|Jul 26, 2012, 01:08 PM|
Sorry about the goofy guy holding it!
|Aug 01, 2012, 06:20 PM|
No, not THAT model again......you may say...
Here is a clip of another test flight with 'Eyas'....here "chicken-wound" 400 turns, due to the limited field...one day I'll hopefully get the knack of beeing both 'pilot' and photographer...at least I have now learned to shut off the autofocus....
With full screen setting and hawk eyes, you'll be able to follow the model until the "THUD" marking appears...
EYAS, film clip
|Aug 02, 2012, 06:26 AM|
After my mate Bruce's experiments with Fibreglass pigments I got to thinking.
I thought I would try some paint pigment in the dope.
I went to the local Dulux trade centre and explained what I was trying to do.
The guy was extremely helpfull and gave me some blue paint tint.
I diluted this with some all purpose thinners and then mixed it in my dope.
The result would have been better if I had sprayed it but I just wanted to see if it would cover with a brush.
The results with the brush were a lot better than using Feast Watson tints.
Much deeper colours although I still need a couple of coats to get reasonable coverage.
The upside is that doing pin lines and stripes is dead easy.
Mask it up and dab the dope on with a small brush although I used a chop stick. Dry in ten minutes.
Passes the ten foot test with flying colours.
I now need a coat of clear and finish off the landing gear.
|Aug 02, 2012, 11:07 PM|
Joined Feb 2007
Nice looking models Humphrey, What design are they? The larger wingspan of the blue one reminds me of the old Cox E-Z-Bee styrofoam r/c trainer.
|Aug 02, 2012, 11:33 PM|
They are a Humbug. http://www.cowramac.asn.au/humbug_all_sheet_balsa.pdf I stole this from the Cowra MAC website http://www.cowramac.asn.au/main.html
This simple little model flies well and is robust. It will make a great model for the FF scramble at this year’s Oily Hand.
I built one when my son Owen was small and we had hours of fun chasing around the paddock. On one occasion it decided to head off, after a kilometre and rolling up our trousers for a river crossing we found it nestled in a lucerne paddock on the far bank. Another time it spent a week up a tree till a windstorm bought it down. A little glue and some oil and off it proudly flew again. Eventually it decided to retire and was committed to the ceremonial pyre.
By increasing the size to about 40” to 45” span (that’s about 135% to 150% on the photocopier) a Cox 049 reed valve engine can be accommodated. Of course a set of bearers and a nice diesel aren’t out of the question.
The original one we built had the 020 and needed some right thrust which is not shown on the plan. The knock-off method of attachment of the engine allows for easy adjustment of engine thrust. Further, on the plan, you will find that the cut width of the sheet for the wing is 4˝” not the narrow width as shown in the wing plan. To get the dihedral, block one wingtip up 4˝”.
Hope you find an opportunity to build and enjoy this little model.
|Aug 03, 2012, 04:03 AM|
Aeronca52 - not off topic at all. Feel free to expand on the models in the pics.
Although if you do, you may find a build thread asked for....
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