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I'm not sure yet. Hot glue is the easy option, and will probably work, although I'm not sure I'd trust it's adhesion in the case of a gasser heli. I have also recently learned that using hot glue to "pot" a circuit board is not a good idea, as it shrinks as it cools and can actually harm...

Hi Chuck, I did. Had a busy weekend but will try to get back to you shortly. :)

Yes, it is surprising to me too. I know they have worked on an HV solution, but just haven't brought it to market. They are definitely focused more on the Iris-type systems, as they are high volume. Though after bringing Colin Guinn onboard, I would have thought he'd want to make an S1000...

I don't actually think that foam will help that much. It would take something more sophisticated than that to make it vibe free. And fact is, that no matter how minimal the vibrations are, it's just a matter of *when* not if that battery falls off. It's a mass, held only by two thin strips of...

Yes, it's very common for helis. It's because the moment of inertia in the X (along the boom) axis is quite a bit higher than the Y. The Rate PIDS always end up quite asymmetric for similar reasons. No autotune for tradheli unfortunately. But I can usually tune them up in about 30 minutes...

No news from me. I posted a video from two weeks ago using spline nav. There are plenty of other people flying multis with it though, just not posting here.

It's not a "new internet" language thing. ;) One thing this project has done is expose me to lots of people from other countries. Especially Australians... I'll be calling all my friends Mate pretty soon. I think chuffed is British. ;)

Good. :) Flew 2 tanks today, over 20 minutes each. I have it totally dialed in now. I accidentally hit 108 km/h just tooling around. :highly_amused: Have to recalibrate my brain to the scale of this thing to judge speed. Vibrations are quite low: That's actually very surprising. Better...

Very chuffed with this:

Most of my experience is from larger motors. You're probably right, that in the under-100cc class, maybe it's not possible. There might be economies of scale for the valve-train that just don't work out for small engines. But in larger sizes, a modern, fuel injected forced induction 4-stroke...

Ooops, that should have read: Where are the gimbals for sale? I love prop mount on the M480L. How brilliant is that? Align knows how to run a CNC machine, you have to give them that.

4 stroke doesn't have to have a worse power/weight ratio than 2-stroke.

I love injection! Carburettors are Byzantine technology! Definitely sounds like an interesting engine. Even better if it was a 4-stroke.

Oh, and in other news... a new era of Arducopter has begun. I've finished construction of a prototype gas-powered SRH, and successfully completed initial test hops this week. This is an 800-size machine with a Zenoah G29RC engine. My target for the project is to be able to fly with a 10kg...

Yes, but actually that is a reason you should consider open source. So right now with Arducopter, you have the ability to pay somebody for any level of service you want. You can take free forum support from "the other place" where you tend to get people who have no idea what they're talking...

Oops, sorry, well there's this one: http://www.hobbywing.com/product_show.asp?id=192 And this one: http://www.hobbywing.com/product_show.asp?id=189 I've used both, in a 500 and 600 heli respectively.

Yes, that's my understanding. My opinion on clones is basically this. 3DR is the only flight controller company that funds the development of Arducopter, the software that makes the hardware do something useful. Without 3DR, you wouldn't have any option in this price range, because the...

This Hobbywing might work. Probably won't do SimonK, but you probably won't need/want that on something that big anyway. http://www.hobbywing.com/product_show.asp?id=308

You should probably be concerned that you have a clone. ;) Just kidding but... I can't speak to the quality of clones. But to answer the question about the battery, it's main purpose is in the future to allow in-flight reboots. It's not possible now on Arducopter, and I'm not sure if it ever...

jfro, yes, barely a day goes by without me wondering when either Amazon or Google will just buy out 3DR. I just hope I get taken along for the ride, though that seems less and less likely. Anyway, if they do buy out 3DR, they cannot close-source the software or existing hardware designs. The...