Re: [Aus-soaring] JS3/production techniques

2016-12-13 Thread Mike Borgelt
When Carol and I visited Schleichers in 1988 they assigned a friendly bloke who gave us the tour of the what appeared to be a Bismarckian era building of unknown original purpose. One passageway had the molds for the ASH25 inner panel spars in it and I fully expected to see some folks workin

Re: [Aus-soaring] JS3/production techniques

2016-12-13 Thread DMcD
>>I do believe though that for the wings at least most have gone to CNC >>aluminium moulds. The German ones I saw were resin and about 7 years ago. However, two years in Dubai, I saw keels being machined out of solid steel billets inside machines which were large enough to fit a truck and other

Re: [Aus-soaring] JS3/production techniques

2016-12-14 Thread Mike Borgelt
It all comes down to money. Gliding isn't large enough to support the large capital expenditures to automate the manufacturing processes and I'm not sure making gliders a fair bit cheaper would actually increase sales by all that much as the sport appeals to a limited number of people, includi

Re: [Aus-soaring] JS3/production techniques

2016-12-14 Thread Harry
: Wednesday, December 14, 2016 7:23 PM To: Discussion of issues relating to Soaring in Australia. Subject: Re: [Aus-soaring] JS3/production techniques It all comes down to money. Gliding isn't large enough to support the large capital expenditures to automate the manufacturing processes and I&

Re: [Aus-soaring] JS3/production techniques

2016-12-14 Thread Richard Frawley
ittings and self connecting devices to connect wing > functions to the fuselage. > Harry Medlicott > > From: Mike Borgelt <> > Sent: Wednesday, December 14, 2016 7:23 PM > To: Discussion of issues relating to Soaring in Australia. <> > Subject: Re: [Aus-soaring

Re: [Aus-soaring] JS3/production techniques

2016-12-14 Thread DMcD
>>Gliding isn't large enough to support the large capital expenditures to >>automate the manufacturing processes So what would you pay for a surf board shaping machine which could be adapted to finish shape gliders? And what would an ATL machine cost which would outperform hand layup in every asp

Re: [Aus-soaring] JS3/production techniques

2016-12-14 Thread Mike Borgelt
At 06:49 PM 12/14/2016, you wrote: Poland is also becoming a threat Indeed. The GP 14 wing weighs 31Kg and broke at over 10g. Anyone know how they are building that? I had a chance to have a really good look at a Diana 1 a few years ago. When they say monocoque they mean it. Just about no