This is a Generation II telescope.All updates have been performed on this telescope. Yes, you can use the kit on other telescopes as well. The mirror box has to be both strong and stiff - it really is the central component of the telescope as it has to support the altitude bearings and the truss tube with the secondary cage on top. Every part we manufacture for our own telescopes is now available to you. Carbon Tube Telescopes: The tube telescope is slightly better athermalized than a truss as carbon tubes offer the highest stability since there is . Description. 8x50 RA erect-image finderscope. tubes The truss tubes are 1 inch diameter, 0.050 inch thick, black anodized aluminum tubes purchased from Moonlite telescope components. Easy cage assembly, and high clamping force make these an excellent choice for 18" or larger aperture telescopes. Carbon Tube Telescopes: The tube telescope is slightly better athermalized than a truss as carbon tubes offer the highest stability since there is . Center Body Length (in.) TRUSS CLAMPS ALTITUDE BEARINGS GUSSETS, BRACES & FEET FOCUSERS Details on planets and deep sky objects will be visible even for inexperienced observers. How thick shall the tube be to provide the necessary strength to keep optical components in place? These are intended for either very large Dobs (36" and up) or very long focal length big Dobs (for instance a 32" f/5). Submit. Description One of the most portable large Dobsonian telescopes on the market today, with quick set up and tear down by one or two people, the 16-inch primary mirror with 1829mm of focal length Truss Tube Dobsonian can be transported anywhere in a compact car. The ideal workhorse for the deep sky observers, the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian is our largest aperture telescope. 4. 8x50 straight-through finderscope And a truss is easily maintained as all components are readily accessible. Description. Details on planets and deep sky objects will be visible even for inexperienced observers. building a truss dobsonian telescope. Optical Features: - Zero Expansion Astro-Sitall, Ritchey-Chrétien Optics Tested and Certified to at least 1/25th wave RMS. We can help you make your new Dobsonian telescope project a success. Page 1 of 3 - Recommendations for thin walled aluminum truss tube sources? In this section we will show you how to build a complete Dobsonian Telescope. The sample we will build is a 6-inch f/7.5, however the plans can be scaled down to 4-inch scopes and up to 10- or 12-inch scopes of various focal ratios. Dobsonian Base. In this section we will show you how to build a complete Dobsonian Telescope. Available in lengths up to 12 feet. The telescope is fitted with a stable Carbon Fiber Truss tube and a precise 3" dual speed Monorail focuser. So get a Meade 12in. An enormous yet conveniently portable 14" aperture truss-tube Dobsonian telescope equipped with fully motorized GoTo object location and automatic tracking of over 42,000 celestial objects; . It's also almost entirely made out of aluminum, with no wood or plastic to be found. 1.25" OD - 049 wall $5.25 per foot 1.50" OD - 049 wall $5.75 per foot SPECIFICATIONS: Aperture: 6 inches = 152 mm. Birch and Maple Plywood. To date (November 2015) I have made over well 200 telescopes, mostly large truss-tube Dobsonians but also a few refractors and Cassegrains. We also supply all the precision cut wood components which are routed with CNC technology. These lightweight aluminum alloy UTA clamps are cast, then bored out to 2" on the CNC Lathe. "Obsession" Side Bearings Meade LightBridge Portable Telescope Lightweight Aluminum Trusses. The center and rear truss tube support rings are 15.74" (400mm) in diameter, while the front support ring is 13.38" (340mm) in diameter. The truss tubes are made of a light weight/high strength woven carbon fiber-reinforced . The supplied focuser adds 5.25" (133mm) with the drawtube retracted. . all components fit together correctly. Once broken down, everything fits easily into even a compact car, for the trip to your favorite dark-sky site. Teeter's Telescopes, LLC., was formed in 2002, and is the banner under which we have custom-built over 200 Dobsonian Telescopes. The 500mm mirror collects 5100 times more light than the naked eye. RCOS 16" f/9 Carbon Truss Telescope with ION Milled Ritchey-Chrétien Optics. New LightBridge truss-dobs from Meade take down and set up quickly. Construction of a 20 inch dobsonian telescope by peter smith music created by peter smith aka astrorambler set up for a nights observation at 5:35 minutes in to the video. --$99 for 2 "string" assembled (measurement needed from user). Note: Make sure that the seam on the tube is also pointing towards the front panel (see step 1) The tube essentially consists of 3 components: the mirror box, the trusses, and the upper tube assembly. The superior components include a 2-inch two-speed rack & pinion focuser make for precise focusing. The 500mm mirror collects 5100 times more light than the naked eye. An enormous yet conveniently portable 14″ aperture truss-tube Dobsonian telescope equipped with fully