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About tteedd

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    Video Astronomy
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  1. Thanks Steve I have (as you see) a v old second hand 2.7m dome. It has a skirt from the dome inside the structure and there is a large amount of play between dome and wall. I have some 12V dc golf trolley motors and gearboxes which should provide plenty of motive force. I did try a lash up (a couple of years ago) with rubber wheels directly on to the fibreglass. This just ripped up the rubber and I concluded that I needed some form of rack. I have been Thinking of sliding gate gear but something similar to your system may do the job. Due to the afore mentioned play, I think I may need to provide some guidance and was thinking of two motors equally spaced (120 deg) with a dolly that I can later use for measuring movement in the third position. Perhaps there is someone out there who has already done something similar on a dome like mine?
  2. Hi Steve Where did you get the rack and pinion? Ted
  3. Look at: 'Synscan wifi module help' thread.
  4. As it was clear and despite the almost full moon I decided to power up the rig and play with my new tablet. To my horror it 'dumped me out' to borrow an expression from another thread on this subject. ie the synscan app closed down as soon as I connected leaving me on the main screen (apps). Having some experience with my previous tablet I re-opened synscan, went to the settings screen, then pressed connect. It connected OK, stayed connected and worked perfectly when I went back to the control screen. Spent an hour looking at various targets then 'hibernated'. Something that Skywatcher has done to the software means that if you load the current version these problems are worse than they were. If your pad is working well I think you would be well advised not to reload Synscan at the moment.
  5. I have had to upgrade from an Android 4.4.2 device to an Android 6.0 device to get mine to work properly. I have reported elsewhere, but in short I have always had minor problems with my 4.4.2 pad which got worse (but I love the wifi unit when working). Reloading the syscan software meant that it would not work at all, but it worked with my 5.2 phone OK. A new 4.4.2 pad did not work either. I now use a 6.0 pad and it works perfectly.
  6. Now using a pad running Andriod Ver 6.0. Synscan runs perfectly.
  7. I now have a tablet running Android 6.0. It seems to run synscan perfectly! If you are thinking of buying a wifi device, check that your andoid version is not 4.4.2 All I need now is clear skies!
  8. Hi Brown Dwarf I never push my 250p. It has always been less accurate on 'goto' than when you slew it after having pushed it. Somewhere on one of these threads in the distant past there was a tech discussion on the reason for this. I always slew using the handset or wifi unit. I have other problems related to pads I have been using with the wifi unit but, with the unit, I find that accuracy is very much improved and not being tied to the rig is a massive boon in my obs.
  9. Hi I have had the wifi module for 8 months. Most of the time I have been very pleased with it. Synscan is more accurate using it and it is good not to be tied to the rig. I have had to put red screening over the display on my pad and over the green LED on the wifi unit as both disturb my night vision. Firstly - my pad had a habit of changing back to my house wifi, so ensure that it has remained on the synscan wifi unit. Secondly - my pad had a habit, originally very occasionally, of reporting 'sysnscan has stopped'. Sometimes I overcame this just by starting again but later had to go from the sysnscan app to settings, wifi and turn connection off and on again (upping the retry number also helped). Over time this got worse (although I could control OK with my mobile phone - I have other problems with this - but connection and use is perfect). Recently I bought a new cheap pad from Amazon. It had the same problems as the first pad. When I looked the Android version was 4.4.2. I have sent this pad back and am at present thinking of buying a better pad with a different Android version number. Good Luck
  10. Never rains but it pours! Ordered a new cheap tablet from Amazon. Super looking thing, only problem is that it refuses to run sysnscan! 'App not compatible' Wasted another few hours with this and now it is going back. If anyone can advise me on getting the original tablet to work properly I would be grateful. Other-wise please let me know cheap models that work and their android version No. Thanks
  11. Seem to have it working now. Settings/connections Upped retry times to 5, no change. Turned find devices off and on again. Now connecting and working OK. See how it goes for real? ……………………………………….. It did not go! Firstly although working the numbers keyboard did not come up when clicking to input Messier/ngc/etc numbers. Then when re-started the old problem came back.
  12. Hi I have had the Wifi adapter for some time and used it for several months with a cheap android pad. Then, first occasionally and then permanently, the pad/ap started giving the message 'Synscan not working' and switching off when the message is acknowledged. Tried all sorts of things with the pad including removing all apps not wanted and reloading synscan app with no solution. So I have loaded the synscan app on my phone and it works OK. Anyone else had, or better still overcome, this sort of problem with a pad? Ted
  13. Hmm, Drip-strip. My ancient model does not have one. Perhaps it was never fitted. What was fitted when we dis-assembled it was a strip of stainless steel around the lower edge. I did not re-fit this but just taped the holes. I had assumed that in the wilds of yorkshire the wind had been blowing rain in. I have not had water [drips or rain] in by this route and need to fill and gell paint the holes some time. I'll fair the surfaces at the same time. Then look more into adding a drive.
  14. Mmm. Having given advice I'd better get on and do mine now! I'm getting closer to finally powering rotation so it would be better if it didn't sound like Clapham junction.
  15. Hi All this seems highly complicated to me. I bought my old Pulsar 2.7 m Ob's online. It was in Yorkshire and we had to move it to Hertfordshire. My daughter, son in law and myself easily lifted the dome off when we were diss-assembling it. I got two neighbours to help lift it back on when I had re-assembled it. I went through this procedure twice as I decided to drop the height by taking a ring of sections out. Later, when I wished to take the dome off again, I got three golfing friends to help. It sat on the lawn for some time and showed no sign of lifting when it was windy. I'm contemplating access to the rollers and surface but intend just to lift it up onto wooden blocks and expect to accomplish this on my own. Last time I had anything to do with Acrows they were nasty heavy things, necessary for supporting the roof while part of the wall was taken away, but not the sort of thing I want anywhere near my glass fibre pride and joy. If you were near me I would offer to pop round and lend a hand. How about asking at your astro' society? Ted
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