Q-500 Racing Discuss AMA 428, AMA 424, and any other variants of Quickie 500 racing

This the plugs for my new Q/500

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Old 03-10-2008, 10:04 AM
  #1  
Kevin Matney
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Default This the plugs for my new Q/500

This the plugs for my new Typhoon Q500
Made of CNC from MDF then sanded and sealed with 3/4oz glass and Skin It Epoxy
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Old 03-10-2008, 12:40 PM
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daven
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Default RE: This the plugs for my new Q/500

Is that going to be conventional tailed?

Looks good.
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Old 03-10-2008, 12:51 PM
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Kevin Matney
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Default RE: This the plugs for my new Q/500

No I'm going to make it V Tail. Just a lot easer to layup flat.
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Old 03-10-2008, 01:13 PM
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daven
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Default RE: This the plugs for my new Q/500

Yes, it would be a lot easier, at what point do you install the torque rods?
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Old 03-10-2008, 07:40 PM
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Kevin Matney
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Default RE: This the plugs for my new Q/500

After they are cut and glued back together.Then put them in.
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Old 03-11-2008, 07:56 AM
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Default RE: This the plugs for my new Q/500

Ready for paint
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Old 03-11-2008, 01:23 PM
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Default RE: This the plugs for my new Q/500

Will this be a new kit?
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Old 03-11-2008, 07:59 PM
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Kevin Matney
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Default RE: This the plugs for my new Q/500

Maybe ??????????????
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Old 03-20-2008, 06:33 PM
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Default RE: This the plugs for my new Q/500

I can't wait.

Are you going to go for 428 or 424 class engines first?
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Old 03-20-2008, 08:10 PM
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Kevin Matney
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Default RE: This the plugs for my new Q/500

It will be ready for both class at the same time.
Typhoon Q500 kit will come 3 ways
1/ Like the Mad Dog kit. Fiber glass with Carbon reinforcement Fuse, Custom Cut Cores and plans an Landing Gear. 424 or 428
2/ Fiber glass with Carbon reinforcement Fuse, vacuum bag wing, and vacuum bag stab an Landing Gear. 424 or 428
3/ Will be a full painted Fiber glass with Carbon reinforcement Fuse, painted wing in mold, And painted in the mold V tail stabs an Landing Gear. 428 only
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Old 04-15-2008, 01:41 AM
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Kevin Matney
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Default RE: This the plugs for my new Q/500

I just painted them black pics to come latter.
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Old 04-16-2008, 03:39 PM
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Kevin Matney
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Default RE: This the plugs for my new Q/500

here they are
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Old 04-16-2008, 05:03 PM
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StanDouglas
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Default RE: This the plugs for my new Q/500

Great looking molds Kevin. Wish I had the expertise. I'm still cranking out balsa and foam wing Q500's.
No I'm going to make it V Tail. Just a lot easer to layup flat.
Your V-tail will also have less drag. Especially if the 110 deg angle is at the top of the airframe and doesn't fit in the middle; i.e., on top, forming 3 angles 125/110/125 with the fuse. Verses junctions further down the fuse forming angles of 125/55 and on the other side 55/125.
\ /
.| Three angles 125/110/125 (the .| represents the fuse. I had to put the period in to force the formating)

.|
\ / V-tail further down. 125/55/block of wood/55/125. The two 55 degree angles create more drag than the 110.
.|

.|
\|/ V-tail at the bottom, more drag than at the top, 55/55/250 degrees.


And then there's __|__ ugh! Very draggy...

