people on the > planet are going to starve. Some greenies think this is a feature, not a > bug. > LFTR reactors, properly developed, means you can synthesize > hydrocarbon fuels from water and CO2 in the air. Just a matter of > making energy cheap enough. > > I prefer the Arthur C. Clarke version of the future of ships "for all > but a few centuries at the dawn of history, the word 'ship' meant > spaceship" :-) > > Mike > > > > > Borgelt Instruments - design & manufacture of quality soaring > instrumentation since 1978 > www.borgeltinstruments.com > tel: 07 4635 5784 overseas: int+61-7-4635 5784 > mob: 042835 5784 : int+61-42835 5784 > P O Box 4607, Toowoomba East, QLD 4350, Australia > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.internode.on.net/mailman/private/aus-soaring/attachments/20130712/52a07082/attachment.html > > > > ------------------------------ > > Message: 3 > Date: Fri, 12 Jul 2013 17:51:27 +1000 > From: Mike Borgelt <[email protected]> > Subject: Re: [Aus-soaring] Wind Turbines cause turbulence risk? > To: Jim Staniforth <[email protected]>, "Discussion of issues > relating to Soaring in Australia." > <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii"; Format="flowed" > > At 05:16 PM 12/07/2013, you wrote: > > One 45-minute flight last week (testing a new vario) I flew with > > three eagles, no condors and dozens of hawks, etc. There are only 5 > > or 6 thousand wind turbines within 50km. > >Jim > > > > > > > Which proves you flew for 45 minutes. Were you asleep during any > science classes you may have taken? > > Mike > > > > > Borgelt Instruments - design & manufacture of quality soaring > instrumentation since 1978 > www.borgeltinstruments.com > tel: 07 4635 5784 overseas: int+61-7-4635 5784 > mob: 042835 5784 : int+61-42835 5784 > P O Box 4607, Toowoomba East, QLD 4350, Australia > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.internode.on.net/mailman/private/aus-soaring/attachments/20130712/83721184/attachment.html > > > > ------------------------------ > > Message: 4 > Date: Fri, 12 Jul 2013 17:55:44 +1000 > From: Mike Borgelt <[email protected]> > Subject: Re: [Aus-soaring] Wind Turbines cause turbulence risk? > To: "Discussion of issues relating to Soaring in Australia." > <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii"; Format="flowed" > > What a wonderful place to fly. I can hardly wait until this comes here. > > Mike > > > At 05:23 PM 12/07/2013, you wrote: > >Not highly scientific, but a pretty good read about this topic: > >"Wind Turbines and Light Aircraft" > >http://experimenter.epubxp.com/i/126719/36 > > > >Enjoy > >Urs > > > >-----Original Message----- > >From: [email protected] > >[mailto:[email protected]] On Behalf Of emilis > >prelgauskas > >Sent: Donnerstag, 11. Juli 2013 20:35 > >To: Discussion of issues relating to Soaring in Australia. > >Subject: Re: [Aus-soaring] Wind Turbines cause turbulence risk? > > > > > >On 12/07/2013, at 12:32 PM, DMcD wrote: > > > No doubt wind turbines can cause turbulence but it is highly likely > > > that the ridge on which they were sited would cause far more > > > turbulence. My narrow experience suggests that many fixed wing & > > > helicopter aircraft pilots don't take this enough into account. > > > >On a similar vein a retired airline captain this year soared the Morning > >Glory in his Musketeer. > >He commented that in his youth they all flew across the Glory in DC3s in > >that country complaining about the power settings needed; not > understanding > >the potential for flying along the lift lines. > > > >_______________________________________________ > >Aus-soaring mailing list > >[email protected] > >To check or change subscription details, visit: > >http://lists.internode.on.net/mailman/listinfo/aus-soaring > > > >_______________________________________________ > >Aus-soaring mailing list > >[email protected] > >To check or change subscription details, visit: > >http://lists.internode.on.net/mailman/listinfo/aus-soaring > > Borgelt Instruments - design & manufacture of quality soaring > instrumentation since 1978 > www.borgeltinstruments.com > tel: 07 4635 5784 overseas: int+61-7-4635 5784 > mob: 042835 5784 : int+61-42835 5784 > P O Box 4607, Toowoomba East, QLD 4350, Australia > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.internode.on.net/mailman/private/aus-soaring/attachments/20130712/e446bfd7/attachment.html > > > > ------------------------------ > > Message: 5 > Date: Fri, 12 Jul 2013 19:00:06 +1000 > From: "Bob Ward" <[email protected]> > Subject: Re: [Aus-soaring] Wind Turbines cause turbulence risk? > To: "Discussion of issues relating to Soaring in Australia." > <[email protected]> > Message-ID: <EE840399E4404854A8BA5CEA51206E7A@BobWardPC> > Content-Type: text/plain; charset="iso-8859-1" > > Is there a moderator on this site? If so, is he asleep ? > > Bob Ward > > From: Mike Borgelt > Sent: Friday, July 12, 2013 5:55 PM > To: Discussion of issues relating to Soaring in Australia. > Subject: Re: [Aus-soaring] Wind Turbines cause turbulence risk? > > What a wonderful place to fly. I can hardly wait until this comes here. > > Mike > > > At 05:23 PM 12/07/2013, you wrote: > > Not highly scientific, but a pretty good read about this topic: > "Wind Turbines and Light Aircraft" > http://experimenter.epubxp.com/i/126719/36 > > Enjoy > Urs > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of emilis > prelgauskas > Sent: Donnerstag, 11. Juli 2013 20:35 > To: Discussion of issues relating to Soaring in Australia. > Subject: Re: [Aus-soaring] Wind Turbines cause turbulence risk? > > > On 12/07/2013, at 12:32 PM, DMcD wrote: > > No doubt wind turbines can cause turbulence but it is highly likely > > that the ridge on which they were sited would cause far more > > turbulence. My narrow experience suggests that many fixed wing & > > helicopter aircraft pilots don't take this enough into account. > > On a similar vein a retired airline captain this year soared the Morning > Glory in his Musketeer. > He commented that in his youth they all flew across the Glory in DC3s in > that country complaining about the power settings needed; not > understanding > the potential for flying along the lift lines. > > _______________________________________________ > Aus-soaring mailing list > [email protected] > To check or change subscription details, visit: > http://lists.internode.on.net/mailman/listinfo/aus-soaring > > _______________________________________________ > Aus-soaring mailing list > [email protected] > To check or change subscription details, visit: > http://lists.internode.on.net/mailman/listinfo/aus-soaring > Borgelt Instruments - design & manufacture of quality soaring > instrumentation since 1978 > www.borgeltinstruments.com > tel: 07 4635 5784 overseas: int+61-7-4635 5784 > mob: 042835 5784 : int+61-42835 5784 > P O Box 4607, Toowoomba East, QLD 4350, Australia > > > > > -------------------------------------------------------------------------------- > _______________________________________________ > Aus-soaring mailing list > [email protected] > To check or change subscription details, visit: > http://lists.internode.on.net/mailman/listinfo/aus-soaring > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.internode.on.net/mailman/private/aus-soaring/attachments/20130712/03a82aa5/attachment.html > > > > ------------------------------ > > _______________________________________________ > Aus-soaring mailing list > [email protected] > http://lists.internode.on.net/mailman/listinfo/aus-soaring > > End of Aus-soaring Digest, Vol 118, Issue 13 > ******************************************** >
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