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Posted by remlen | Oct 07, 2018 @ 04:51 PM | 5,336 Views
RX120-2S V2 - update

Russian version http://forum.rcdesign.ru/blogs/198531/blog23452.html






I finally found a very good ESC for this helicopter's tail engine.
This is the regulator ZTW Spider PRO Premium 20A OPTO ESC
I have been advised by mytdbm user to use this regulator, thank him for that!




The ESC is quite old, but it can still be found on sale on Aliexpress and ebay, at a quite reasonable price.
The size of the regulator is not the smallest, it is quite a bit smaller than the H-King 10A, but it all overlaps with its most important advantage - the switching speed of the power switches. The speed is very fast! And it has a very positive effect on the work of the tail. The tail began to work very clearly and accurately. In terms of clarity, even better than the single-lined version. But still a slight rearrangement of the tail remains, however, it has become smaller compared to overshooting when using the H-King 10A regulator. During normal flight and light maneuvers, the tail behaves perfectly, without any overshoot, but with sharp steps of the step, overshoot still manifests itself in the form of a light and very frequent howling of the tail engine. Visually, this is not noticeable, only sound is heard, but this does not affect the flight.

I placed the regulator block along the frame. The tail ESC, this time, I did not modify it at all, leaving it in stock condition.
The regulator of the main engine remained all the same DYS XM10A.
In both...Continue Reading
Posted by remlen | May 28, 2018 @ 07:11 AM | 1,608 Views
I want to say thanks for the help in translating kiwi craig

Russian version http://forum.rcdesign.ru/blogs/198531/blog23404.html

RX120-2S with flight controller from V977 \ K110 - try number two!

Despite all the difficulties that I mentioned in the previous part of
https://www.rcgroups.com/forums/show...rom-2S-battery
I still managed to build a well-flying helicopter RX120-2S with a flight controller from V977 \ K110 and powered by a two cell battery.

Before further reading, I highly recommend that you read the previous entry on this topic. 
This will be the second version of the RX120-2S helicopter, as the first version was made to fly with the flight controller 150GRS, which can also be read in previous articles.
https://www.rcgroups.com/forums/show...-final-version


Outwardly, practically nothing has changed.




Minor changes have been made with the frame; It is little shorter at the front, and the tail motor seat widened slightly so that it was easier to mount various 1103 motors in the frame, with slightly different dimensions.





...Continue Reading
Posted by remlen | Mar 08, 2018 @ 10:33 AM | 2,035 Views
I want to thank Mike Jennings (MikeHRC) for the translation!!!


According to the numerous requests of all comers, the models of the three frames RX100, RX120 and RX120-2S with preassembled tail will be available.




In the future, I hope to expand the model range to larger models, but for now I'll tell you more about the models mentioned above.



RX100





...Continue Reading
Posted by remlen | Mar 08, 2018 @ 10:08 AM | 1,796 Views
I want to thank Mike Jennings (MikeHRC) for the translation!!!

Russian version http://forum.rcdesign.ru/blogs/198531/blog23185.html

After a long break, we finally managed to assemble the final version of the RX120-2S, a printed 120-size helicopter powered by a 2S battery.

The assembly of this version of the helicopter stretched into 3 stages, therefore, those who do not know it, I recommend that you get acquainted with the previous two parts of this story.


https://www.rcgroups.com/forums/show...l#post39299703

https://www.rcgroups.com/forums/show...y#post39299621

I'll start with a general view, the helicopter outwardly almost did not change, only slightly elongated the caudal fin .







However, under the canopy the changes are more noticeable. The most important changes have touched the frame.
Frame - I reworked using the flight controller Align 150GRS. To simplify the assembly, the elevator servo has swapped places with the main motor. This was done in order for the servo to work in the right direction, and it would not have to be reversed.


...Continue Reading
Posted by remlen | Mar 08, 2018 @ 09:51 AM | 1,903 Views
I want to thank Mike Jennings (MikeHRC) for the translation!!!

Russian version http://forum.rcdesign.ru/blogs/198531/blog22978.html

Today there will be a small continuation of the previous article https://www.rcgroups.com/forums/show...y#post39299621 about the printed size 120 helicopter powered by a 2S battery, so for starters I recommend getting to know it.




As I already wrote, the head of the problem in the trial version was the unstable operation of the tail. The root of this problem was in the flight controller, and it was not possible to solve it for me, not the flight controller.




