Q-40 Racing Discuss AMA 422 and any other variants of Quarter 40 racing

My new Q40 STREGA airmodel

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Old 11-16-2007, 06:54 PM
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Default My new Q40 STREGA airmodel

Hello racers
this is my new Q40 STREGA airmodel , i have approved the first step of approval proces , now i milling the mould with cnc and hope finisch next week . i think to build one or two models for my friends Paolo Mucedola and Frank Wong(i have called Frank in Muncie F3D WC) .....paint in the mould, two pieces tail ..ecc.. they race in Phoenix in Febbrary .
Ciao Paolo P.
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Old 11-22-2007, 01:52 PM
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Default RE: My new Q40 STREGA airmodel

Will you produce these in numbers? How much to get them to the USA?
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Old 11-23-2007, 06:58 PM
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Default RE: My new Q40 STREGA airmodel


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ORIGINAL: vertical grimmace

Will you produce these in numbers? How much to get them to the USA?
Yes , but first we want test fly , and if is OK we can sell........i informed when the list is open and the price .
Ciao Paolo P.
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Old 11-24-2007, 12:11 AM
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Default RE: My new Q40 STREGA airmodel

Good luck.
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Old 12-18-2007, 11:26 AM
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Default RE: My new Q40 STREGA airmodel

I have receive the cnc plug.....now i can make the mould[sm=spinnyeyes.gif]
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Old 12-18-2007, 04:55 PM
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Default RE: My new Q40 STREGA airmodel

Paolo:
It looks very nice, it is going to be a head turner, good luck in your tests and looking for worth to meat you in Phoinex
Enrique Licea
Mexico
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Old 12-18-2007, 09:06 PM
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Default RE: My new Q40 STREGA airmodel

Looks very nice. Great job, wish I was going to see it.
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Old 12-18-2007, 10:23 PM
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Default RE: My new Q40 STREGA airmodel

Your project looks great.

I have one technical question. Why do you CNC a plug, as oppossed to the mold. I have seen others do this as well and I am puzzled why not straight to the mold?

Kevin M
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Old 12-19-2007, 07:25 AM
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Default RE: My new Q40 STREGA airmodel

You can make multiple molds off a single plug, if you make a mold thats all you got.
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Old 12-19-2007, 07:58 AM
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Default RE: My new Q40 STREGA airmodel


Quote:
ORIGINAL: wkevinm

Your project looks great.

I have one technical question. Why do you CNC a plug, as oppossed to the mold. I have seen others do this as well and I am puzzled why not straight to the mold?

Kevin M
Correct
Quote:
ou can make multiple molds off a single plug, if you make a mold thats all you got
And is also more cheaper(€€)
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Old 12-19-2007, 07:01 PM
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Default RE: My new Q40 STREGA airmodel

I understand, I assume this is if you are manufacturing as opposed to personal use, however I do see some guys cutting aluminum molds for the purpose of manufacturing.

What material do you use to cnc the plug it looks like a plastic of sorts.

I am only asking because I am curious about the various techniques used, I am currently making a Q500 fuse and V tail plug using traditional methods (by hand) but only for personal use.

Kevin M
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Old 12-19-2007, 07:44 PM
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Default RE: My new Q40 STREGA airmodel


Quote:
ORIGINAL: wkevinm

I understand, I assume this is if you are manufacturing as opposed to personal use, however I do see some guys cutting aluminum molds for the purpose of manufacturing.

What material do you use to cnc the plug it looks like a plastic of sorts.

I am only asking because I am curious about the various techniques used, I am currently making a Q500 fuse and V tail plug using traditional methods (by hand) but only for personal use.

