Posted by Wendi Smol on November 5, 2009 at 5:00pm
Cutting of corner reinforcements. They will be glued into the fuselage to allow the rounded bottom shape without loosing the strength of side and bottom connection.
Start of the inlet duct for the fan.
Inlet duct ready cut.
Trimming of fuselage front with hot wire. If the temperature of the wire is high enough it cuts through the PU glue without too much of a hitch.
First try to shape the fuselage. I have to revert to the sharp knife for the time, because I damaged my nice power supply for the special corner cutting tool.
Fuselage with the two main bulkheads. I used a selfmade sandwich foam/glass because I just had it. Naturally one can use 6mm (1/4") plywood for those. The wing stumps are still to be made.
Position of fan
Behind the fuselage is the UC blanc which I still had from another project.
View from the tail end. The bulkheads are not glued yet.
Indication of how inlet ducting fits in the fuselage.
Great work, is this your own design? Do you have plans available? I'm a big fan of DF and have been for years. Have an A10, Yellow Aircraft F4, and BVM aggressor all fuel DF. Selling all my fuel stuff to invest in Electric. I really like this design of yours.
Thanks - the goal was to make it strong light and easy to replace any part. Going to finish the power supply tonight and then release better specs in case anyone wishes to reproduce.
Hi, yes, it's a WM400 with a Medusa motor for 4s. It uses about 600W - 42A. That's good for about 12N static.
But I could perhaps go for a 5s - we'll see when it's done. With all the recording and drawing it won't get done before the spring. I want to try some "new" wing making procedure, that will take it's time too. So the maiden flight is still some way down the road. Sure you will hear about it early enough.
What do you mean "shop"??? That's my dining room!! :-) .
That little foam cutter is probably 20years old. It was one of my first toys when I started with foam building. For power I have an old regulated power supply, where I can adjust voltage and current from 0.0 to 30.0 V and A each. The foam cutter table uses about 50W. I adjust the current to 5A limit and then open the voltage to about 10V until the cutter wire has the right temperature. More info will be in the blog soon.
All the best
W.
Comments
Great work, is this your own design? Do you have plans available? I'm a big fan of DF and have been for years. Have an A10, Yellow Aircraft F4, and BVM aggressor all fuel DF. Selling all my fuel stuff to invest in Electric. I really like this design of yours.
Perhaps in another 20years, hehe.
More info - http://www.fisherinnovation.com/?page_id=318
But I could perhaps go for a 5s - we'll see when it's done. With all the recording and drawing it won't get done before the spring. I want to try some "new" wing making procedure, that will take it's time too. So the maiden flight is still some way down the road. Sure you will hear about it early enough.
What do you mean "shop"??? That's my dining room!! :-) .
That little foam cutter is probably 20years old. It was one of my first toys when I started with foam building. For power I have an old regulated power supply, where I can adjust voltage and current from 0.0 to 30.0 V and A each. The foam cutter table uses about 50W. I adjust the current to 5A limit and then open the voltage to about 10V until the cutter wire has the right temperature. More info will be in the blog soon.
All the best
W.
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