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kram

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Everything posted by kram

  1. So the broken part is no 14 in this diagram, the cover with the fixed shaft. 22 and 23 are the spinny bits and are retained by 24/25 that sit in the broken circlip groove. The shaft has a torx end but looks like its only for assembly purposes? Does the shaft remove from the plastic cover? I might be able to repair that easily, or turn a new one on lathe. Another option, if you measure and draw the part up in a CAD program, you could get a new one machined quite cheapily with https://jlccnc.com/ I've not used them myself but I know of somone who was prototyping a climbing device and he got them to make the parts.
  2. Not in the way that describes. If your going to try connecting the battery to anything to "jump start" it, it should not be another battery or high current device, it needs to be done with a current limit. This sort of thing, but it will need power from an 18v battery or similar https://www.amazon.co.uk/POFET-Buck-Boost-Programmable-Adjustable-Automatic/dp/B0D93WBZ7F There are more expensive ones that power themselves but for a one off use... https://www.amazon.co.uk/adjustable-switching-precision-charging-interface/dp/B09C8MT4KM You need to have it on constant current mode, 100mA. After 5 seconds, measure if the battery has taken any charge. Once its up to 20v, try it on the stihl charger. Fully charged is 42v.
  3. @Fatboy2017 battery packs are connected like this. The thin wires are for the BMS to monitor and adjust the cells and keep the voltage within limits. Your pack has 10 cells in series, so imagine that diagram went upto 10 and the thick red wire is connected on 10. Except the pack is doubled, so theres a other 10 cells that are connected exactly the same - so cell1 in diagram is two cells.
  4. Do not do the above. You may aswell pour petrol on the pack and torch it...
  5. Do you have a photo of the broken part?
  6. Yes some people do this. It can damage the cells and cause fires, sometimes delayed. The problem is some cells are likely near full, while others near empty. Large currents can flow when you connect two packs together and it can push cells well past there 4.2v limit. The only safe way to do it is with a balance charger as a pack, or by charging individual pairs to the same voltage, they need to all measure the same. It needs to be done at a slow rate, too. If you must, do it outside on a dry day, charge it outside then keep it in a weather proof box, outside for a few days or a week. If it does burn while your asleep, your house, family and tools will be safe. Anyway first thing is get a volt meter on the external tabs to see how much charge it has.
  7. Assuming the battery has no warranty, batteries can usually be recovered. Lithium cells like to burn if not used properly so this takes some care. Do it in a fireproof, dry place. AP200 is a 20 cell, 10 series 2 parallel battery, 10x 2.5Ah cells in series to get 36v, two rows of 10 in parallel to get 5Ah. The first check is using a multimeter on the + and - tabs, what is the overall battery voltage? Chargers usually refuse to charge cells that have dropped below about 1.5v. With the battery opened up, the next check is how well it is balanced - check each pair and note it down. If any are below 1.5v they need to be charged slow, at 100mA or so. Buy a cheap RC charger - few go up to 10 cells so you will have to individually charge every pair, or you could charge 5 pairs at a time with balance leads. Once its recovered it should charge normally on the stihl charger.
  8. Archery trigger arrived for the catapult 503 - Service Unavailable Error WWW.AMAZON.CO.UK
  9. My meaning was waterproof jackets, I'll often wear a fleece if I'm standing around waiting but if its wet, its not going to help and I'll leave it in the car. Yes weather is a lot easier here in the south. Its hot weather that I have more problems with.
  10. kram

