How Do I Fix This?
- Refractordude
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How Do I Fix This?
A screw or whatever came out of the focuser tube. All is fine, the telescope is still very usable. The scope is a Meade LX70 120mm f8. What type/size of screw should I buy? I am not certain it was a screw that kept the focuser rail/track in proper place. Thanks to you all.
- Thefatkitty
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Re: How Do I Fix This?
Hey Refractordude,
Well that sucks! Yeah, there's only two screws that hold these things on. You will need it eventually, as the one screw left will get loose/break.
The screw size? Freakin' small is all I've got on it. I don't have anything that measures a thread pitch that small This is a picture of what you need with an eyeglasses screwdriver next to it for size:
Maybe a screw from some eyeglasses would do, though my dollar store specials have even smaller screws.
If you really can't find one, shoot me a PM with your address and I'll put this in the mail for you; I've got more than a few from old focusers. Might cost me two bucks postage, big deal; but I'd be willing to help you out, no strings attached
BTW, that's a nice scope!!!
All the best,
Well that sucks! Yeah, there's only two screws that hold these things on. You will need it eventually, as the one screw left will get loose/break.
The screw size? Freakin' small is all I've got on it. I don't have anything that measures a thread pitch that small This is a picture of what you need with an eyeglasses screwdriver next to it for size:
Maybe a screw from some eyeglasses would do, though my dollar store specials have even smaller screws.
If you really can't find one, shoot me a PM with your address and I'll put this in the mail for you; I've got more than a few from old focusers. Might cost me two bucks postage, big deal; but I'd be willing to help you out, no strings attached
BTW, that's a nice scope!!!
All the best,
Mark
"The Hankmeister" Celestron 8SE, orange tube Vixen made C80, CG4, AZ-EQ5 and SolarQuest mounts.
Too much Towa glass/mirrors.
Solar:
H/A - PST stage 2 mod with a Baader 90mm ERF on a Celestron XLT 102 (thanks Mike!)
Ca-K - W/O 61mm, Antares 1.6 barlow, Baader 3.8 OD and Ca-K filters with a ZWO ASI174mm.
W/L - C80-HD with Baader 5.0 & 3.8 Solar film, Solar Continuum 7.5nm and UV/IR filters with a Canon EOS 550D.
Member of the RASC
"The Hankmeister" Celestron 8SE, orange tube Vixen made C80, CG4, AZ-EQ5 and SolarQuest mounts.
Too much Towa glass/mirrors.
Solar:
H/A - PST stage 2 mod with a Baader 90mm ERF on a Celestron XLT 102 (thanks Mike!)
Ca-K - W/O 61mm, Antares 1.6 barlow, Baader 3.8 OD and Ca-K filters with a ZWO ASI174mm.
W/L - C80-HD with Baader 5.0 & 3.8 Solar film, Solar Continuum 7.5nm and UV/IR filters with a Canon EOS 550D.
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Re: How Do I Fix This?
A little JB Weld epoxy will probably fix it fine! Just make sure it is good and clean and free of grease / oil first.
Tom
Current Equipment:
Mount: Celestron CGX-L
Scope: 130mm f7 APO
Cam: ASI071mc-pro
Current Equipment:
Mount: Celestron CGX-L
Scope: 130mm f7 APO
Cam: ASI071mc-pro
- Bigzmey
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Re: How Do I Fix This?
You definitely want to fix it. Since there are two screws you can use the second as a reference on what to buy.
Nice scope, BTW.
Nice scope, BTW.
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
Binos: APM: 100-90 APO; Canon: IS 15x50; Orion: Binoviewer, LG II 15x70, WV 10x50, Nikon: AE 16x50, 10x50, 8x40.
EPs: Pentax: XWs & XFs; TeleVue: Delites, Panoptic & Plossls; ES: 68, 62; Vixen: SLVs; Baader: BCOs, Aspherics, Mark IV.
Diagonals: Baader: BBHS mirror, Zeiss Spec T2 prism, Clicklock dielectric; TeleVue: Evebrite dielectric; AltairAstro: 2" prism.
Filters: Lumicon: DeepSky, UHC, OIII, H-beta; Baader: Moon & SkyGlow, Contrast Booster, UHC-S, 6-color set; Astronomik: UHC.
Solar: HA: Lunt 50mm single stack, W/L: Meade Herschel wedge.
Observing: DSOs: 3106 (Completed: Messier, Herschel 1, 2, 3. In progress: H2,500: 2180, S110: 77). Doubles: 2437, Comets: 34, Asteroids: 257
- Lady Fraktor
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Re: How Do I Fix This?
If you are a member of a club maybe someone has an old focuser laying about, a hobby store for R/C may have a screw that would fit.
If not a thin coating of JB Weld or 2 part epoxy should repair it for now.
If not a thin coating of JB Weld or 2 part epoxy should repair it for now.
