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Still playing about with the printers. I've recently bought an Ender 3, great little printer imo. The original acrylic framed i3 I had has been recycled into a much more Prusa style with MK2 parts on the whole. The ender 3 prints every bit as well with no tweaks, the original printer has been vastly modified. I make a lot of odds and ends as well as a few quad parts.

A few other bits, Naze32 10DOF flight controller with wiring kit with GPS module and Light and buzzer module. New and Unused. £20 delivered Micro OSD New and Unused. £3 delivered ZMR250 PDB New and Unused. £5

I've had this for around 5 years and not used it for 4! Time to accept I can't fly for toffee and allow it to move to some one that will appreciate it more. Flame Wheel 450 Frame & spares Dead cat clone frame APM flight controller and compass & buzzer Plush 30A esc EMP 750kV motors Props between 9 and 11" If collecting I can supply 2 2650mAh 3s batteries Google Photos APM 450 All worked when last used and have been video'd in action this very morning. No radio as I sold it with another quad. £110 ono delivered or even trades for crawler stuff.

Get a soldering iron on the screw to break the threadlock down. It will take a few minutes to get the area hot enough. What drive shaft is it? Punishers use a heavy duty threadlock which I think is unsuitable as I've heard many have trouble with it. Prepare to use a small torx driver as a sacrificial tool, hammer it into the hex and give a small prayer to the RC gods!

Go big or go home!! I'm in the process of gathering all the bits for a 1m tall kossel with a duet powered board. I'm hoping for around a 500mm build height - I probably should have just done this in the first place but never mind Have half of it and other half in the post still. How's it printing Baorevo? They have a serious cool factor built in.

I'll pm you

Yep still got it.

I've just got myself a new tablet, have no need for the subscription. Any use to anyone for £10? Rather not deal with ebay It will be the 25 digit code only. Must be registered before 15th August this year.

Nick, has the connector become damaged with that 'landing' from the last time out?

The AliExpress machine seller, Hesine, can be a little hit and miss and support isn't great - but - I don't think you could buy the parts for the money they charge. Not 100% but you do save some cash if it works in your favour. As for the UK ebay listings, it's less risk as you should be covered with a UK warranty but go back a few pages to see how how hard the seller of TamiyaCowboys' printer wriggled to avoid giving him his money back - oddly with Amazon involved :/ Toss a coin. Best of 3?

The stepper motors control the accuracy by and large, these tend to be 200 steps per revolution and have 8 or 16 'micro steps' between the individual steps. They should all perform as you ask them. Where the control may be required, the filament is usually fed at 100% this can be adjusted slightly. I find my prints tend to be a little over size but I'm quite happy to file the parts to fit. I'm talking of maybe a thou' or 2 here, not much really. I could, if frustrated with the fits obtained alter the feed rate of the filament to marginally print less material, say 95%? If it's out by more than that then you can configure it further in the firmware for the board. You will most likely find it's the Melzi board at this price point. As for amount of printing per kg, pick up a plastic part for one of your rc's, weigh it. A kilo of filament goes a long way.

There's a couple of listings, but I'd imagine they're from the same source. These seem to have done away with the Aluminium bed that the Aliexpress one a few of us have and also they don't have the 2 x 1kg of filament. So the price is similar but it's not quite to the same spec to what a few of us have. If you can wait a fortnight, the aliexpress one will set you back about £200 inc DHL's fees and VAT. The trade off of a plywood frame is they can absorb moisture from the environment. But an Acrylic frame can crack so it's a case of which is better for you? Suitably sealed the Ply would have been what I'd have gone for, but the option wasn't there for me at the time. The acrylic frame has been fine so far but I would much prefer an aluminium or steel frame, which if you can find a kit with either would be a better bet. If you go cheap because you're not sure about how much you'll use it, then fine, that's what I've done. But if you're confident you will be getting your hands dirty with one and can justify it then spending more is definitely going to pay you dividends. I'm happy with my i3, got it printing what I want, how I want and when I want..... but.... should I have gone for a better spec'd machine from the off? As they used to say on blind date (reference or what kids?) 'the choice, is yours!'

ebay has a number of Prusa i3's in the UK for ~ £160. They look as good as any other i3 for the money and have a plywood frame which may be better than the acrylic frame. If you're confident enough to build a RC kit these shouldn't throw up any problems.

is the carriage / bed running along the guide rods smoothly enough? You can move them around by hand easily with no power to the printer. Repetier allows you to switch the power off to them too. A picture of the error may help too. I refer back to this for any issues.