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Old Nov 23, 2012, 02:58 PM
humbertomelo is offline
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Yes, the hinges are made from fiberglass reinforced tape
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Old Nov 23, 2012, 02:58 PM
Axl_74 is offline
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Very cool!
Old Nov 26, 2012, 01:48 PM
humbertomelo is offline
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Hi!

I need some heavy duty horns to install on habu, but i hate buy expensive horns, so i decide to build them. I take my precious blank copper plate an cut 2 small fiber glass parts and voila a heavy duty horn! great!
Last edited by humbertomelo; Nov 26, 2012 at 01:56 PM.
Old Nov 26, 2012, 01:54 PM
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Intake bell mouth EDF
Old Nov 26, 2012, 01:56 PM
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After automotive bi-component varnish, My daughter and son to give a real scale.
Last edited by humbertomelo; Nov 28, 2012 at 11:49 AM.
Old Nov 26, 2012, 03:20 PM
LuvEvolution7 is offline
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holy shiznat! she really gives that plane some scale. it's a beast.
Old Nov 26, 2012, 07:33 PM
efflux RC is offline
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Simply amazing! Beautiful work.
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Old Nov 26, 2012, 07:42 PM
humbertomelo is offline
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LuvEvolution7, Thanks a lot, i know you follow my post since the first one.

efflux RC, also thanks and one day i'll buy one of efflux EDF for my jets!
Old Nov 28, 2012, 11:04 AM
jfetter is offline
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HAL... Open the damn doors!
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This is pretty slick, you have some excellent fabrication skillz my friend. I'd like to see a little more detail on the construction if you have time, maybe how you fold the wings, do they have ribs, etc? I have always wanted to build a very large EDF and this would be a great way to do it very light...

Very nice work!

Jack
Old Nov 29, 2012, 12:47 PM
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Thank's Jack,

The wings have a main tube glued inside the foam core, and a larger size tube glued in to a fuselage, just slide the main wing in to fuselage and align the pins to lock in place. No ribs, because the wing it is a solid foam glassed in both sides.

Humberto
Last edited by humbertomelo; Nov 29, 2012 at 12:56 PM.
Old Nov 29, 2012, 06:05 PM
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HAL... Open the damn doors!
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Quote:
Originally Posted by humbertomelo View Post
Thank's Jack,

The wings have a main tube glued inside the foam core, and a larger size tube glued in to a fuselage, just slide the main wing in to fuselage and align the pins to lock in place. No ribs, because the wing it is a solid foam glassed in both sides.

Humberto
Thanks for the pictures! So do you crease or put a cut in the back side of the foam when you bend it, does it need heat or anything to curve that tight (leading edge)? Also, what glue are you using for all the foam?

Thanks,

Jack
Old Nov 29, 2012, 06:16 PM
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Foam Cores


Jack the cores are cut using a wire and bow method from a square block of white foam. they can then be laminated for strength and prepared for operation. You can either order pre-cut foam wing cores with your desired air foil, or cut them yourself. I would think that Humbertomelo, cut them himself using a heated wire string. Those wings are not depron...

P. Richards aka SwatTeam
Old Nov 29, 2012, 09:01 PM
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Jack,

P. Richards are right, i use a hot wire and bow method to cut the wing from a square block of white foam (medium density), also i use a regular epoxi glue (5-10min to cure) for all parts.
Old Dec 03, 2012, 11:34 PM
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Today i finished the canopy mold and did a cristal PVC canopy on vacuum forming machine. The electronics are almost done! I think i can do the maiden on next saturday...Let's see.
Old Dec 04, 2012, 12:47 AM
CoolerByTheLake is offline
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Do it Right, the first time!
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humbertomelo , Do you have a new web site, or is yours just down for now?

Can you also fill us in on your components. What Fan, motor, batteries. etc--- Thanks.
Last edited by CoolerByTheLake; Dec 04, 2012 at 11:39 AM.


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