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Need more info - which "gearhead mounts" are you referring to?

Having those bullets hanging out there in free space is probably not a good plan. They'll be subjected to all the vibration going on in the area. My guess would be that a connector is hitting a resonance point - resistance suddenly goes high which heats it up at that point, restoring contact...

Why? A small video camera attached to the hotshoe won't help you "frame" shots per se, since the field of view is going differ from that of the camera - "aim" shots, perhaps. But what's the problem with live view? What setup have you tried? When you say "electronic shutter" and "mechanical...

Good luck with that :livid: http://www.carbonfibertubeshop.com/cut%20&%20bond.html

The tubes look (from their website) like plain CF tubing - so no need to pay Tarot's price for longer versions - just source the right OD from elsewhere. Trying to graft extensions onto the existing arms will be a lot of work and would only work well if you get exactly the right fit for an...

I can strongly recommend the Wiha torque drivers - very consistent - this is not the sort of tool you should buy cheap, obviously. I'm surprised to hear of your problems. I've followed these folding props with interest - they have so many advantages and really want to use them on my next build...

IMO, there will always be a lower weight limit for this - the authorities will never have sufficient processing capacity (or will) to impose it on all aircraft. There is still opportunity to shape and guide the policy, especially in making sure that it is fair and workable - viz. the recent...

:) - "witness paint" - that's the official name I couldn't remember - thanks :) Forgot to add one point - as Old Man says, small hex socket screws are prone to rounding out the socket (particularly cheapo China ones and particularly if you use cheap tools). I greatly prefer Torx head fasteners...

Great info here - @Old Man is right on the money. If I may add a few of my own observations: - Totally agree with Wiha tools as the place to go for torque screwdrivers (but then I would, I'm a dealer for them:)) - It's worth emphasizing that "material matters" - aluminium, steel, stainless...

Forgive me for being cynical but... it's not glass - it's acrylic, a clear plastic ;)

You'll need to measure them - they'll be metric.

I use a small bench-top vice with smooth, flat jaws. The screw/washer arrangement shown above will also work fine. Sometimes I've been able to press the bearing home just with my fingers against the outer race - depends on the tolerance. What you're trying to avoid is pressing against the inner...

I think some confusion has arisen in this thread because I started out by criticizing the CAA's "batteries are not fuel" ruling but subsequently changed my standpoint. I now believe that it's correct to count batteries within the allowable weight - the problem is to not count liquid fuel...

Carapau - please re-read these posts: http://www.multirotorforums.com/showthread.php?21263-Sub-7kg-with-Movi-M5&p=177028&viewfull=1#post177028 http://www.multirotorforums.com/showthread.php?21263-Sub-7kg-with-Movi-M5&p=177275&viewfull=1#post177275

Yep - no argument with that - the issue is in the precedent set by the latest weight band being "7kg without fuel", contrary to all preceding weight bands established by themselves and EASA and representing, as it does, a separation from the core principles of public safety, with substantial...

I don't think you can be "too conservative" - this is all about reliability - the less you stress everything, the better its going to last. You do what makes you happy (or, at least, doesn't make you nervous) :)

IMO two (or even three or four) batteries is always better than one - if you suffer a cell failure in flight there's a chance that the other battery (or batteries) will get you to the ground safely. There's little need for the higher C batteries - you're never going to get even close to that...

Whilst you enjoy your break, I've been doing a bit more digging... Working on the basis of the lightest that a given aircraft will be during its flight obviously divorces it from any possible safety case since the maximum weight, and therefore the maximum kinetic energy of impact, is unknown...

Oh, not long - just the entire afternoon :) I'm hoping that someone can pick this up and carry it into a discussion/meeting with the CAA. The obvious best outcome for us would be that the 7kg limit was altered to define batteries as fuel and therefore in addition to the 7kg but, logically, its...

Thanks to that last wiki link and some further reading on the CAA site and elsewhere, I can now see clearly that the CAA has got it's knickers in a twist over this weight issue. The only "official" term I can find applied by the CAA to UAS is "operating mass". This term is defined by CAP696 as...