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Search: Posts Made By: DomPotvin
Showing results 1 to 15 of 15
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Forum: Composites Fabrication And Repair
07-06-2011, 03:34 PM
Replies: 4
Views: 1,055
Posted By DomPotvin

RE: Straighten my plug with fiberglass ? ?

next model will be made from 1/2 inch plywood, russian birch plywood, best quality and really strong. so ill be sure its all straigh ... maybe ill also build a cnc ... less sanding ! :) <div>
</div>
Forum: Composites Fabrication And Repair
07-06-2011, 03:32 PM
Replies: 4
Views: 1,055
Posted By DomPotvin

RE: Straighten my plug with fiberglass ? ?

Hi Steve ! <div>
</div><div>I have done a straigthening jig and drill 2x 1/2 hole and glued a copper tube into it and it didn't work, still not straigt, so ill have to sand one side and add...
Forum: Aerodynamics
06-25-2011, 07:07 AM
Replies: 40
Views: 7,456
Posted By DomPotvin

RE: Need a airfoil for a tail heavy plane

Hi BMatthews !

First , dont be sorry ! I prefer that to crash my model haha ! And like i said i love learning aerodynamics ... ill need some math tho ! Algebra is sooo far behind me ! :)

About...
Forum: Aerodynamics
06-24-2011, 10:54 AM
Replies: 40
Views: 7,456
Posted By DomPotvin

RE: Need a airfoil for a tail heavy plane

Alright ! a clear answer , thanks Raptor ! ! !

I have worked all my data in a cg calculator and ill balance the plane that way.

Now for the wing, ill go with the Naca 6716 to naca 6713 at the...
Forum: Composites Fabrication And Repair
06-24-2011, 10:05 AM
Replies: 4
Views: 1,055
Posted By DomPotvin

Straighten my plug with fiberglass ? ?

Hi everyone !

I'm having a lil problem regarding my plug fabrication.

It's now all carved, im now sanding it to get perfect surfaces. The problem is regarding a joint i had in my bulkhead...
Forum: Scratch Building, Aircraft Design, 3D/CAD
06-23-2011, 10:51 AM
Replies: 4
Views: 1,390
Posted By DomPotvin

RE: My Predator MQ-9B 12' build

More picture, the first step of the fuselage carving is now done. next will be the finishing with bondo and then the fiberglass.
Its not perfectly straigt, ill have to figure something out when ill...
Forum: Scratch Building, Aircraft Design, 3D/CAD
06-20-2011, 02:27 PM
Replies: 4
Views: 1,390
Posted By DomPotvin

RE: My Predator MQ-9B 12' build

Hi guys !

Funworks : thanks for the advice on power, i plan to have a very high aspect ratio wings, almost like a glider, so ill take care about the power, but not sure about the final weight yet....
Forum: Scratch Building, Aircraft Design, 3D/CAD
06-19-2011, 02:30 PM
Replies: 4
Views: 1,390
Posted By DomPotvin

My Predator MQ-9B 12' build

Hi everyone !

I'm curently building a predator, its going to have a 12' wingspan, not sure yet about the engine, around 40-50cc, maybe electric too, i even found some hydrogen fuel cell (but need...
Forum: Aerodynamics
06-05-2011, 06:54 PM
Replies: 40
Views: 7,456
Posted By DomPotvin

RE: Need a airfoil for a tail heavy plane

Alright ! Seem ill have to work with CG calc !

Appreciate your help guys ! without you would never fly !

Here's a picture of the plug frame, just finished it ! Yay !


Thanks again !<br...
Forum: Aerodynamics
06-05-2011, 08:45 AM
Replies: 40
Views: 7,456
Posted By DomPotvin

RE: Need a airfoil for a tail heavy plane

Hi Charlie !

The lenght of the plane is 53.5''

The wings begin at 23'' and finish at 33'' . so its in the second third of the plane almost at the second third .

For now its place directly...
Forum: Aerodynamics
06-04-2011, 07:51 PM
Replies: 40
Views: 7,456
Posted By DomPotvin

RE: Need a airfoil for a tail heavy plane

Hi Evan !

Thanks for the answer, about the computer fails, its really not important for me where the plane will crash, actually, the furter the better ! It means that the plane fly easily and...
Forum: Aerodynamics
06-04-2011, 06:24 PM
Replies: 40
Views: 7,456
Posted By DomPotvin

Need a airfoil for a tail heavy plane

Hi guys !

I need your experience here. Im doing a 1/6 version of the MQ-9B (also know as the Predator) and i need advice on airfoils.

The plane is going to be quite large (around 12 foot) and...
Forum: Scratch Building, Aircraft Design, 3D/CAD
03-13-2011, 03:28 AM
Replies: 12
Views: 1,587
Posted By DomPotvin

RE: is there a

I can suggest Allycad, its a free home version 3D cad<div>
</div><div>You just have to suscribe and they will send you the link, and its completely free ! </div>
Forum: Scratch Building, Aircraft Design, 3D/CAD
02-22-2011, 01:39 PM
Replies: 147
Views: 71,545
Posted By DomPotvin

RE: Predator b UAV build 1/5 scale rc

Really nice project flybaby ! 

I suggest we stop asking for plan  ! <div>
</div><div>here's a link to a guide to make your own plan (its hard work, but you can do it ! ) </div><div>...
Forum: Electric General Discussion
02-21-2011, 10:51 PM
Replies: 18
Views: 18,960
Posted By DomPotvin

RE: Satellite internet controlled RC plane

Hi all !

What you need is a ardumegapilot (www.diydrones.com) its an autopilot system made by amateur especially for rc plane, car, chopper or boat. Its affordable (arround 550$) this include the...
Showing results 1 to 15 of 15


 
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