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Posted by vincent123 | Yesterday @ 12:21 PM | 740 Views
R T F !

All done !

You open the box, some glue here and there and RTF !

Some figures for the interested:
Span 1074mm (without fuselage)
Root 340mm
Tip 205mm
LE sweep 31°
AUW 1626gr
Wood weight 850gr
Thrust 2100-2300gr
Stall speed 30km/h
Angle of incidence 0,5°
Angle of attack at takeoff 8°
Wing loading 56gr/dm2 (18,2 oz/sq ft)
Cubic wing loading 10,3 oz/ft3
Twist 0°
Dihedral 0°
Dihedral effect CL=0,8: 14,2°

...Continue Reading
Posted by vincent123 | Jun 19, 2016 @ 12:38 PM | 812 Views
I covered the balsa shell, wings and fuselage, with 3 layers of epoxy (without glasfiber cloth).

After every epoxy layer, i wiped it off with a paper cloth (thanks Kent!).

Target was to seal the balsa and give a bit of "hanger rash strength": and it turned out fine: the balsa grains are much more visible, and that was also what I envisionned.

In total this added 30 grams (10 gram per wing).

Nevertheless, some areas showed a glossy look, some looked dull/mat: something difficult to avoid when using epxoy only.

So I decided to give it a slight glossy spray with a transparant varnish. Neglectible weight addition.

The oracover process it still ongoing, the bottom of the wings and one winglet needs to be done still!
Posted by vincent123 | Jun 12, 2016 @ 05:26 AM | 1,114 Views
Applied an epoxy layer and wiped it off with a paper towel, no glass cloth applied, looks great, the wood grain pops now!
Posted by vincent123 | Jun 06, 2016 @ 01:35 PM | 978 Views
View on the winglet, which acts also as a landing skid.
Posted by vincent123 | May 16, 2016 @ 02:45 PM | 1,444 Views
Meanwhile been working on the control surfaces, cut out and control horns glued in.
Next item are the winglets and some kind of color sheme.
Posted by vincent123 | May 07, 2016 @ 04:08 AM | 1,917 Views
Took a while but the gear door works fine now !

Vincent

Retractable steering wheel with gear door (0 min 25 sec)

Posted by vincent123 | Apr 24, 2016 @ 01:33 PM | 1,669 Views
Ok, gear hatch cut out.
Now figuring out how to operate that door !
Posted by vincent123 | Apr 24, 2016 @ 10:51 AM | 1,172 Views
Realised today that I took a wrong point of rotation for the fron wheel.
The wheel arch touches the battery hatch.

Seems that I need to cut afar larger door for the retract wheel!

Forgot about the difficulty level
Posted by vincent123 | Apr 05, 2016 @ 07:48 AM | 1,951 Views
LE being glued
Posted by vincent123 | Apr 02, 2016 @ 08:29 AM | 1,603 Views
My guide
Posted by vincent123 | Mar 27, 2016 @ 02:24 AM | 2,022 Views
Busy making the same of the other.
Posted by vincent123 | Mar 06, 2016 @ 04:37 AM | 1,827 Views
Flap and Aileron cut out.
Posted by vincent123 | Feb 28, 2016 @ 02:29 AM | 2,462 Views
First wing fully sheeted.
Fit wing fuselage went fine.


Flap and Aileron still to be cut,

And then...the next wing, underestimated all the work!
Posted by vincent123 | Feb 21, 2016 @ 10:49 AM | 2,138 Views
Made a frame in order to sheet and glue without distorsions.
I first used this technique for the FZ2 sheeting.

Also made the ailerons a bit stonger.
Posted by vincent123 | Feb 09, 2016 @ 03:54 AM | 2,383 Views
It s gonna be a huge wing surface...
Posted by vincent123 | Feb 07, 2016 @ 05:48 AM | 2,018 Views
Webbing ... boring job .... nevertheless ... has to be done !
Wing is pretty stiff, torsional stiffness will end up fine after sheeting.

Test mounted the wing .. so far so good.
Posted by vincent123 | Jan 24, 2016 @ 11:26 AM | 2,336 Views
First wing ready to glue.