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Spirit have announced that they are working on GPS integration for the spirit. This will require a new GPS receiver but that is expected to be quite low cost (about $40). This brings all sorts of possibilities such as position and altitude hold in rescue, return to home, 'hard deck' and lots of...

Nice looking heli! I like the modular drivetrain approach, similar idea to the Goblin. As for tidying up the wires.. You either have to bundle the extra wire up as neatly as possible, and live with it, or cut the wires. If cutting then as a rule cut the ESC wires, not the motor wires. Most...

A wet fuel heli (glow, gas, turbine) will generally give you a longer flight time than electric, though gas probably has the potential for longest flight of all. This is purely because liquid fuels store much energy per unit of mass than batteries, plus combustion engines draw part of their fuel...

D.O.G. I've no first hand experience of the ALZRC 450 Pro but my impression is that ALZRC is one of the better quality clones. For $72 that one looks like a good buy, plus it has the conventional FBL head which with it's longer main shaft should be better than DFC for a scale project.

Transitional lift happens whenever the heli has any forward speed through the air. It can happen just the same flying 'downwind' or 'crosswind'. It's the speed of the heli moving through the air that counts. It's easier to control the up and down 'ballooning' with a collective pitch heli.

bummer... can you borrow a ball from another heli or your spares stash? By spooky coincidence my Trex 700X has been grounded for three weeks for the sake on one 5mm ball with a 2.5mm thread.. These things are like hen's teeth. I eventually tracked one down at the main Align distributor in the...

I think it works a little differently over here in that most people don't need to do tax returns, they just take it off you every month... but your eyes would really water if you had to pay our taxes:censored: UK tax system: Employers national insurance = 10% (this is a tax on employers for...

Tail wag in fast forward flight is gain too high... that's the easy one to solve, the instability is a bit trickier. Gyros pretty much don't 'go south'.. or at least if they do they usually stop working entirely, so I think you were always likely not to improve anything by changing the FBL. So...

Thanks for the support and suggestions. Batteries are something else I'll need to ponder. I have four 6S 2600mAh but they are right on the upper size limit and will be on the heavy side. I'll probably buy a couple of 6S 2200mAh

Thanks for confirming that Tony, I thought they looked to similar for it to be coincidence.

I understand that they have tweaked a few minor details, but yes, basically it is a direct clone of the Goblin. The word elsewhere is that it may even be better quality than the original, but I'm not making that claim as I havent even seen it yet. I did just get a shipping notification so it is...

It's named after it's blade size, the kit comes with 420mm blades.

Hi Derek, They are a interesting design, very low parts count, nice and simple. I like the 420 even more than the 380 as it should have lighter disk loading so fly at a fait bit lower headspeed.

I got a great surprise yesterday, those nice people at BangGood asked me to do a build review of the new ALZRC Devil 420 FAST:D So I've not got the kit yet but it's sitting ready to ship in my BangGood account, so hopefully it will be here in a week or two. This is the heli for those who havent...

The little Badger brush airbrush only has one size of needle, it's really for doing artwork, not the sort of painting I was attempting. I cranked the air pressure all the way up to 60+psi which helped a bit but still it was a struggle. I did manage to get a coat of paint on, but it took ages and...

I've been playing with my airbrush too, my son built an electric guitar when needed painting. I used acrylic paints first time round which was a bit of a disaster because it wouldnt fully dry. Even after leaving it for weeks gripping the guitar would leave finger marks... So all the paint and...