Hi Chris, I've used double roller chain in the past. This allows putting a screw through one side and leaving the other open for the sprocket. It also allows ...
Yes, I am aware of double-roller chain. I might go that way if I can't find the right hollow-link chain for my project. I have a disc integrated into the...
I think I have come up with a dome shutter idea that I have not seen before and I would like to get some comments on it from the group. I have made a drawing...
I just discovered that even though the large version works, Yahoo has mangled the medium version. You will have to click on the "View: Large" link to see the...
Hello Folks, I just wanted to alert you to a new kind of equatorial mount that I have invented. I gave a presentation about it at RTMC '06 and you can read a...
Hi Group, I do have maintenance my dome. I have also motorised the shutter. Now I don't have to climb the stair to open or to close it. After 22 year I...
An important message about the data-plumber.com (24.237.160.4) file archives. Some big changes are coming to the www.data-plumber.com file archives, which have...
Grouply is a disease that disguises itself as a service to Yahoo group members. Grouply asks you to give them your Yahoo ID and password under the guise that...
I have been informed that there are now two more spammers set up to steal Yahoo member identities in the same way as Grouply. They are Friendster and...
... A couple of years on, my geodesic is still standing. I have new telescopes, new cameras and am learning more and more every time I go out and use it. To...
No idea how well it will work for GPS-enabled scopes inside metal domed observatories but it looks very promising and the price is certainly reasonable. ...
Hi Folks, I want to build a geo dome observatory. Any advise would be greatly appreciated. Just a note I have build 2 observatories in the past the first one...
Hi, I have a homemade dome on my home made observatory. The material is polyester. The most difficult job is make the gauge. The whole process is not expensive...
Hey Gerald, Appreciate your information love your dome! It does not look very heavy in the pictures, any problem with wind lifting it ? also love your image...
Sonya, The dome is not fasten. I turn the opening always to the ZW side. The wind will not blow de shutter away, the wind will suck the shutter! Never I lost...
I built an incredibly strong geodesic dome using 1/2" EMT conduit, 1/4" plywood and fiberglass. I used golf balls for the dome bearing. Some places in Alaska...
Dear Moderator, I want to post a CPC 800 XLT 1 year (new) and other like new goodies 4 it : Telrad, eyepices/ cases, and optional 2 inch Diagonal, dew shield,...
Hi there, This is Alejandro Martin from Madrid (Spain) and I have planned to start building my own geodesical observatory; my project is around a 3mts diameter...
Hi, thanks for your quick reply. Well, the main problem I have on building the dome first is related to the lack of space for keeping the pieces while...
