PIYURIN .010 * flight video *!! and now also .020...*flight video*

Beautiful!!! My friend you build most Stunning model airplanes

Exceptional, Mauricio! Simply exceptional all around!

Marleysky wrote:Excellent craftsmanship! The almost look to pretty to fly!  We’ll be waiting for your video!

Thank you very much my friend, as soon as I have time, I will make a flight video ... I have not released it yet!

balogh wrote:Breathtakingly beautiful Mauricio. Very nice cover design as well. Looking forward to seeing the maiden flight.

Thank you dear friend !, I am here with rain and bad weather, as soon as the weather improves and I have free time, I will go for the premiere !! ... of course, I will share the news and video!

1/2A Nut wrote:  Mauricio has done it again!  





It looks great good vintage colors, is it the same size as the TD .010?
I shared your pics on RCU:
https://www.rcgroups.com/forums/showpost.php?p=41906261&postcount=1939

dear friend Brad, thanks for the encouragement and thank you very much for sharing the link with more people who enjoy these models, big hug for you! ... soon I will make video!

Wing span .010 = 475 mm
Wing span .020 = 506 mm
Length .010 = .020 = 400 mm (not including the engine)

getback wrote:
Beautiful!!! My friend you build most Stunning model airplanes

Thank you very much friend Eric! ... I am very happy that you like these works!

Tee Bee wrote:Exceptional, Mauricio!  Simply exceptional all around!

Friend Tee Bee !! ... thanks for leaving your comment! I'm glad you like the model ... soon I'll make your maiden flight!

My dear friends, I share with you the PIYURIN video .020.      
As a personal comment, I said that I was surprised by the speed of flight, it is really fast, very fast, I like it ... it generates a lot of adrenaline, it demands a lot of concentration during all the time. You can see in the video that for a moment I almost lose control, but I could happily solve it ....
I'm happy with the result and I hope you like it as much as I do!
Hug for everyone!

Fast! Mauricio. I think that qualifies as understatement of the year.

There is no way my reaction time and eyesight would keep up with that little speedster.

I think you are very courageous (and talented) to fly such a beautiful little plane at that speed on it’s maiden flight.

Flew very well like the other one!  
(sun to your back is safe and colors are more noticeable still need a new camera for 1080P)



4.5x2 stock prop
Best pass 24,870 rpm / 47 mph
Peak rpm in a dive 26,243 rpm / 49.7 mph

What is the finished weight ready to fly?

 

Davenz13 wrote:Fast! Mauricio. I think that qualifies as understatement of the year.

There is no way my reaction time and eyesight would keep up with that little speedster.

I think you are very courageous (and talented) to fly such a beautiful little plane at that speed on it’s maiden flight.    

Thank you very much for your comment, you are very kind! ... how nice it would be if you could appreciate it personally, it's lightning !!! ... the fastest model I've created and friend Brad (1 / 2A nut) has I see a lot in this!

1/2A Nut wrote:  Flew very well like the other one!  
(sun to your back is safe and colors are more noticeable still need a new camera for 1080P)



4.5x2 stock prop
Best pass 24,870 rpm / 47 mph
Peak rpm in a dive 26,243 rpm / 49.7 mph

What is the finished weight ready to fly?

 

Friend! ... Wow! ... you if you're used to speed! At first I thought I could not handle it !!!, then I got used to it and now I start to enjoy it !!!. ..is really fast this jewel !, it's fast! ...
Well, according to your questions I answer:
The PIYURIN .010 has three sub-micro servos of 4 grs. and it weighs 139 grs.
The PIYURIN .020 has three Turnigy micro servos of 6 grs. with more wingspan and weighs 178 grs.
thanks for leaving that data there!

Thank you, I posted your flight info on RC Groups:
https://www.rcgroups.com/forums/showpost.php?p=41936627&postcount=1942
Yes you had a good taste of some performance! You can try the Cox 4x2.5 for a
bit more speed.  

Imagine now NANO IV: 3.37 x 4.5 Prop best peak hit 28,585 rpm / 122 mph pitch speed.
Best pass with Doppler 114 mph.


