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Old Nov 07, 2007, 03:05 PM
Flying Kiwi
MisterNiceGuy's Avatar
Blue Mountains, Australia
Joined Apr 2004
1,271 Posts
mark, fantastic concept....I am watching with interest!!
Tony.
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Old Nov 07, 2007, 03:25 PM
Flying Kiwi
booma's Avatar
Wellington, NZ
Joined Apr 2005
804 Posts
MJ here is a camera that should do the trick www.red.com
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Old Nov 07, 2007, 03:47 PM
Part-Time Super Hero
MarkJayne's Avatar
Aberystwyth, UK
Joined Sep 2004
3,289 Posts
Quote:
Originally Posted by booma
MJ here is a camera that should do the trick www.red.com
Mmmmm, not quite sure the Mrs will stretch that far What am I talking about, I KNOW the Mrs won't go that far.

Anyways, I checked out the CG using my 3s 3700mah, and I'll need an extra 200g to get her to balance. She works out at around 1380g AUW with the CG right, so that'll mean I could easily get a camera up front and still have the CG right.

Hey Tony, didn't recognise you with the new avatar.


Mark
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Old Nov 07, 2007, 04:06 PM
Not THAT Ira
Real Ira's Avatar
Coupeville, Wa
Joined Jan 2006
4,722 Posts
Mark,

That is very cool!

And it will be a snap if you need parts.
Looking forward to see how that works out.

Ira
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Old Nov 07, 2007, 07:41 PM
Promoting Model Aviation...
Murocflyer's Avatar
United States, CA, Tehachapi
Joined Nov 2005
25,456 Posts
Quote:
Originally Posted by MarkJayne

And while I'm here. I think my Nikon 3700 has really come to the end of its days, I can't complain, she's had some abuse over the last 18 months. So I'm looking into a new camera for Christmas (Mrs Jayne treat). I need it to be pretty good on stills and video, so if anyone could throw in some suggestions, I'd appreciate it.

Mark
Good luck there Mark. Here is my trials and tribulations.

Next Step After A Nikon 3700? Is there a better AP Camera?

Let us know what you come up with.

Frank
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Old Nov 08, 2007, 03:42 AM
Part-Time Super Hero
MarkJayne's Avatar
Aberystwyth, UK
Joined Sep 2004
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Thanks Frank, that was an interesting read, with a good few options. I had a flick through a couple of my mags last night, for video, the new Samsung HMX10 looks like it could be a winner, shooting at HD and weighing in at only 310g. I'm not sure what stills capability it has. I'll keep you posted.

Mark
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Old Nov 08, 2007, 07:43 AM
I fly with my little eye
Swanlander's Avatar
Lancashire, England
Joined Jul 2005
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Quote:
Originally Posted by MarkJayne

I've now flattened out the wings a little. Not sure why, just thought it an idea, she should be stable enough with the extra wing and fuse's.

Mark

I have a reason for you: Look at the video of that twin EZ* posted recently. Both landings end in a ground loop which may not be coincidence.

My theory is that the weight will not be equally distributed on both fuselages when she touches down. This will create more drag on one side, yawing the aircraft and presenting the tip dihedral on the fwd moving wing to the airflow. This keeps the weight off the "light" fuselage and makes things worse.

This could all be BS, but I think you are right to reduce the dihedral.

Cheers

Andrew
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Old Nov 08, 2007, 07:59 AM
Registered User
hobie14's Avatar
Western Europe 52.7° N 8.9° W
Joined Jul 2007
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Twins can fly well ...... have a look at Herb's (connexxion) ....

http://www.rcmovie.net/view_video.ph...e=&category=mr

Of course, our very own Mark's is going to fly better !!!! ....

Can't wait to see the Video .....
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Old Nov 08, 2007, 09:14 AM
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Joined Nov 2002
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Quote:
he new Samsung HMX10 looks like it could be a winner, shooting at HD and weighing in at only 310g. I'm not sure what stills capability it has. I'll keep you posted.
Had a search and found a 700mb sample video recorded with this new Samsung at 50fps 720p
http://techvideoblog.com/ifa/samsung-vp-hmx10/

Video quality looks very good but I couldn't get the sound to play.
It seems to be very sensitive to movement though -
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Old Nov 08, 2007, 01:45 PM
Part-Time Super Hero
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Aberystwyth, UK
Joined Sep 2004
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Quote:
Originally Posted by Luap
Had a search and found a 700mb sample video recorded with this new Samsung at 50fps 720p
http://techvideoblog.com/ifa/samsung-vp-hmx10/

Video quality looks very good but I couldn't get the sound to play.
It seems to be very sensitive to movement though -
Thanks Luap. I see what you mean by the camera shake, maybe the image stabilizer isn't up to much. Still the video quality wasn't bad.

Here's another which looks to be a better bet, although a little more money. Click the Quicktime video link for some pretty nice quality footage.
http://thedailybelmore.wordpress.com...-video-camera/

Its the Panasonic HDC-SD5. Shoots full HD and weighs in at just under 400g.

Mark
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Old Nov 08, 2007, 02:45 PM
Blu-Core is my friend
Gundy's Avatar
La Crosse, WI
Joined Apr 2006
818 Posts
it should fly great

I love the way the EasyStars fly. Bigger is better. I used the stock motors and one speed controller. I have been putting the camera in one side and batteries in the other side. I like the look of the 3rd pod I may add one.

Later,
Gundy


My Double Star thread
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Old Nov 08, 2007, 06:21 PM
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Joined Nov 2002
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Quote:
Bigger is better
Guess this guy would agree with you


http://www.rcgroups.com/forums/showthread.php?t=766811
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Old Nov 09, 2007, 07:36 AM
I fly with my little eye
Swanlander's Avatar
Lancashire, England
Joined Jul 2005
1,836 Posts
Had a think about this over-night..

Mark,

Because the inertia in roll is much greater (2 fuselages outboard of the centreline), you may want to consider really powerful ailerons, (30% chord?)perhaps with extreme differential to avoid tip stalling. My 2p worth.

The investigation into the P38 which crashed at Duxford a few years back reported that at impact, the roll was continuing despite full opposite aileron input.

I witnessed the first and only flight of a twin 60 powered OV10 Bronco which met a similar fate, the aileron deflections were inadequate to react the roll on take off.

Cheers

Andrew
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Old Nov 09, 2007, 08:15 AM
Part-Time Super Hero
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Aberystwyth, UK
Joined Sep 2004
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Hey thanks Andrew, that may well be very important info. I've got that p38 crash on video, very sad

I'll put plenty of throw on the ailerons, but I'll also have the rudders to help out if needed, so she should (I say should) be ok. A gyro is also worth a thought. My mate has one in his MPX Twister, and it works very well, it has much less wing rock, so that may help stabilize the EZ in-flight, especially if there's a little breeze. I'm going to my LHS tomorrow to get the final bits I need, then she's good to go.

Thanks again,

Mark
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Old Nov 10, 2007, 02:39 PM
Part-Time Super Hero
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Aberystwyth, UK
Joined Sep 2004
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And here's the power setup. Feigao B40-10S brushless with a Carbon Graupner 13x7 folder. The carbon's a little much, but my LHS didn't have any other in that size. It'll add a little bling to her I suppose. This motor has stacks of power on a 3s, so I may end up using a 2s.

Mark
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