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Found 3 results

  1. Hi - Within the next few months I am about to start building a 6 inch f15 refractor, having already in my possession the required achromatic objective which I purchased from iStar optics. It cost more than most introductory level scopes do so I have to make a serious go of it. It is, of course, a beautiful lump of glass I am pondering various options for the tube (which will be some seven and a half feet long). On looking through the literature I find various options which I am weighing up, but when it comes to refractors there seems to be very little on the use of a black fabric light shroud stretched over a frame, such as is quite common on larger Dobsonians. Unless there is a reason not to, I'm quite tempted to go down this road for reasons of both simplicity and low weight. I'm also thinking that aesthetically it might look pretty cool too if it's done right. I understand that the frame would have to be pretty sturdy to compensate for the lack of structural support from the exterior cladding. Any advice/ideas about this question will be most welcome. Also, any ATM's out there with any suggestions on other aspects of such a build - please feel free to comment! Looking forward to your thoughts... gary
  2. Day 1 12/10/2015 Well Ive decided to build a mobile Observatory to allow easy movement and hopefully set up on sites quicker.This Blog will record the process in the various stages of the build conversion project. Donor vehicle is A 2004 Mercedes Benz frontline Ambulance with 200k on the clock. The engine is misfiring and preliminary checks would indicate piston trouble, as the engine is misfiring / lumpy and has excess back pressure at the oil filler cap. First job is to remove the engine from the vehicle as sump access is not good, I will likely need to drop the sump . Hopefully there will not be any major damage to the engine bores as that will mean a replacement engine. The conversion will take approx 6 stages to completion and a build time due to costs of around 10 months. 1/ Repair Engine unit. 2/ Install additional imobiliser,security lock upgrades and tracker system. 3/ Fit large sliding roof 4/ Fit an elevating Pier 5/ Fit a self leveling system to enable stability on site 6/ Re Enable Power supplies and safety check on electrics
  3. Hello Everyone! This is my first post to SGL, but it's certainly not my first visit. I've been a reguar leech to the wealth of information on here and have amassed a plethora of equipment for exploring the night sky that evolved from an 8" 200P Dobsonian, and finally up to its current "Mark IV" as the 8" Newtonian Equitorial you can see in the photo. I'm aware of the ettuiqette here, and this isn't a "hello" post, no. This is me sharing my write-up for the 12v Power Supply that I made myself in the eventual journey to my fully remote observatory (hopefully opening 2018) at the end of my garden. Hoping to maybe give something back to the community that i've taken so much knowledge and tips/tricks from over the last 18months; because 19months ago, I'd never even put my eye to a telescope eyepiece and now I'm flocked, guided, and powered. So thank you everyone for that. I've written half of the write up for it last night, pt 2 to follow soon I hope it's ok to share an external link to my personal Blog: http://milkandbourbons.tech/telescope-power Finally, its not in the Blog just yet, but here's the picture of the final, finished powersupply. It's a little rough looking 'cos I didn't order as much wire as I should have, but it does the job amazingly! Thanks for reading! Deano
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