Another prop you can try:
https://www.ebay.com/itm/E-flite-3-75-x-3-Propeller-UM-F-27-FPV-Q-EFLUP037503/392265144929?_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D1%26asc%3D20190212142712%26meid%3Db1f5c70e628b46b58ed0841de680705f%26pid%3D100037%26rk%3D2%26rkt%3D6%26sd%3D323767473596%26itm%3D392265144929&_trksid=p2047675.c100037.m2107



Published on Apr 3, 2016
Lil Speedy TD .020 / 3.75x3 / 31,257 rpm / 148.37 km h / 92.19 mph
Another good reading from a pass about 40ft up / 153 km h / 95mph
Winds 6 to 8 mph. 80 F / Per Doppler and audio app best passes

Bravo Mauricio, a beautiful project and  flight demonstration! I

thank you very much friends for the comments!
Brad, I appreciate that you shared the model in the other forum, thank you very much.
Respect to go faster .... mmmm I do not think !, haha is enough for me!, Haha this bird is very fast .... and demands all my attention, so when the time passes perhaps then look for more speed!
Hug!

It just takes practice to get use to the speed it has, with a higher pitched prop you can always throttle
down and punch it in the straights till you get use to full throttle non stop.

Imagine flying a smaller plane with a screaming TD .010 with no throttle control hitting a peak of 130.4 mph.

At launch your heart rate jumps up uncontrollable and breathing gets loud on camera, after about 2 minutes you
calm down enough to hide the breathing from being recorded by the camera mic. You can not blink much as the
difficulty of maintaining a micro plane speeding bullet has all your attention. Even still after 10 flights or so you
start to get use to the speed as the plane is trimmed up well and you know how fast it moves in the sky. Tracking
it becomes second nature between blinks after so many flights you want to make a faster one.

Well i think it was very fast to me even if the radar says 46 mph ? I would bee freaking out at first i guess too even if i could fly as good as you Mauricio !! Great project and Maiden flight

Eric the size of the plane at it's given speed makes it fast to the eyes requiring attention beyond the
more typical larger 1/2A RC models. That particular wing is 22" span allowing the weight capacity
to be generous / lands into the wind with ease. The Lil Speedy II in retrospect is 16.5" span
66 sq. in. and has flow with a TD .010 / .020 and .049. The Piyurin would do well with a TD .049
with a radial mount. It will fly with a thrust to weight that is uninhibited by wind able to go straight
up into the clouds without hesitation. Would require a throttle to master the performance.

The Cox 4D x 2.5P gives it a bit more speed the thrust is still good but less then with the 4.5x2



Published on Jul 12, 2014

TD .020 3ch Lil Speedy I
21in span exhaust throttle sleeve, flying with a Cox 4 x 2.5 prop.
10cc tank / With fuel RTF 5.3oz / 25% nitro 18% castor
Static 17,603 rpm / Best pass unloaded 25,579 rpm / 61 mph PS
The small TD .020 made static: 3.3oz thrust / 42 mph pitch speed
.025hp or 19w of power to fly like it does is amazing!
I did try the APC 4.2x2 the rpm was good and I could tell there
was a bit more thrust, speed was less by around 6 mph solid
smooth pulling with that prop.


 

Hello my friends! ... after making my first experiences with the Piyurin .020, I decided to build a wing to do aerobatic maneuvers without losing its speed qualities, I am very happy with the results and I share here the video of my new experience , Piyurin .020 with acrobatic wing.
I hope you like the video and I will be happy to read your opinions!
Thank you!

Great aerobatics Mauricio...as much as I could see .  In what details does this aerobatic wind differ from the original one? Is this a symmetric airfoil?

My great friend András ... it would be a pleasure to be here and you can see him personally! This is one of my best models .020! ... tomorrow is my free day, so I am loading the batteries to go enjoy it again! !
Regarding the differences are the following:
Increase of the wing surface
Change of the surface and its shape, from Elliptical to trapezoidal.
I have increased the wingspan, it is 568 mm VS 506 mm
The wing profile is the same.
I'm very happy, I'll probably do a couple more of these models. I love the Cox line, especially the .020!
It does not stall at low speed !!!

The new wing certainly allows for plenty of lift.
Not as sexy as the elliptical wing.

Larger ailerons would have allowed good roll rate with the elliptical wing but
if the surface area was not giving you good loops than the other choice would
be stunt flaps aka a separate servo for each flaperon. With stunt flaps mixed
in with the elevator it would most likely loop very tight.

Hey Brad, I got here a travel and used propeller 4 x 2.5 Racing Cox, I'll see the results and probably order some new!