Super Habu - 120mm EDF - Parkjetdesign - Page 5 - RC Groups
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Dec 04, 2012, 11:25 AM
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Si Goodchild's Avatar
That's brilliant. Can you tell us a bit more about how you made the canopy and the mould for it? What's the ducting like inside this jet?

Si
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Dec 04, 2012, 01:12 PM
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Si Goodchild,

I is a little bit hard to tell how i do it, but the basic ideia is cut the canopi shape in a block of white foam,sand it, glass it, then cover with a hard mass and sand it again. After that, i use a vacuun forming machine to do the canopi... i will take some pics from the process on the next jet.

CoolerByTheLake,

The site is down for now. And i will post the electronic specs for you.
Last edited by humbertomelo; Dec 05, 2012 at 06:38 AM.
Dec 04, 2012, 01:22 PM
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Si, if you find his original mirage thread,believe he posted pics of making the canopy from a mold and plastic coke bottle
Dec 04, 2012, 03:48 PM
jean-claude Terrettaz
bidule's Avatar
Umberto you are a Master!
Dec 05, 2012, 06:18 PM
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stingeragents,

Canopy made from coke bottles are great but only in small jet scale . Building the big canopy you have to use a larger mold and a larger vaccum forming machine.

Thank's Bidule, but i think i have a lot to learn...
Dec 06, 2012, 12:26 PM
Do it Right, the first time!
CoolerByTheLake's Avatar
humbertomelo When will your site be back up, or are your tutorials available
somewhere else?
Dec 07, 2012, 04:57 PM
Registered User
Today arrive the front landing gear, i put it in place and all retracts are ok. I also did some cuts to install the canopy with magnets.
Dec 08, 2012, 07:41 AM
EDF Jet Jam 2017, June 15-18
Kevin Cox's Avatar
Excellent work!

Good luck on the maiden flight.
Dec 08, 2012, 12:42 PM
Registered User
awsome work humbertomelo.
I would love to try your building technique soon. im looking for a projuct for the winter.
Last edited by bibblybob; Dec 10, 2012 at 07:35 PM.
Dec 08, 2012, 01:03 PM
Do it Right, the first time!
CoolerByTheLake's Avatar
bibblybob You owe it to yourself to check out his foam bending videos. Good stuff. In my way of thinking, by being able to incorperate nice flowing curves, and rounder fuses, (not box type) you gain a great deal of strength

Just wish I didn't have to wait so long to watch them. Just put in fiber optics for our area, but having some issues with it. Currently only have 1.5meg, which is running at dial up speed-It really sucks!!! Can't wait for the 12meg.
Last edited by CoolerByTheLake; Dec 09, 2012 at 01:38 AM. Reason: Spelling!
Dec 08, 2012, 05:11 PM
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LuvEvolution7's Avatar
yes, there are deffinite advantages to a rounded, monoqoque structure over a box structure.
Dec 09, 2012, 09:46 PM
Do it Right, the first time!
CoolerByTheLake's Avatar
humbertomelo You have done a surperb job! I was courious on the fiberglassing. How many sqyd/sq meter of cloth? What cloth weight did you use? and how much extra weight did it add up to?


Also, which fan/motor, and batterise will you be using.
TIA, Mark
Dec 10, 2012, 12:52 AM
Registered User
CoolerByTheLake, thank's

In small jets 1m^2 of fiber cloth is enought, i used about 2m^2 for this big habu. The fiberglass cloth weight is 110g /m^2 . I think the fiberglassing added about 1kilo or 1,5 kilos ( fiber + resin).

Electronics specs:

Edf changesun 12 blades
Motor Het typhoon 1100kv
12s, 40c lipo
ubec 8a
Dec 11, 2012, 04:57 PM
Registered User
Well, i think all done with the electronics, now it is time to maiden...
Dec 11, 2012, 06:06 PM
Do it Right, the first time!
CoolerByTheLake's Avatar
Best of luck on the maiden and get video, please! I do hope that you have tweeked your fan. They have not been know to hold together to well!


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