Gabrielle
See Far Sticks: Elita 103/1575, AOM FLT 105/1000, Bresser 127/1200 BV, Nočný stopár 152/1200, Vyrobené doma 70/700, Stellarvue NHNG DX 80/552, TAL RS 100/1000, Vixen SD115s/885
EQ: TAL MT-1, Vixen SXP, SXP2, AXJ, AXD
Az/Alt: AYO Digi II, Stellarvue M2C, Argo Navis encoders on both
Tripods: Berlebach Planet (2), Uni 28 Astro, Report 372, TAL factory maple, Vixen ASG-CB90, Vixen AXD-TR102
Diagonals: Astro-Physics, Baader Amici, Baader Herschel, iStar Blue, Stellarvue DX, Tak prism, TAL, Vixen
Eyepieces: Antares to Zeiss (1011110)
The only culture I have is from yogurt
See Far Sticks: Elita 103/1575, AOM FLT 105/1000, Bresser 127/1200 BV, Nočný stopár 152/1200, Vyrobené doma 70/700, Stellarvue NHNG DX 80/552, TAL RS 100/1000, Vixen SD115s/885
EQ: TAL MT-1, Vixen SXP, SXP2, AXJ, AXD
Az/Alt: AYO Digi II, Stellarvue M2C, Argo Navis encoders on both
Tripods: Berlebach Planet (2), Uni 28 Astro, Report 372, TAL factory maple, Vixen ASG-CB90, Vixen AXD-TR102
Diagonals: Astro-Physics, Baader Amici, Baader Herschel, iStar Blue, Stellarvue DX, Tak prism, TAL, Vixen
Eyepieces: Antares to Zeiss (1011110)
The only culture I have is from yogurt
- notFritzArgelander
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Re: How Do I Fix This?
Great advice! I can't improve. Those Synta made 120mm f8.33 scopes can be very nice with some TLC. Hope yours is back in shape soon!
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: AWB 130mm, f5, Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker IV, Vixen Porta II, Celestron CG5
- Refractordude
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Re: How Do I Fix This?
I will try some eyeglasses screws first. If that does not work the epoxy idea is great. Thanks to you all
- Refractordude
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Re: How Do I Fix This?
Thanks a milThefatkitty wrote: ↑Wed Nov 20, 2019 7:05 pm Hey Refractordude,
Well that sucks! Yeah, there's only two screws that hold these things on. You will need it eventually, as the one screw left will get loose/break.
The screw size? Freakin' small is all I've got on it. I don't have anything that measures a thread pitch that small This is a picture of what you need with an eyeglasses screwdriver next to it for size:
IMG_1661 (2).jpg
Maybe a screw from some eyeglasses would do, though my dollar store specials have even smaller screws.
If you really can't find one, shoot me a PM with your address and I'll put this in the mail for you; I've got more than a few from old focusers. Might cost me two bucks postage, big deal; but I'd be willing to help you out, no strings attached
BTW, that's a nice scope!!!
All the best,
- helicon
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Re: How Do I Fix This?
Yeah I would take out the other screw carefully and then take it over to ACE or some other hardware store. They have a pretty good department for screws of all sizes - wood screws, concrete screws, drywall screws, machine screws. I would guess it's a very small machine screw. Good luck with it.
-Michael
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
Latitude: 48.7229° N
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
Latitude: 48.7229° N
- John Fitzgerald
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Re: How Do I Fix This?
It's metric. Likely about 2.5 mm, but carefully take the other screw out and match at a good hardware store. If you find them, get a spare. You never know, it could come out again. If what they have otherwise matches, but is too long, it is easily cut off and cleaned up with a hacksaw and file.
Double and multiple star observer. Over 3,500 unique pairs logged.
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- pakarinen
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Re: How Do I Fix This?
You might also want to check some model railroad stores. There are vast numbers of tiny screws used in rolling stock, etc. My guess would be that a hobby shop that carries RC planes would have a good selection also.
=============================================================================
I drink tea, I read books, I look at stars when I'm not cursing clouds. It's what I do.
=============================================================================
AT50, AT72EDII, ST80, ST102; Scopetech Zero, AZ-GTi, AZ Pronto; Innorel RT90C, Oberwerk 5000; Orion Giantview 15x70s, Vortex 8x42s, Navy surplus 7x50s, Nikon 10x50s
I drink tea, I read books, I look at stars when I'm not cursing clouds. It's what I do.
=============================================================================
AT50, AT72EDII, ST80, ST102; Scopetech Zero, AZ-GTi, AZ Pronto; Innorel RT90C, Oberwerk 5000; Orion Giantview 15x70s, Vortex 8x42s, Navy surplus 7x50s, Nikon 10x50s
- helicon
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Re: How Do I Fix This?
Good idea.
My local ACE has a train department - they carry Lionels, Bachmann HO, N gauge and so forth.
-Michael
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
Latitude: 48.7229° N
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
Eyepieces: Various, GSO Superview, 9mm Plossl, Celestron 25mm Plossl
Camera: ZWO ASI 120
Naked Eye: Two Eyeballs
Latitude: 48.7229° N
- Refractordude
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Re: How Do I Fix This?
When you do find a replacement screw, be sure to use a bit of blue loctite do keep it from wiggling back out again. Also, these thread are probably easily stripped, so easy on the torque, and get your confidence from the thread-lock glue to keep it in place.
--Russmax
--Russmax
----------
Celestron AVX 8" SCT & Omni XLT 102 AZ
Celestron AVX 8" SCT & Omni XLT 102 AZ
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