Gliders > Scale
Another project ! 1/4 scale Grunau Baby IIb
Alan_Perse:
Looks great Fred :D :D . Keep up the good work. You realy do build fast :shock: . Just out of curiosity, what software do you use to design your wings etc, Compufoil, Profili 2?
Fred:
Thanks Alan,
Sorry, forgot to answer your question :oops:
For the wings, I use Tracfoil (http://fly.to/tracfoil), but the ribs webbing are made in Turbocad.
So, had an hour to spare this week end, time to go back to the Grunau Baby !
Work done on the fuselage, but this time, everything is glued !
Almost finished and ready for the servos to be installed before doing the sheeting in 0.8mm plywood.
All the formers are glued to the building template, just make sure that everything is square.
I started from the front to tail, gluing all the elements as I progressed (cockpit floor, servo tray...) to keep everything as straight as possible.
The strips are made of 5x5mm balsa.
This is the cabin template, made of 3mm plywood. Happy with that part, just the sheeting needed now ! :D
All straight !
The profile is the MS535.
Backbone is glued...
So as the bottom one (at this stage, I was able to move the fuselage around...)
Everything simply slot together :D
And a few more photos...
Guides for the pushrod (5mm sullivan) are integrated to the formers for the elevator, rudder being a push/pull cable.
For once, I keep a log on the time spent, and so far, I have spent 7 and a half hours into this build :D
So far, so good !
Fred:
Not a lot done today...
The fixed rudder squeleton is now in place.
The 0.4mm plywood will then be rolled on it to make the final shape.
Fred:
Servos and snake rod are in ! :D
Fred:
Did a bit of work this week end on the Grunau, and did the second wing...
And with the really good weather this week end, that was time for the first setup of the machine in the garden ! :D
:D
Plan this week is to start the fuselage sheeting.. Should be relatively quick to do !
Not a huge amount of work left to be done now, a few bits and pieces...
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