Just an update from the other (Ron Walkers) board, I think the two major small planetarium boards have different reader bases, we are attempting to develop a...
I have a large dome Starlab that I have been using at a time share resort. I have also built a console to control lights, projectors, etc. I am interested in...
Hi I am having a hard time finding the right mirror. Someone knows where i can buy a half-ball-mirror (not too expensive, as it is for a school project, we...
... Hi Vincent, I bought my 60 cm half-dome mirror from http://www.winkelmateriaal.nl/ (select the "Bewakingsspiegels en beveiliging" category). It's not too ...
Hello Vincent Why don't you consider purchasing a ready-made CosmoDome system? Attached the latest price list (in Australian dollars). You can buy the mirror...
We just got our mirror/projector combination to work in our starlab. The resolution is not so great -- text is quite fuzzy--but the geometry is good, the grid...
Hi Jose Carlos, it is good to hear someone from Brazil here! I'm also from Brazil, Rio de Janeiro. When I was working at the Planetarium, we were doing some...
hi all, with a friend, we have tried a projector with afocal system, in a portable dome, and it works ! with an ordinary videoprojector, we can obtain a field...
Hi José Carlos, I am interested to buy a half mirror. Please tell us if this mirror dome satisfied yours objectives and how do you want to work with this...
Hi Rui, how are you? The mirror works satisfatory, the only problem is the some kind of shadows(double reflections), i think it is ocorried cause the mirror...
I'm a middle school science teacher who recently made a successful dome, but wants to make a better one. First, let me tell you about my old one. I bought two...
Hi Lauren, I have been working on a stand alone dome of the gore type. I made a small prototype first just to see if my thinking was right on. I am now in...
... This is true of Opto-mechanical 'star balls' but not for video projectors - Ideally you'd want something about 50% grey...it seems counter intuitive, but...
hello all, my name is leith. I am curious to know if anyone has experimented with different material or fabrics as projection surfaces.I wish to construct an...
Hi ron, a beautiful realization your dome. The setup must be fast! only (small?) problem: in many countries', the local law imposes materials resisting fire....
Hi Lauren, Sorry to be so slow in responding to this thread. I was out of the office for yet another conference last weekend, and the work just piled up while...
Lucky for me JoAnn Fabric had 50% off blackout fabric for this week! It cost just $3 a yard~ You're right, there's no matte gray backing, but I picked the tan...
The only advantage to paying a fire retardant treatment company is that you get a certification that the treatment has been applied (which would be legal proof...
After two days of cutting, painting, sewing, and more sewing, my inflatable planetarium is up and running! (You'll notice there's an unexpected bump at the...
Hello, I am new to the group and would like to seek advice from you pros ... I am a real amateur. In fact, I have never done anything like this before, and...
That came out great--good work! I like the exterior painting a lot. Here are some ideas: (1) A high velocity air circulator with three speeds, such as the ...
In terms of high power fans, I'd try a powerful blower - like the ones that are used to dry wet carpets. They are not cheep - but very powerful and relatively...
... We did! See www.cccoe.net/stars. ... Took us about 2 weeks an hour a day. ... Lots of information on our web site. ... The clips will be delicate; other...
Hi all, I'm having trouble getting approval from the Forest Service for my plantearium here at the resort where I work. It just aint gonna happen here in the...
Hi Lauren, Look in the photos section at the TEPS planetarium. This is a 4.8m dome ofthe sort you envisage. There are details about it on the forum website,...
... Good points JA. We used the larger 'bent single piece' bulldog clips. Our very first hexagon (and pentagon) was made using triangles and was way too...
