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  1. Steve_B

    Yippee! Charging The Lithium Polymer Beast

    One thing to bear in mind with any lead acid battery is that when you pull high amps from them you do two things: You reduce the Amp hours available from the battery You shorten the battery life Most people reasonably assume that if you have a 125 amp-hour battery and you pulled 125 Amps from...
  2. Steve_B

    How many years have you been in the hobby?

    I genuinely cant recall a time when I didnt do some form of aero-modelling. My dad always had a workshop for plane building so basically I was in there from being old enough to walk, knocking up chuck gliders from scrap balsa. It was freeflight gliders, rubber power and i.c. power at first, some...
  3. Steve_B

    Question? Thunder Power 3s 2250 Lipo

    I doubt its faulty as such, just that some chargers seem to sometimes make a bit of a meal of balancing a battery. It's not usually a huge deal, just let the charger do it's best and providing the cells are reasonably close the pack is good to use. Of course it could still be the battery, give...
  4. Steve_B

    Question? Thunder Power 3s 2250 Lipo

    IMHO it most likely says more about your charger than the battery. I had (still have) a cheap Turnigy charger, which considering the price was ok, but it occasionally did exactly what you describe, it just took forever then ultimately failed to balance and top up a battery. Usually I just went...
  5. Steve_B

    HeadsUpRC FirePower 46 Sport

    As per the recent discussion in another thread.. I've been running one of these motors with a Xoar 15x7 pulling over 65A. It's got about 40 flights without any issues. Motor runs reasonably cool (but I am in Northern Scotland, your mileage may vary;))
  6. Steve_B

    HeadsUpRC FirePower 46 Sport

    Maybe it's right though I've never had a zippy perform anything like that good. My gens ace batteries are getting a bit long in the tooth and don't hold their voltage quite like they used to. they are still ok but just not quite the punch they once had. From memory i was getting about 1050W
  7. Steve_B

    HeadsUpRC FirePower 46 Sport

    Sounds like they did fix the collar problem. The one i had featured a shoulder on the collar with the narrow part obviously designed to pass though the hole in the cross mount, but the narrow part wasnt long enough and the wide part of the collar came into contact with the cross mount...
  8. Steve_B

    HeadsUpRC FirePower 46 Sport

    Very nice, How did you find the Firepower 46 motor? I'm running one in my 51" AJ Slick and it's doing great so far. the only issue I had with it is that it comes with a big retaining collar to fit the chunky 8mm shaft but it's too large in diameter to go through the hole in the cross mount (or...
  9. Steve_B

    CG setup for first flight of a new plane and pull-pull vs push-pull decision

    I understand. I didn’t intend to imply that you shouldn’t fine tune the CG to your preference. Personally I use the position recommended in the manual as a start point and just balance on my finger tips. I fine tune from there by flight testing. Each to his own though, as long as it works. It...
  10. Steve_B

    CG setup for first flight of a new plane and pull-pull vs push-pull decision

    Would you not consult the manual to see where it should balance as a starting point? Not all planes balance on the wing tube. On a few (especially edges with their straight LE) the wing tube position is may be bit tail heavy.
  11. Steve_B

    How many years have you been in the hobby?

    By 'in the hobby' would that be RC flying in general, or 3D flying? the answers would be 40 and two years respectively (I voted 'more than 10') I think it's great to try different branches of the RC hobby. Your main interest might be 3D (and I appreciate that's what the site is about) but it's...
  12. Steve_B

    Fly Low In "Middle East" --Joe flies for the Prince of Dubai"

    Yep, nothing in life is without some risk. Apparently falling out of bed kills 450 people a year in the US alone! Spinning props do need treating with a lot of respect though...
  13. Steve_B

    Fly Low In "Middle East" --Joe flies for the Prince of Dubai"

    One of the best things about RC model flying... you screw up and you still walk home;)
  14. Steve_B

    3DHS 42" Vyper Bype

    Thanks for the replies guys.. It's a good point that it should be the RTF price that I consider, and yes, the 60" models will no doubt end up costing quite a bit more RTF. It's still going to be $60 more than the 51" Slick but maybe that's worth it for the 'biplane novelty factor'. The KE...
  15. Steve_B

    3DHS 42" Vyper Bype

    Nice review, thanks for taking the time to put it together. I was really looking closely at the bipe before release but to be 100% honest when the price was announced my interest cooled. So can you give me your thoughts on why I might want to go for the Vyper bipe rather than the other...
  16. Steve_B

    inverted practice

    IMHO you need to get totally comfortable with 'normal' inverted flying before thinking about inverted harriers. Just spend as much time as possible doing inverted circuits and figure eights, simple aerobatics like loops and rolls starting and finishing inverted.. etc. Then try to coordinate...
  17. Steve_B

    3DHS New Products and General Plane Info/Help for Fanatics

    +1 on what Gary said. the first sign of a battery going down hill is when it cant hold voltage under load. it will charge fine and voltage check when resting will be perfect but put it under high load and the voltage drops, and if it's bad enough it will activate your LVC. Volrtage sag is also...
  18. Steve_B

    Castle Creations ESCs

    Your voltage seems to be sagging pretty bad. If you look at the traces for either flight as soon as you open the throttle, even with a fresh battery, your voltage is dropping to 10V or maybe slightly less. That's bad, a good 3s battery fully charged should hold about 11.4V under full load. This...
  19. Steve_B

    Twisted Hobbys/RC Factory 48" EPP Sbach - Build and Discussion Thread

    Just got an email today that one of the UK dealers is selling these 1.2m RC factory foamies at discount prices. They have three models in the 1.2m range: Sbach 342: http://robotbirds.com/catalog/product_info.php?products_id=7396 RS 352...
  20. Steve_B

    EF 48" Laser EXP

    Yep, I put 5 packs through it today. Top speed in level flight is similar to my old DM-2820 750kv, but it's now got unbelievable acceleration and 'punch' out of the hover (not that it was lacking before). It does seem noticeably quicker in the verticals too, with the increased speed pop-tops are...
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