ZOOM Copter ...my crazy head is thinking..

Hi MauricioB,
Thanks for sharing this project.
I like the part,
Where the blades are made from rulers...
And you measured how far they went !
With ! A Cox Engine !
Too Cool !
Take care,
Have fun,
Dave

It flys as good as the Cox helli ! I thought it was going to circle around after you turned it loose , that would bee cool . 17km / 10mph is about the limit for fling 1/2 a also Good job on making a non motor helicopter powered by Cox now

Friends, thank you very much for the comments, everyone always making this a great team, the CEF team!
Well, well, seeing the result of my Zoom Copter, then I bought another one, this time in black, I am going to use one more blade, I am going to make a new blade support head in turned grilon and that can mount the 4 blades.
I like this challenge too.
I would like to experiment with the autorotation of the 4 blades.
Ask:
Does anyone have the weight of an original COX .020 SKY COPTER?...just to get an idea of what the Cox Pee Wee can haul out of the box.
Thank you!!!...we continue the process!...



Sorry, this photo is not focusing!

Thanks a lot Bob for the info and taking the time to weigh your helicopter.
It looks like I'll be within normal weight!
96 Gr = 3.3863 Oz

Well friends, I am pleased to share the new 4-blade helicopter, this time in black.
Fabricate a shank rotor.
You can see in the photographs the procedure for anchoring the bicycle spokes.
The cover is fastened with the screws that in turn hold the motor and have slots for the air intake of the motor venturi.
In the tests inside my workshop, the helicopter holds up and wants to leave immediately, I think that the 4 blades work better than three.....we'll see!...hugs to everyone!

WOW That was fast ! You didn't have to make any thing for the rotor to turn ? OR you just got this down pat now anyway looks good and should fly Hi !

Thanks guys;
Eric, on the fuselage of the new helicopter I did the same procedure as on the previous one, I placed an inner hub of grilon, at the end the axis is supported by a collar ring.
Bob, perhaps in these photos and drawing the rotor head can be better appreciated...

I'm glad Bob can understand!
Here is another detail:
The holes are through holes and fulfill 2 functions:
1) They are the anchorage of the bicycle spoke curve, so that it always stays in the same position.
2) these holes are through, (marked with green arrows), they in turn fulfill the function of draining the engine, prevent fuel or oil from accumulating, preventing the engine from drowning with excess fuel.

Test:

Nice work Mauricio!!!…,It will be interesting to see how the four blade rotor compares to the three blade rotor….. Looking forward to first flights

My friends, thanks for the messages!
Roberto today I went to the club, but I didn't launch it to the Heli, because the wind was 20 km/h, I really wanted to, but the day didn't go with me...soon I hope to be able to launch it, yes, I got into the I gave up the club, I walked and laughed with my friends about how I wanted to escape!
Bob, hahaha, the Dr!, haha...look, I made a drawing.
Yes, the tank has a fuel collector, it is made with the tube of a pen and soldered with a soldering iron by melting the parts. See if you can see what I want to share.
A and B, it is the same hole through which the fuel enters and through which the air enters.
C, centrifugal force (carries the fuel to the extreme).
D, fuel outlet, goes to the engine.
E, plastic pen tube, fuel collector.




These were some preliminary trials until I learned which was the best position:

Well, here these days it is very windy, therefore I dedicated myself to improving the appearance of the fuel tank, it even works better.
Inspired by Bob's helicopter photos (thanks Bob), I made this tank from a piece of turned grilon.
The photos show the process, it really works great and looks even better.
I changed the orientation of the cylinder and that way I have better access to the regulation needle.
Now I have to balance the system again.
I hope you like the work!

Making adjustments:
A: Balance control.
B: Blade alignment control.

That looks much better and bigger for more fuel to , You and your lathe do some very nice work Mauricio The balancing of the unit looks precise , the running was great where the Heli was ready to blast off from the table and engine run very good/your engine always start easily with just the flip of a finger .. Hopefully the wind will calm soon so to get it air born Nice work my friend !!

Hello everyone... well, the windy days continue here, August is a windy season in this territory, meanwhile I couldn't help myself and do a rehearsal indoors, a very small space, but I had to, haha
Checking that the Zoom Copter wants to fly...outdoors, one gentle push and it will go...I hope so lol

Buenas noches Mauricio. Tu helicóptero volaba muy bueno en tu mano. Good evening Mauricio, your helicopter flew well in your hand.

Estes motores pequeños de Pee Wee aman Nitro. Qué es el nivel de Nitro, ¿15%? These small Pee Wee engines love Nitro. What is the Nitro level, 15%?

Si así, entonces está llorando por 25%. If so, then ir is crying for 25%.

Gracias para nos estás mostrando tu video. Thank you for showing us your video. Tu obra es muy profesional. Your work is very professional.

Dios le bendiga todo. God bless you all. - Jorge

Really nice balance on the rotor Mauricio!!!…. It looks like the weight verses the lift of the engine is close so it may stay closer, longer on a calm day…. It takes a good skill on the machine lathe to completely re-engineer the helicopter to become gas powered free flight….You should send photos and video to the company that made it initially…. I’m sure they would be surprised and also pleased

Look at you running engines and Now fling Heli's in the house You got it bad son / It seems to launch without a problem , good eye catching it before it got loose on you .. You could tie a string to it and fly it like a kite LOL I was thinking the same thing about what Robert said >> ( You should send photos and video to the company that made it initially…. I’m sure they would be surprised and also pleased Very Happy)) Good day Friend !

First glow powered indoor helicopter? A record?