[RCSE] molds and CNC router requirements
As mold-making seems to be one of the current threads, I have a few questions regarding CNC routers for making molds that, for the sake of curiousity, I would appreciate answers to if anyone knows... please! Please assume, correctly, that I know very little. Is a 3 or 5 axis CNC router used to mill wing molds? What is considered acceptable accuracy in the mold? .5, 1, 1.5, or 2 thousandths of an inch? Are there any sites dealing with making a router? I know of a few places detailing the making of CNC foam cutters, but none for a router. For a router, the some points that elude me are a source for the software and selection of a spindle motor. The cheapest suitable commercial router I have found is a 3-axis one by www.easycut.com, at $10,000. Basically, I wish I was one of those people whose job gives them access to such nifty equipment... *sigh* Thank you for your time, Aaron RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
[RCSE] FYI: telescoping poles to 22'
I sent this earlier, but I got mysteriously unsubscribed, and so didn't see if it went through. My apologies if this is the second post. -Original Message- From: Aaron Coffey [mailto:[EMAIL PROTECTED]] Sent: Tuesday, June 13, 2000 12:29 PM To: RCSE Subject: FYI: telescoping poles to 22' I looked in the back of the kite catalog I received yesterday and noticed something new for 2000: telescoping poles. The 22' one looks great for attaching a thermal-spotting streamer to, so I thought I'd mention them here. As the ad says: Banner and windsock poles: These telescoping fiberglass poles are made for displaying banners, windsocks, spinners, and flags. They have heavy-duty tip eyelets and collapse to 47" for easy transport. #9630 10' pole $19.95 #9631 13' pole $24 #9632 16' pole $29 #9633 19' pole $39 #9634 22' pole $49 #9638 Ground Mount Rod $12 These are from the Into The Wind kite catalog. fax: 303-449-7315 phone: 1-800-541-0314 9-6 M-F, 9-4 Sa Mountain Time www.intothewind.com I used to have an address for a site that sold various interesting poles of this sort, but it was lost when I was forced to reformat my hard drive, so if someone has an interest in the above poles, they will need to check with someone about that other site in order to do some price/functionality comparisons. By the way, could someone mail me all of Mark Drela's posts regarding his spar-sizing computations? Those were another item that was lost. I'd really appreciate it! Aaron RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
RE: [RCSE] V tail (or V Tails and axial rolls)
>I notice though that v-tails don't roll as well as my standard tail >gliders - not a true axial roll. Any comments? If the nose of your glider is dropping when you initiate a turn, then the v-tail does not have the correct differential to be neutral in pitch. This would result in the small barrel rolls I believe you are experiencing. For more information on v-tails, such as sizing and tuning, I recommend a visit to http://www.bright.net/~djwerks, where you should look into the Ask Joe and Don section. Everything you want to know about v-tails is there. /amC RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