Kevin M
The aluminum molds are very good, but milling aluminum mold has a very high cost......Aluminum is very expensive and it takes a long time for the milling mold.
This material I used is very cheaper and very fast milled...........It is a material-specific modeling prototypes (i dont know the name)
To build molds airmodel this technique is most excellent and that at the same time is cheaper
I had great teachers: the Germans .......and I have followed this forum http://www.rc-network.de/forum/forumdisplay.php?f=56
I used a similar technique to construct a wing of a F3D but in this case I used a different material(A little more expensive)..."Methacrylate "in this case I polished only . http://www.rcuniverse.com/forum/m_4594549/tm.htm

Ciao Paolo
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Old 12-20-2007, 06:18 AM
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Default RE: My new Q40 STREGA airmodel

Thanks for the information. You have a great looking Q40, Good luck with the project.

Regards, Kevin M.
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Old 12-20-2007, 11:34 AM
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Default RE: My new Q40 STREGA airmodel

Hi Paolo

Which threads in the RC-Network forum provided you with the most information on the plug material.

Denis
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Old 12-20-2007, 01:15 PM
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Default RE: My new Q40 STREGA airmodel

Ren board from Freeman supply. My R-200 wing molds. http://www.freemansupply.com/index.htm
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Old 12-20-2007, 03:41 PM
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Default RE: My new Q40 STREGA airmodel


Quote:
ORIGINAL: djlyon

Hi Paolo

Which threads in the RC-Network forum provided you with the most information on the plug material.

Denis
I dont know .[&o]..i see many time ago
You can see similar tenique for F3D Sweden Wing http://www.bahnhofbredband.se/~wb855...tima/start.htm
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Old 12-20-2007, 03:43 PM
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Default RE: My new Q40 STREGA airmodel


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ORIGINAL: Randy Etken

Ren board from Freeman supply. My R-200 wing molds. http://www.freemansupply.com/index.htm
What material?
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Old 12-20-2007, 04:02 PM
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Default RE: My new Q40 STREGA airmodel

Fantastic link Randy! What weight Ren board are you using?
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Old 12-21-2007, 12:58 AM
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Default RE: My new Q40 STREGA airmodel

I have used two different boards light gray #5020 and red # 5179. The Ren boards have to be sanded, primed and painted after being machined to achieve a pristine surface. The gray is easy to prime and paint. The red is almost imposable to prime and paint. You need some real special products from Dura Technologies. The CNC people like this product because of the ease of machining. If I did it over I would spend the extra money and use aluminum.
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Old 12-21-2007, 10:40 AM
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Default RE: My new Q40 STREGA airmodel

Paolo,
Congratulations, very nice looking plane

If it is of any use and for you not to spend money and time, a friend of mine here in MĂ©xico submitt for approval to the AMA and NMPRA a Q40 called Extasis, which first design have winglets and they were not approved.
I see your Strega have winglets too, so I think it would be good for you to ask them before making the wing molds for preventing you to double work on your wing molds.

Good Luck and congratulations again.
VĂ*ctor Arreola.
MĂ©xico.
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Old 12-21-2007, 11:17 AM
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Default RE: My new Q40 STREGA airmodel

Victor,
I believe Paulo's already receieved initial approval for the airplane.

Paulo's version of Strega is based on when it did have curved up wingtips (see the pics he attached to one of his posts). While his aren't 100% true to scale, they aren't any farther from scale than the rest of the Q40's.

Isn't the Extasis a mid-wing airplane? Which one was it based on? I don't recall any real Forumula 1 type airplanes, other the the Kelly's, having wingtips like Paulo's showing. If the airplane Extasis was based on didn't have them, the model would not be approved with them.

GS
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Old 12-21-2007, 01:22 PM
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Default RE: My new Q40 STREGA airmodel

Yes correct GS
i have approved the first step of approval proces
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Old 12-21-2007, 02:05 PM
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Default RE: My new Q40 STREGA airmodel

I couldn’t explained better.
Thank You GS
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Old 12-21-2007, 06:42 PM
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Default RE: My new Q40 STREGA airmodel

Wing mould ready
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Old 01-01-2008, 07:54 AM
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Default RE: My new Q40 STREGA airmodel

All moulds ready..[sm=bananahead.gif]
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