Lumenier RB2205C-12 2400KV SKITZO Ceramic Bearing Motor
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Old Jul 20, 2012, 07:40 AM
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Originally Posted by sir_clive View Post
Hi Tref,

I think the idea with a watt meter is a very good one indeed. Almost a must.

I'm sure you know that, but if this motor can really pull 600W with your prop, that would give some 50A current on a 3S lipo. Which ESC are you using?
The 600W has so low KV, that it will never draw 50A with the suggested 6x4 prop. 12A-15A @ 3S is more likely, and thrust may be so much lower than with the stock motor, that the plane will struggle to fly with the added weight. I suggest using a 6x6 prop, if you want to get some speed into the plane (which is required by the higher weight).
Last edited by mike_o; Jul 20, 2012 at 07:45 AM.
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Old Jul 20, 2012, 02:15 PM
marcos freire is offline
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Personal another video with my AXN CLOUDS FLY, now with camera on board and out board, check that beautiful landscape with a waterfall and mountains right! it is in the Chapada Diamantina in Bahia, Brazil, who are more interested in the region, do a search.
hug to all and good flights


Axn Clouds Fly (5 min 33 sec)
Old Jul 21, 2012, 11:25 AM
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Wow this is one of the most impressive on board video that I've seen, beautiful landscape, sweet song and stable flight, very nice! very nice.Thanks for sharing.

Edmond
Old Jul 21, 2012, 06:00 PM
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Wow this is one of the most impressive on board video that I've seen, beautiful landscape, sweet song and stable flight, very nice! very nice.Thanks for sharing.

Edmond
Edmond hello, thank you, really is a beautiful landscape, and super quiet flight, riding over to a video of the best moments of this day of flight, you'll like it even more, I approximate images, it was great. hug to all
Old Jul 21, 2012, 10:03 PM
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OK Marcos, now I'm going to have to take my AXN up to the Blue mountains here and fly it around the Three Sisteres to have a chance of matching that! There is also a very large open archway at the Jenolan caves that would be quite good to fly through, and maybe under the Harbour Bridge?
Old Jul 22, 2012, 02:51 AM
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Snapped my axn in half soo I combined it with a heli canopy and some glass. Gonna need some heeeeavy sanding
Old Jul 22, 2012, 03:42 AM
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Originally Posted by dcame002 View Post
Snapped my axn in half soo I combined it with a heli canopy and some glass. Gonna need some heeeeavy sanding
The only issue with making the nose so strong with the fiberglass is that you lose any shock absorbency - crumple zone.
In the event of a crash all the shock is sent further back.
this when the motor mount breaks away from the pylon and the tail boom cracks/breaks just behind the pylon.

Ask me how I know this...

After numerous crashes I had fully re-inforced the nose of my CF with carbon tow and epoxy.
The last crash left the nose in only a small about of buckling and lots of damage further back.

Just a thought.

Cheers
Old Jul 22, 2012, 05:03 AM
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Mmmm. Why not an overall exterior fibreglass to the fuse after the nose has been re-inforced?
I mean a fine weave glass applied with that super easy water based stuff - polyurethane (e.g. Minwax or here in Oz Haymes polyurethane.)

Add a reasonable amount of talcum powder or micro balloons to the polyurethane so that the weave is filled and gain a nice smooth, but STRONG finish

Great also for stopping hangar rash on any foamy. I do wings too because when the polyurethane dries it adds very little weight

Kev
Old Jul 22, 2012, 05:12 AM
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Originally Posted by dcame002 View Post
Snapped my axn in half soo I combined it with a heli canopy and some glass. Gonna need some heeeeavy sanding
Yeah. I'm trying that idea too. Ordered one of these http://www.hobbyking.com/hobbyking/s...dProduct=13327

Think it will add strength. Have you found that it gives more space?
There is a vent at the bottom of the canopy, so it's necesary to cut a hole in the foam to get airflow

Kev
Old Jul 22, 2012, 06:43 AM
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But you can buy the actual AXN replacement canopy for only $1.70.
Old Jul 22, 2012, 06:50 AM
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Yes, thanks, but it is just not a canopy I need

I'm interested to see how it goes for more protection to the nose

Kev
Old Jul 22, 2012, 07:02 AM
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Mine had a full on nose-in crash, albeit into quite soft ground, with power on while trying to recover (it happened after some rather wild aerobatics not enough mistakes high, but I still don't know why I couldn't recover it). The tail snapped just behind the pylon and the motor fell off. But the nose only deformed and came back to normal with the hot water and spoon treatment. Maybe no reinforcement is better?
Old Jul 22, 2012, 08:22 AM
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Originally Posted by richard9999 View Post
But you can buy the actual AXN replacement canopy for only $1.70.
I use plain canopies like this, sometimes under $1

http://www.hobbyking.com/hobbyking/s...Canopy%5F.html

I cut nostrils to match the holes in the axn. Use Velcro on the tabs to hold it in place. Makes it removable with lots of space inside.
Old Jul 22, 2012, 11:13 AM
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Some video from this mornings AXN flight.

AXN Floater-Jet (8 min 22 sec)
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Old Jul 22, 2012, 11:37 AM
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But you can buy the actual AXN replacement canopy for only $1.70.
I would have used the plain canopy, but the whole front of my plane was destroyed. I plan on lightly glassing the rest of the plane and the pylon where the motor is attached.

The fiberglass canopy area is still slightly flexible....less flexible than epo, but much more flexible that a fully molded model.

The ever handy dremel will be used to cut out a hatch