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Old 04-16-2008, 06:32 PM
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Kevin Matney
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Default RE: This the plugs for my new Q/500

Yes the V Stab will be on top of fuse.
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Old 04-30-2008, 11:56 PM
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Default RE: This the plugs for my new Q/500

Just painted all black and wet sanded and starting to buff
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Old 09-11-2008, 01:19 PM
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Default RE: This the plugs for my new Q/500

Here are some of the molding lay up of the wing mold.
Pic 1 shows the parafin wax in the grove machined around the mold.
Pic 2 Shows it scraped flat to get a clean edge.
Pic 3 First layer of 2 of High Temperature Surface Coat (Aluminum Filled)
Pic 4 First layer of 3 layers 6 oz glass cloth.
Pic 5 Cover with a layer 3/4" end grain balsa and 2 more layers of 6 oz glass.
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Old 09-11-2008, 01:23 PM
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Kevin Matney
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Default RE: This the plugs for my new Q/500

Now the stab
Pic 1 all ready to go. 3 coats of Johnson Paste wax and PVA
Pic 2 surface coat all ready down and 3 layers of 6 oz glass.
Pic 3 1/2" end grained balsa and 2 layers of 6 oz glass.
Pic 4 just a closer view.
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Old 09-13-2008, 12:54 PM
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Kevin Matney
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Default RE: This the plugs for my new Q/500

1 Side of the molds
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Old 09-13-2008, 05:09 PM
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aeroanalysis
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Default RE: This the plugs for my new Q/500

Nice pics. I think a lot of people would be interested in the products you are using, i.e., release agents, gel coat, paints, etc.
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Old 09-14-2008, 02:04 AM
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Default RE: This the plugs for my new Q/500

yes very nice work but i would be interested in the finished models weight as maybe the 6 oz glass could go down to 2 oz weight , when you look at this type of build consisting of a foam core - glue - balsa sheet - glass layers with resin - gelcoat, the weight will add very quickly. when you look at the stock Viper wing you will first notice the weight which is really abit on the heavy side in my books and this wing only consists of foam - balsa - glue - hardwood for fuse supports a light glass centre patch and light iron on covering, the V tail is very light where its just about all balsa with a light cover job. let us know the weights for interest.
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Old 09-14-2008, 02:20 AM
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Default RE: This the plugs for my new Q/500

freeair, I think you may be confused. What he's showing is the making of the molds, not the airpane parts themselves. The wing and tail layups will be similar to most other hollow-core composite airplanes.
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Old 09-14-2008, 11:12 AM
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Kevin Matney
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Default RE: This the plugs for my new Q/500

This kit will be offerd 3 ways,
1 Semi kit Fuse , Cores for wing and stab, Plans Good for 424 and 428
2 Vacuumed bag foam and balsa wing and stab, Fuse, and Plans still good for 424 and 428
3 All hollow-core composite kit. good for 428 only
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Old 09-28-2008, 11:50 AM
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kleinatze
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Default RE: This the plugs for my new Q/500

Hi!

Because I like watching pictures of building projects I think it's quite fair to present you some pictures of my small wing - project.

Enjoy it,
Andreas

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Old 09-28-2008, 12:38 PM
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Default RE: This the plugs for my new Q/500

Andreas

More pictures please along with a description of your project, I am assuming to make a wing mold. You have peaked my interest.

KM
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Old 09-28-2008, 01:05 PM
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kleinatze
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Default RE: This the plugs for my new Q/500

Hi KM!

We started with 60 rips we milled out of MDF. These rips we bead on an aluminium tube. We decided to build the plug out of these rips because our cnc milling machine has only an traversing path of 600mm.

After sanding,painting and so on one gets an quite accurate plug. The wing tips are hand-shaped ;-)

For the mould - building we used glas fabrics and poraver (leightweight glas bubbles, diameter 2mm) which are mixed with resin.

A short description:
After waxing:
- application of the grey mould resin
- after 3h: fill all egdes with resin + cotton
- 3 layers 80g/m^2 + 3 layers 280g/m2 gas fabric
- make a mixture of resin and poraver (1 litre epoxy for 10 litre poraver )
- fill the mold with the mixture
- after the hardening process is finished: 3 final layers 280g/m^2 on the poraver

The mould are very lightweight and stiff.

I hope this descriptions helps a little bit..

Andreas



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