motorized GoTo object location and automatic . As with all Orion telescopes, our Customer Service and Technical Support teams are available to help with any questions you may have on our exciting 14" GoTo Truss Tube Dobsonian. Sky-Watcher 12" f/5 Collapsible Truss Dobsonian Telescope OTA. The ideal workhorse for the deep sky observers, the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian is our largest aperture telescope. For 1.25 and 1.5" truss tubes. Note the corner bracing inside, and the circular dust cover behind. Wood. With these tubes an extremely rigid tube with low weight can be realized. So you can take one of these massive windows on the universe out to your favorite dark sky locations with ease. Our most advanced 12-inch Dobsonian is geared up for extensive exploration of the night sky, with fully motorized GoTo and tracking drives providing automated pointing to any of the over 42,000 celestial objects in the hand controller's database. Completely redesigned, the Explore Scientific 20" f/3.6 Truss Tube Gen 2 Dobsonian Telescope features improved stiffness and load-bearing capacity of the optical components to safely carry the large primary mirror and move the entire system smoothly without any vibration. The superior components include a 2-inch two-speed rack & pinion focuser make for precise focusing. Extreme portability with quick set up and tear down, the 10-inch primary mirror with 1143mm of focal length Truss Tube Dobsonian is1143mm of focal length by almost anyone and occupies a very small space in a car for easy transport. Apply Ply Plywood - Local distributor is Northern Jersey Reserve Supply, 2 Midland Ave., Elmwood Park, NJ 07407 Tel (201)796-3000. Orion SkyQuest XX16g Go To Truss Dobsonian Telescope Highlights. This is the same 6061 aluminum tube we use for all our truss poles. Vane Thickness Vane Ends Thread Price 15 - 19 2.5 0 . This webpage shows how to convert your truss tube telescope to a string telescope by bolting on the string assembly with minimum modifications to the mirror box. Telescopes: Truss Telescopes: Ultra-Light Conversions: Scopes and Testimonials: Parts and kits: Components for the ATM: The "ETT" (Easy Transport Telescope) Telescopes for sale: Links: Contact Us: Pricing: Payments Paypal and Credit Cards . The Astro-Tech AT10RCT is 24.4" (620mm) long without focuser. Drill mounting holes in your existing mirror box and bolt on the string assembly. So I have now 8 sets of dual ball-swivel ends for trusses that will make my 12" into a horseshoe truss tube newt. Completely redesigned, the Explore Scientific 20" f/3.6 Truss Tube Gen 2 Dobsonian Telescope gets improvements to stiffness and load bearing capacity of the optical components to safely carry the large primary mirror and move the entire system smoothly with greater vibration suppression. Place the upper cage (5) into the slots at the top of each truss and lightly tighten the truss knobs (6). 2. Meade LightBridge Truss-Tube Dobsonian Telescope Metal Rear Tube with Primary Mirror Cell. FEATURES: Diffraction Limited Optics Meade optics consistently outperform telescopes of similar and larger aperture. AG Optical Systems telescopes have the following features: Smooth, well-corrected optics providing a flat field free from coma and astigmatism over a large image circle. Description. Although the Orion SkyQuest XX12g GoTo Truss Tube Dobsonian is a hefty telescope, it does disassemble rather quickly. Leave us your email, and we'll let you know when this item is back in stock. . Where to buy the ATM stuff you will need. Best regards Jorgen Lightbridge (or any dobsonian rockerbox) upgrades: Click here for info. 3. All connections of the tube structure are welded, with no rivets or screws. And prepare to cross the universe. Specify size, length, and amount. A companion to "Guide to Building Truss Tube Telescopes", this program calculates all optical, balance and dimensional information to build a complete 12.5 to 25" aperture truss tube telescope. There are additional custom delivery charges that will be due at time of shipping. See All Telescopes; New Telescopes; Telescope Kits; Refractor Telescopes The only components that I do not make are the mirrors, focusers and some of the finderscopes. And a truss is easily maintained as all components are readily accessible. A colossal 14" aperture truss-tube Dobsonian reflector telescope that breaks down into bite-size components to fit into a standard size car. LightBridge Truss-Dob Telescope - and prepare to cross the universe. - Enhanced Aluminum (SiO2/TiO2) Overcoat - 96.9% Reflectivity. LightBridge Dobs give you high quality Meade optics, premium components, and ultra portability — all for about the same price as an ordinary tube Dob. Retail total is about $296 +shipping - I'd want $160 plus actual shipping . $9,500.00 $9,999.99 ONE LEFT! The tube or trusses of a telescope must perform the task of holding the optical components at the correct separation and at the correct relative alignment, regardless of the orientation of the telescope on the sky. --$45 for 2 "string" kit. Details on planets and deep sky objects