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Author Topic: Quark 2M - Back to cutting innocent trees!  (Read 429883 times)

erwan

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Quark 2M - Back to cutting innocent trees!
« Reply #225 on: May 26, 2012, 19:06:12 PM »
Hello

Today, i test Ronan's Quark ..

It's very funny and not very difficult to pilot.

I think to order a short kit for september :D
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Fred

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Quark 2M - Back to cutting innocent trees!
« Reply #226 on: May 26, 2012, 20:20:04 PM »
Quote from: "miki.r"
Hi again,
i already started the fuse - build is really simple compared to some other projects i built. The only thing i was thinking about was top and bottom sheeting of the fuse and balsa grain direction. Will the construction be more rigid with cross or straight grain balsa? In the curved front sections cross grain would also be much easier to bend...


Very good Miki!  :clap:
You'll see, dead easy and quick to build!  :D

You are right for the sheeting, better to do it this way.
By the way, if you want a more "rounded" fuselage, you can replace the 5x5 strips by 10x10 (square or triangle), that will give you more material to sand.
But that doesn't matter much, just a question of taste  :D
And don't hesitate to send us photos of your build!  :D
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Fred

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Quark 2M - Back to cutting innocent trees!
« Reply #227 on: May 26, 2012, 20:25:17 PM »
Quote from: "erwan"
Hello

Today, i test Ronan's Quark ..

It's very funny and not very difficult to pilot.

I think to order a short kit for september :D


Howdy Erwan  :D

Yeah, that's the thing, everybody who tried the Quark, want one!  :D
So, tested all the aerobatic manoeuvers in the book?  :D
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erwan

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« Reply #228 on: May 26, 2012, 21:23:09 PM »
One fly, many manoeuvers. I love half right roll and 2 quarter left roll. Maybe the same wing cover plywood 0.6 give less flexibility ^^
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alibodin

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« Reply #229 on: May 26, 2012, 22:51:45 PM »
Richard,

Thank you for the extra componets list. Just need a kit now.

AListair
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miki.r

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« Reply #230 on: May 30, 2012, 15:09:44 PM »
Hi,
here are the first pictures of my build - all goes together really well. Fuse is not rounded yet. The elevator turned out really good, 44gr both halves together. I built the rudder with 3mm parts sheeted with 1mm, it is really stiff now but still very light.
The most annoying part of the build was sanding down the 3mm carbon rods to fit into the tubes - the inner diameter was 2,8 instead of 3mm :!:

Waiting for the 8mm carbon tubes now to start the wings...


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Richard Boyd

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« Reply #231 on: May 31, 2012, 07:11:32 AM »
Beautiful work  :clap:
It is very satisfying to see good workmanship.
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Richard Boyd
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Fred

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« Reply #232 on: June 01, 2012, 10:06:47 AM »
Hey Miki,

Well, you are not wasting your time! This thing is half built already!  :clap:

Quick question for the elevator, did you build them with ribs etc as per the latest plan?

44grs for the 2 halves is very good  :clap:  Looks like you will have the lightest Quark made so far  :D
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miki.r

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« Reply #233 on: June 01, 2012, 13:13:14 PM »
Yes, the elevator is with ribs and 1mm sheeting - really easy to build.

I've got one wing almost done (needs only some sanding at the LE and wingtip), when i put it on the scale I couldnt believe it: 225g with one servo and fully sheeted! Really very light, the fuse with the stabs comes in at ~430g. I didnt really try to build light, but it comes together very well. AUW around 1,2kg should be possible (I will see how much lead will be necessary...)

I hope to have it done until next weekend for my trip to Slovakia - it would be great to maiden it at Donovaly, a great slope!

I'll post some more pictures when I come home...
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Fred

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« Reply #234 on: June 01, 2012, 13:33:12 PM »
Very good Miki!  :clap:  :clap:

Yeah, the plan update should bring you to the 1.2Kgs target easy (between 5 and 600 grs lighter than mine for example).

Looking foward to hear about your test flights  :D
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miki.r

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« Reply #235 on: June 03, 2012, 08:23:09 AM »
Got a lot of work done yesterday, right wing is ready for cutting the ailerons, left wing needs sanding of wingtip and LE... I chose the old version of the wing with cutting the ailerons after sheeting all together. In my opinion this method is better to get wings and ailerons straight. Another modification i made is longer wingtips (~ 6cm), if it doesnt fly well with them I can still cut them off. But I find it more practical for handling on the slope and it looks nicer :wink:

Today is sanding of the left wing and the fuse (with the nose block :shock: )...

Altogether a really great design and easy build, but you have to be careful and take your time for some details to get a perfect result. With those huge moving surfaces warping could screw up all the work... From my experience aerobatic airplanes need the most precision to fly well.




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Fred

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« Reply #236 on: June 03, 2012, 18:53:52 PM »
That is really looking good Miki!  :clap:  :clap:
Record time build, and done very nicely at that!

So, first flights next week end?  :D
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Richard Boyd

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« Reply #237 on: June 04, 2012, 06:11:11 AM »
Miki your Quark is looking fantastic  :clap:
What colour will you cover this plane ?

Richard
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Richard Boyd
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miki.r

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« Reply #238 on: June 04, 2012, 12:33:16 PM »
I ordered white, silver and two shades of blue - I think I will make this one white as base colour and some kind of patterns in lux and medium blue...
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miki.r

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« Reply #239 on: June 05, 2012, 06:56:45 AM »
Hi again,
I've got a few questions concerning the setup.

Is 30mm up and down for the ailerons enough (as per plans)? I need to know if I have to sand the gap between wing and aileron wider, I get exactly 30mm down now...

And how do you set up your transmitter for the Quark - 4 axis, 3 axis like F3F, how much aileron up/down for thermal and speed flight...?

Thanks
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