Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

new design: Strega 45

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Old 03-17-2008, 03:39 AM
  #1
look
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Default new design: Strega 45

Hi,
This is my new design the Strega 45.
Designed for 40 to 45 rear engines.
The plugs are ready, painted and polished.
Today I am working on the second part of the cowl.
This week I can start with the fuse mold.
Some pictures:
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Old 03-17-2008, 03:49 AM
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Default RE: new design: Strega 45

Fuse length: 101 cm
With spinner: 107cm.
Wingspan: 127cm
Spinner: 2,25 inch Tru Turn
Engine: all FAI or DF or sport engines rear.
Fuse: glass
Wing: foam sheeted with thin plywood.
Wing is CNC cut for servo's, wingspar and retracts.
Ailerons: live hinges of kevlar.
Stab: sym. airfoil foam and thin plywood.
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Old 03-17-2008, 03:53 AM
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Default RE: new design: Strega 45

Drawing:
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Old 03-17-2008, 04:29 AM
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Default RE: new design: Strega 45

look'in good! what %airfoil are you using? will you be selling kits? greg
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Old 03-17-2008, 08:17 AM
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Default RE: new design: Strega 45

Beautiful work on one of my favorite planes. As Greg asked, what airfoil, and most importantly - how do I get one?
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Old 03-17-2008, 10:50 AM
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Default RE: new design: Strega 45

Hi,
You can order at speed models.nl.
First I will build the proto but I know how it flies because I used
the airfoils from an earlier design.
The root is 9% and the wingtip is 8% both semi.
The model will fly on rails, stable and depending on the used engine fast.
With an YS 45 it will be a sportmodel, with a Dub Jett FAI a racer.
You can use a muffled tuned pipe or an open tuned pipe.
An open pipe will give more power.
Best regards,
Look.
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Old 03-17-2008, 10:50 AM
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Default RE: new design: Strega 45

Wonderful project !!!

subscribing to follow along with the fun
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Old 03-17-2008, 10:52 AM
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Default RE: new design: Strega 45

Hi,
I forgot to thank you.
Live the model is even nicer.
It shines like hell.
In a 4 weeks the model is available for sale.
Regards,
Look.
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Old 03-17-2008, 11:28 AM
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Default RE: new design: Strega 45

What is the wing area? This looks like it would be a great model for our RCPRO warbird racing.

Thanks, Terry
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Old 03-17-2008, 01:04 PM
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Default RE: new design: Strega 45

Terry,
For a half wing the area is 136014.6 mm2
Root is 320mm, wingtip is 147mm.
Wingspan is 127 cm.
Best regards,
Look.
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Old 03-17-2008, 01:37 PM
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Default RE: new design: Strega 45

Cool, looks like that's 460 in2 so for RCPRO I can use a 45 2C or 91 4C.

Keep us posted. I'd love to build one of these.

Blessings, Terry
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Old 03-17-2008, 02:01 PM
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Default RE: new design: Strega 45


I'm with Bob, watching you sneaky guys for self preservation. ENJOY
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Old 03-17-2008, 02:37 PM
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Default RE: new design: Strega 45

Hi all,

Signing in for this beautifull project.
Keep on going the good work.
I fly a lot of models from speedmodels and i can say that i like it every minute i flying them!
Just amazing quality, and superb flying capicity.

Grtz
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Old 03-17-2008, 02:49 PM
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Default RE: new design: Strega 45

Look,

Do you have any idea how much shipping will be to the US?
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Old 03-18-2008, 02:49 AM
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Default RE: new design: Strega 45

Hi,
Thank you.
This morning I am making the second part of the belly pan mold.
I will show some pictures end of the day.
Shipping costs to USA are 33.00 euro.
On this thread I want to show the building of the complete model.
The plug is CNC made. The splitting plate and parts are cnc made.
On the plug I have used a very hard 2K paint which can be polished.
Like Coddington uses for his Hot Rods.
All parts for the kit will be cnc cut. The underside of the wing is drawn in cad
and the complete wing will be cnc cut for the servo, wingspar, aileron and retracts.
I will make pictures of that too and show you. All wood parts are excellent quality plywood.
You will get all the information you need to build the model.
Now the first thick coat of epoxy molding stuff has to dry for an hour.
So I can start cutting the glasscloth and carbon roovings.
Tomorrow I will start with the fuse mold. The splitting plate is ready and painted and the mold insert parts are ready for molding too.
The splitting plate is made with straight sides and corners to attach the standing sides so the thick mold epoxy does not run off.
Best regards.
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Old 03-18-2008, 07:52 AM
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Default RE: new design: Strega 45

Some pictures:
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Old 03-18-2008, 10:43 AM
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Default RE: new design: Strega 45

Wow very cool! Any way to get a preorder list going? I would be putting an E-power system in it and shoot for 200+. Fusalage looks quite roomy for batteries!
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Old 03-18-2008, 11:26 AM
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Default RE: new design: Strega 45

Hi,
Thanks !
That is a good suggestion starting with a pre order list.
Please contact me. In the fuse there is enough room for batteries.
We have used the same airfoils on a smaller model for a 21 engine
and on batteries flying was great.
Here are the last two pictures of the belly pan mold.
That mold is ready now. After four days I can split them and sand the edges with 80 gritt with a machine.
First I will polish the inside, 5x release agent and the first belly pan can be made.
Tomorrow I will start with the fuse mold.
Here are the two pictures:
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Old 03-18-2008, 05:56 PM
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Default RE: new design: Strega 45

what retracts will fit?
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Old 03-19-2008, 01:50 AM
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Default RE: new design: Strega 45

I will use the Spring air I think the 607.
They are 34mm wide and 20mm height.
Behotec makes this size too.
Regards,
Look.
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Old 03-19-2008, 03:22 AM
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Default RE: new design: Strega 45

First I will start with 5x release agent (wax), the cutting of the side walls with the cnc router.
A last layer of release agent and mounting of the side walls
Mounting the iron hardware for the bolts and pins. These will be glued on the splitting plate with ZAP pink.
Tomorrow morning I can start with the thick first layer of grey mold epoxy and the layers of glasscloth, cotton and chopped strands.
Wenn the glasscloth has dried for several hours a last coat of thick gelcoat on top to keeps the stuff in balance.
After four days the other side can be done after sanding the sides with 80 gritt.
Look.
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Old 03-19-2008, 10:04 AM
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Default RE: new design: Strega 45

Quote:
ORIGINAL: bob27s

Wonderful project !!!

subscribing to follow along with the fun
Get ready for the big spring rush on 60LX's!
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Old 03-19-2008, 10:32 AM
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Default RE: new design: Strega 45

Thank you !
Here the pictures before the party tomorrow. Tomorrow I will make the mold. The other side 4 days later.
All is ready now.
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Old 03-19-2008, 04:38 PM
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Default RE: new design: Strega 45

Hi Look,

Amazing and you did it again...this beauty looks FAST.........I feel the need....the need for SPEED....

Cheers,
Tom
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Old 03-20-2008, 01:42 AM
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Default RE: new design: Strega 45

Thanks, Tom !
I can not wait to build my model to fly.
I will build two models: one with an OS 46 DF with a muffled tuned pipe and an open pipe
and the second one with the fastest OPS pylon/ speed maybe a 10cc with an open pipe.
Best regards,
Look.
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