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Apr 23, 2012, 08:29 PM
making my own planes...
decones's Avatar
Quote:
Originally Posted by wyowindworks
Are you using an epoxy resin? I've found that most epoxies will stick to just about any paint. PE or VE resins often will not bond to cured urethanes.
I'm using epoxy resin...
Tim told me he uses acrilic single component, just put some thinner and done.
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Aug 14, 2012, 10:02 PM
Registered User
Kevin Matney's Avatar

Poraver beads in the USA


Poraver beads in the USA? and were to get them?
Dec 03, 2012, 01:49 AM
Thermal Wrangler
DrFragnasty's Avatar
Thread OP

Mold for v-tail joiner


With the building board cleared I have time to try out the v-tail mold I made a while back.

The joiner needs to be made before anything can be done because from that I can make the joiner box which can then go into the layup.

Joiner mold is mdf base, alum box section sides and based on the dimensions of some K&S plastic extrusion which conveniently matches the thickness of the tail section inc. skins/ fabrics and leaves enough room for the bonding bog mix.

Joiner will be balsa core, carbon sock and carbon uni and 12K tows to make up the rest.

Chris.
Dec 03, 2012, 08:32 PM
Registered User
I am watching for good things to come!!!!
Dec 04, 2012, 01:36 AM
Thermal Wrangler
DrFragnasty's Avatar
Thread OP

Joiner de-molded


One joiner done. Or more correctly, two. This length is good for both sides.

The idea is to bevel their ends to match the 105 / 2 degrees angles and secure them in the fuz. permanently with their ends butt joined using some light bog.

Removable joiners are not a requirement here and complicates the design.

Joiner has medium balsa inside. Not the lightest solution but strong. 4 layers of fibral bonded uni top and bottom and 24K tows x 4 each side.

Lots of surplus resin oozed out while under compression from heavy weights.

Next-up; make the boxes.
Nov 04, 2013, 09:06 PM
Detail Freak
target's Avatar
What happened to this project??
So much inspiration for me....
Nov 05, 2013, 03:44 PM
Registered User
Quote:
Originally Posted by target
What happened to this project??
So much inspiration for me....
Don't know what happened to the project but I have a wing from the molds that I am about to mount on a faser fuse.

If Chris does not mind I would be happy to post some pics here.
Nov 06, 2013, 01:43 AM
Thermal Wrangler
DrFragnasty's Avatar
Thread OP
Hi Auselectric,
Knock yourself out, I'd love to see your Hybrid!

The Nexor Pro moulds are still viable and our builder group has a stack of Rohacell to work with so we may look at another. The simple fact is we all have sufficient numbers of competition gliders at the moment that don't break and rarely crash ;0()

The Nexor Pro doesn't have an edge over existing models other than the novelty value of; "we built it ourselves". Which admittedly is a strong incentive to build.

FYI
The plugs have yielded another set of stretched (by 75mm each side) molds sitting in Alan Mayhew's workshop in Melbourne. Alan's still working on his.

The ultimate Nexor would be spread tow, Rohacell, RDS ailerons, conventional flaps, pre-fab UHM spar with a Maxa-a-like fuz / tail feathers or possible removable V-tails in Disser.

If my existing glider inventory reduces I might get the resin in and get moulding but for the moment I'm golden.

Moulding an F3B high-aspect ship, big scaley or a competitive DLG offers greater incentive.

Chris.
Nov 06, 2013, 05:44 AM
Registered User
Well the hybrid project started about 3 years ago when I purchased an untouched DC faser fuse from RC Trader. Fast forward a few years and after a house move I place a wanted add on the groups and RC trader purchasing the wing last christmas.

This is coming together slowly after a recent purchase of airtronic servos and repair to some damaged tail feathers.
Nov 06, 2013, 05:47 AM
Registered User
Next job is to fillet the gaps between the wing and fuse before fitting servos and other gear
Nov 06, 2013, 05:48 AM
Thermal Wrangler
DrFragnasty's Avatar
Thread OP
Love it. That looks eyesweet.
Nov 06, 2013, 06:08 AM
Registered User
Chris, what is the reccommend cog for the wing?
Nov 06, 2013, 07:11 AM
Thermal Wrangler
DrFragnasty's Avatar
Thread OP
Standard Supra chord and section = 101-103mm.

Here's a link to wing camber templates that might prove handy:

http://www.hyperflight.co.uk/getfile...TER-35&code2=5
Nov 07, 2013, 11:33 PM
Entropy is happening!
Jim.Thompson's Avatar
Hi Chris,

How did you and the team cut of the wing tips to get them nice and flat/square etc. ?
Nov 08, 2013, 01:24 AM
Thermal Wrangler
DrFragnasty's Avatar
Thread OP
Hi Jim,
10" Makita compound mitre saw with a fresh blade that cuts carbon. The kerf was 3-4mm but factored in hence the 12mm ply root ribs).

HTH,
Chris.


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