    First Chainsaw

    To add to the futility, I'd suggest starting with a cheap ones, they are not bad, you need to learn maintence, and its useful to have saws of different sizes. Lidl 53cc 18" for £60 Farmertec G2511 25cc Echo clone for £90 G111 020T clone for £230 G372XP or G660 clone with 20-28" for £300 £680 is not much more than your budget but would set you up for most work. My list is pretty similar to the above except I have a genuine Echo 2511 as well as the clone, a genuine 020T, and a Mcculloch cs340(Husky 235 but black). Also a battery Makita UC002. I'd avoid used, they are all battered or stolen.
  11. APTA appears to be a bog standard potato air cannon made from 2" plumbing pipe and fittings, but they added a little ziptied handle to justify the $400 price. A common tyre fitters tool is the 5 gallon bead blaster. In theory they are proper rated pressure vessels, just needs a bit of pipe for the launching barrel. It is far too big, dangerous with that much air. Theres a smaller version. 3L of air should be plenty, but 9L might only need 30 or 40psi, and I suppose that might be safer over all. Lower pressure may need a longer barrel. I'm thinking I will try a small blaster cannon, and a clone of the bigshot.
  12. Its a bad idea for somone new to chainsaws, to jump straight in with a 70cc, cutting 3ft diameter logs. Suggest you get some experienced help for it, or atleast some basic training if you havent had any! When Farmertec had an offer, I got my G372XP clone for £151 delivered. Prices have gone up a bit, but I'd buy one again. Items for sale by machinerypartstore | eBay WWW.EBAY.CO.UK Shop eBay for great deals from machinerypartstore! However the G372, on bigger stuff, is not the quickest saw. Possibly a G660 or G395. Or G3120 is tempting. G660 92cc Gasoline Power Head 28inch 92DL Bar Chain For MS660 066 | eBay UK WWW.EBAY.CO.UK 1PC 92CC Chainsaw Power Head. Chain Sprocket Standard 7 tooth 3/8" pitch. Total Mass Without bar and chain 8kgs. Guide Bar 20", 25", 28",32" or 36"...
  13. How big are the trees? I see from your other posts you may have quite a bit to process. Which Dewalt? You should also be wearing protective boots and trousers. If the biggest stems are under 14" then a light 35cc saw will be easier work. If they are upto 20" then a 50-60cc saw would work well and do the smaller stuff no issue. If theres a lot of it above 20" you may want two saws, a small 35cc to do the majority of the smaller cutting and a 70cc for the bigger stuff, or just a 70cc.. it will do small stuff but they are thirsty and heavy, you will feel if it using it all day.
  14. I guess you can. https://makerworld.com/en/makerlab/makeMyStatue/
  15. My aim is great, power great, timing shite, and you need all three for throw bags. I could likely get better if I spent days practising and was using it often, but once a month with an often difficult throw, no chance. I'm thinking I will make up a big shot or air cannon instead.
  16. If your telling me the choice is to buy ten 30 quid folding bags, two £130 quid bags or a £300 crossbow, I'd take the crossbow, would save a lot of time from missed throws! Ok what do we think about this, https://www.dogandfield.co.uk/gundog-training-equipment/dummy-launchers/rrt-dummy-launcher/ https://www.dogandfield.co.uk/gundog-training-equipment/dummy-launchers/dummy-launcher-dummies/pvc-launcher-dummy/ .22 Cal Dummy Launcher Blanks WWW.DOGANDFIELD.CO.UK .22 Cal Dummy Launcher Blanks: Available in three power ratings (Green, Yellow and Red) delivered across UK by Dog and Field: #1 in Gun Dog supplies.
  17. Looks shite. Seems they did it last year as well.
  18. PLA is fastest, good for indoor stuff, easiest, start with that, but it softens above 50c, it will melt in a hot car. Lots of colours available. My blue and red stuff is PLA. PETG is stronger, stiffer and better heat resistance. A customer had a saggy driveway gate, so I printed this wheel to stop it dragging. Should last for years outside, longer than the gate I think. My black, white, geen and dark blue is PETG TPU for flexible stuff, not tried that yet. ABS if it needs to be resistant like PET but glued or painted, or repairing existing abs items. I have not tried the high end ones, they can get expensive.
  19. Yes you could. Resin printers are better for detail tho. I now have chain storage boxes And this little gadget to stop my phone getting lost in that gap between the seat. And a battery holder thing
  20. PJ's at 7pm? Are they special arb PJ's? I want one of these. The line is stored on a fishing spool and should wind in neatly between shots. A shame those crossbow murders happened, they are now outright banned as offensive weapons? I cant get over £80 quid for a folding bag, if arbs are willing to spend that, no wonder harnesses, friction devices, spikes and every other functional item is 400 quid plus.
  21. Do you have a pic of the lever mechanism? Can one not simply chop off the linkage that goes to the second lever?
  22. Anyway I use a pop up laundry basket from poundland, works well enough. I did buy a somewhat more durable pop up garden bag to replace it, but I havent thrown since.. I'm shite at throwing. I'd like to get or make a compressed air powered potato cannon style launcher, or even propane powered launcher, but I am unsure on the legalities of making such a cannon.
  23. kram

    Jokes???

  24. I'm waterproof, I dont wear jackets. They tend to make you sweat and then your soaked through anyway.

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