I just posted a few photos of the restoration I have undertaken of my RV-6. The declination and polar shafts cleaned up very nicely. I have also worked on the...
**** PRICELESS **** Telescope is located in Northern California. Has an original Criterion A.R. 30mm eyepiece. I have no idea how much shipping would cost. ...
Hello Kenneth, The declination shaft was fairly munged up as a result of the set screws being turned very tight. I measuerd the dec shaft and found the...
I'm confused, how was and end miil used in this process? allan ... -- "The truth is an offense, but not a sin" [Non-text portions of this message have been...
Sorry, wrong term. The end mill put a small hole int he end of the shaft at the center. The tail stock held the shaft in place. Please excuse the terminology. ...
I use an end drill in a tailstock chuck for that purpose, with the workpiece flush with the headstock chuck or collet, the rest of the workpiece protruding...
I was thinking I saw a post about someone replacing the secondary mirror in an RV-6 with a new one and it did not fit in the original holder. I've searched old...
... I tried to put a replacement in my 8" dynascope ( I had a 1.5ma secondary) while my original was being recoated. It didn't fit.Just have the original...
I have just posted the first in a series of YouTube videos that I am making where I will show the restoration of my Criterion RV-6 Dynascope at the following...
My primary is fine. I just need a replacement for the secondary. Majestic did the coating on another of my scopes and did a great job. I highly recommend them....
I thought I saw someone who needed a tube ring for their RV6, there is a set on Cloudy Nights in the Classifieds under Mounts/accys for sale 5-11-12...
Can anyone refer me to a post relating to painting a tube grey? This weekend I stripped all of the paint off of my RV-6 tube. It was terribly worn. The paint...
The standard RV-6 tube finish was white, kind of semi-gloss, with the natural tube texture visible. Do you have a grey wrinkle tube, as apparently a few did? ...
John, I have at least two Grey wrinkle tubes, one sans optics. Francis J. O'Reilly ... From: John Rusho To: dynascope@yahoogroups.com Sent: Monday, May 14,...
I thought that the grey wrinkle finish was used on the standard higher end Dynascopes and the semi-gloss was used on the RV-6. ...Tim Tim Hager (HTY) New...
I believe there was a (hard to find) six inch deluxe that was painted as such, or it is a six that precedes the RV line. If his OTA has aluminum rings on the...
My 1967 RV-6 (new) came with the white tube. I know the Deluxe scopes had the grey wrinkle and the cast aluminum end rings, but the rings would fit the RV-6 as...
The finish I seek to duplicate is the grey wrinkle finish. Any ideas are appreciated. Dave G? Francis J. O'Reilly [Non-text portions of this message have been...
Like any small company, Criterion used whatever they had on hand to get product out. I acquired an old RV-6 which had a grey wrinkle tube without aluminum...
Hi All and thank you in advance for any help you may lend me. I just dusted off my Criterion tube and pulled the base out of the shed and the two are reunited...
Hello - I am sorry, but I cannot figure out what part you are referring to. Please refer to the RV6 picture with labels at the end of the Dynascope files...
Haven't been on here in a while -- good to see so much expertise being shared here! Contemplating either making (or possibly purchasing) a solar filter for my...
Rich - Check out the Yahoo Talking Telescopes group - they have been discussing this at length. Unfortunately, finding a solar filter is getting harder the...
I believe the OP is talking about the saddle where the tube rings mount to. it is broken and needs to be welded. It shouldn't be too bad a job to repair if he...
