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Chris Bott - Moderator

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Posts posted by Chris Bott - Moderator

  1. Pete I've also spotted a NOTAM B1639/22 covering RF jamming activity. 

     

    I'm not versed in interpreting these but it appears to say that RF jamming could cover a radius of 20nm of Birmingham.

     

    FROM: 22 Jul 2022 06:00 GMT (07:00 BST) TO: 09 Aug 2022 23:00 GMT (10 Aug 00:00 BST)
    SCHEDULE: 0600-2300

     

     

     

  2. On 11/07/2022 at 06:44, leccyflyer said:

    Those were indeed the days - Greenacres was one of the highlights of the electric flying calendar and a marvellous couple of days out. I remember being super impressed with your modification of the Balsacraft Spitfire, to incorporate a battery hatch, rather than having to take the wing off.

    chrisbottspitfire.jpg.7617215636dc681aeeac8ad81495f3a5.jpg

    Ooh I should dig that out again, it's quite a while since it flew. Was that the fly in where it gained a new takeoff dolly from you? 

  3. @dhendley Is there anything that can be done about the formatting of the mobile version? 

    For me, using Chrome browser on Android, the ad banners appear to be pushing some of the page far over to the right. 

     

    This means that clicking the "three bars" to see some menu options, the menu appears way off screen to the right. It's really not obvious where to look, until you finally work it out. 

  4. Like the article or not, his point is valid - that if glitches or loss of control is in any way possible by the closeness of a phone to the Tx, and, mitigating against it is as simple as having your phone in your back pocket rather than the front, then why wouldn't you? (A metre away would be far better but hey..)

     

    I'm sure there's been more than one loss of model over the years this way and expect that there was usually no explanation ever found. 

     

    Who remembers putting a mobile phone next to a hifi amp and getting a horrid noise from the speakers as a call comes in? 

  5. I think a bi-directional one would do, Brian? If memory serves me correctly, you'd just need to set the offset voltage to suit, probably to half supply volts?

     

    A quick eBay search found this in the UK (and plenty offered from China).

    https://www.ebay.co.uk/itm/CJMCU-CJMCU-758-ACS758LCB-050B-PFF-T-Linear-Current-Sensor-Hall-Current-Module-/163353797118?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l49286&mkrid=710-127635-2958-0

  6. Martin I think the issue of inserting image using it's URL is often caused by the website that hosts the image not allowing it.

    I've just failed when trying this option using urls from two different sites and finally had success with a third site:-

     

    spacer.png

     

     

  7. I find the Ender 3 magnetic flexible build plate better for adhesion than a glass one.

     

    It's best kept scrupulously clean with IPA.

     

    No touching / leaving even the slightest greasy finger prints. 

     

    No hairspray, no glues or tapes. 

     

    Leveling is very important too. 

     

    I replaced mine after about 18 months. 

     

    PS

    There is a self leveling (a bit of a misnomer) 'add on' available but fitting it is far from trivial as it requires an Ender 3 software change. Software is yet another hobby all in it's self and getting that wrong can render the machine inoperable.

     

     

  8. I used Cura for a very long time and then tried Prusaslicer just out of curiousity and because they added a printer profile specifically for my Ender 3 pro. 

    I've never gone back. 

    I found the profile almost spot on, I think I just needed to increase print temperature a bit. 

     

    What you'll find with any slicer software is that there are 1001 parameters that can be adjusted to get the print quality you want. It can be quite a task with lots of failed prints and head scratching untill all the important parameters are right for your machine. A baseline setup for your printer model is always a useful starting point and a good thing to go back to when things start going wrong. 

     

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