will be visible even for inexperienced observers. In the US this charge can be $600 or more. Collapsible Truss-Tube Dobsonians from Sky-Watcher now feature two sets of holes - one for standard viewing, and one shorter set for use with a binoviewer or even with a camera. The ideal workhorse for the deep sky observers, the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian is our largest aperture telescope. Supplier SKU. This means that it's still possible to take the telescope with you on the go; however, you will need to be prepared to break down the truss into its six components to be able to easily maneuver and carry it. Dobsonian Telescopes have large apertures, allowing observers to set up at dark sky locations and observe star clusters with ease. S11740. The 500mm mirror collects 5100 times more light than the naked eye. Truss Tube Dobsonian Telescopes break down into several pieces for easy transport and go together in minutes. Meade Light Bridge Dobsonians Metal Front Secondary Mirror Tube with 2" Crayford Focuser. But also visual observing is a highlight with this powerful telescope. It's also almost entirely made out of aluminum, with no wood or plastic to be found. The precisely figured hyperbolic primary mirror is made from quartz for enhanced thermal stability. 3. four double-swivel tube connectors made by Aurora Precision. These have ranged from 8" F/6 to 24" F/3.5 and nearly every aperture and focal length combination between. Truss telescopes also offer a lower cross section or "sail" area than a tube telescope, so they are less vulnerable to wind. (my price $10 each) Items 1-3 above will only be sold as complete units (e.g.all 4 truss tubes) Some simple snapshots are attached. Email or call for quote. Free shipping for many products! We use cookies to provide you with a great experience and to help our website run effectively. Truss telescopes also offer a lower cross section or "sail" area than a tube telescope, so they are less vulnerable to wind. black . Broadband anti-reflection (< 0.5%) coatings on all lens surfaces. The sample we will build is a 6-inch f/7.5, however the plans can be scaled down to 4-inch scopes and up to 10- or 12-inch scopes of various focal ratios. The assembly process is clear enough even though the weight of components involved can make the experience a bit . At about the 12-inch size, it is more practical to switch to a truss-tube design, which we will not cover at this . The large bearings TELESCOPE COMPONENTS Heavy Duty Spiders - Style 1 Tube ID (in.) Moonlite Telescope Accessories' 1.00" O.D. Manual. For serious amateur astronomers seeking big-aperture exhilaration, state-of-the-art GoTo electronics, and a . The Six-inch Telescope comes with an 8 x 50 Optical Finder, a Wide-Field eyepiece of advanced design, a sturdy tripod, and a shroud. Unlike many mass-manufactured truss telescopes, the ES 10" Truss uses a square lower tube assembly, much like premium and homemade instruments usually do. Description The ideal workhorse for the deep sky observers, the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian is our largest aperture telescope. The Meade LightBridge Dobs Telescope gives you high quality Meade optics, premium components, and ultra portability - all for about the same price as an ordinary tube dob telescope. Step 3: After all 3 trusses are in place, loosen the upper truss-tube lock knobs (6) on top of each truss. Weight 3 lbs. - posted in ATM, Optics and DIY Forum: As Im getting back into a couple of ATM builds and designing a future one, Im soliciting suggestions for a source of aluminum tubes. At about the 12-inch size, it is more practical to switch to a truss-tube design, which we will not cover at this . The GSO 12" f/8 Ritchey-Chrétien Truss Tube Astrograph is a true RC telescope and will give you spectacular photo results also with large format camera sensors. Optics and Tube. Telescope Making Links - Supplies and Components. The intention is to use an aluminium tube for the optical components. 1500mm focal length (f/4.4) 2" Crayford-style focuser with 1.25" adapter. The Orion SkyQuest XX12i Truss Dobsonian telescope improves on the already stellar features and performance of the standard Orion XT12 IntelliScope Dob. Description. The XX12g telescope optical tube employs a rigid 8-pole truss design that virtually eliminates flexure observed in 6- and 3-pole collapsible tube designs. 00-1-831-763-7000 Availability Details. The fittings are designed to connect two rods to each other symmetrically. This RC OTA comes with a 250mm (9.8") mirror with a 2000mm focal length, giving it a relatively fast focal ratio of f/8 in a compact steel tube that's only 24.3" long. The telescope is fitted with a stable Carbon Fiber Truss tube and a precise 3" dual speed Monorail focuser. All connections of the tube structure are welded, with no rivets or screws. The tube will be 30" wide and 120" long. - Supporting Fringe Analysis and Interferometric Data included. A 30-50% savings will be realized over purchasing a premium finished truss tube telescope. 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