So I decided to use the flight controller, and regulators, from the relatively new Align 150X helicopter. All this together is called the 150GRS Flybarless System Set and is a combination of regulators, flight controller and receiver bundled together.


...Continue Reading
Posted by remlen | Mar 08, 2018 @ 09:36 AM | 1,877 Views
I want to thank Mike Jennings (MikeHRC) for the translation!!!

Russian version http://forum.rcdesign.ru/blogs/198531/blog22702.html

Today I want to tell you about the next printed helicopter, with blades of 120mm and power from a two-cell battery.
This time it will be a helicopter, mostly based on components from helicopters KK120 and KK110.







I have long wanted to create a helicopter of this class, powered by a two-cell battery, since an increase in the supply voltage allows you to reduce operating currents, reduce the load on the battery, and increase the efficiency of the power part, which has a very positive effect on the dynamics of the helicopter. All this was confirmed by messages from users and numerous video flights of such helicopters as KK120, NSR100S and Align T-REX150. However, these helicopters have a number of drawbacks and, of course, in my opinion, the most important of them is the location of the tail motor at the end of the tail boom.
So I decided to create my own helicopter with the well-proven tail drive through the shaft, and the location of the tail engine inside the frame, and therefore powered by a 2S battery. And that's what I got.

The frame of the helicopter is already well familiar to the frame from the one-pot version of the RX120, redrawn for skis from the helicopter KK120. Rama even turned out a little easier than a single-bank version. The location of the main elements on the frame remains the same.
A canopy from...Continue Reading
Posted by remlen | Mar 08, 2018 @ 07:48 AM | 1,710 Views
I want to thank Mike Jennings (MikeHRC) for the translation!!!

Russian version http://forum.rcdesign.ru/blogs/198531/blog21967.html

This is a continuation of the previous article, about a helicopter with 120mm blades printed on a 3D printer.

After testing the trial version https://www.rcgroups.com/forums/show...r#post39299181 , I took into account all the defects, strengthened the model, and printed a new frame for the helicopter. The frame turned out to be very tough and strong, but also put on weight a couple of scales.







The weight of the frame came out the same as that of the V977 - 5 grams.

Well, in fact, the finished result


...Continue Reading
Posted by remlen | Mar 08, 2018 @ 07:35 AM | 1,646 Views
I want to thank Mike Jennings (MikeHRC) for the translation!!!

Russian version http://forum.rcdesign.ru/blogs/198531/blog21630.html


So, I want to present to you my version on the theme V977 - K110.

WLToys V977 and XK K110, these are popular helicopters that do not have strong competitors in their class. They can be said to be brothers, with only minor differences.
Like any large and affordable product, there are a number of advantages and disadvantages. I will not list them all, in my diary you can find a topic on 977 with a detailed description. Here I want to tell you what I managed to create on the basis of available spare parts from these, and not only these, helicopters, as well as using 3D modeling and subsequent 3D printing.




It all started with v977, on which I'm learning to fly for the second year. During this time, much has been altered and rethought in the design of this helicopter, but the stock frame showed its limitations and did not allow to bring improvements to a new level.
I decided to create my own frame, the main feature of which is the location of the tail engine inside the frame. Implementing this idea was not quick, there were several design options, but in the end I chose the most simple and successful in my opinion.





...Continue Reading
Posted by remlen | Mar 08, 2018 @ 07:11 AM | 1,572 Views
I want to thank Mike Jennings (MikeHRC) for the translation!!!

Russian version http://forum.rcdesign.ru/blogs/198531/blog22649.html

This is a continuation of the previous article, about a helicopter with a 100mm blades printed on a 3D printer.




After assembling the trial version of RX100 https://www.rcgroups.com/forums/show...r#post39299050 I decided to modify the frame a little and make the helicopter more compact.
In total, the frame has decreased by 4 mm.





...Continue Reading
Posted by remlen | Mar 08, 2018 @ 06:44 AM | 1,614 Views
I want to thank Mike Jennings (MikeHRC) for the translation!!!

Russian version http://forum.rcdesign.ru/blogs/198531/blog22246.html

So, continuing the theme of printed helicopters, I would like to present you one more variant on the theme V977 - K110.
This time it's the real one hundredth size.




I decided to assemble a helicopter of this size due to the presence of a large number of blades from the V977, and a suitable engine for these HP05s blades at 14,000 kV.
The basis of the helicopter was the familiar frame from the 120 version, which I shortened a little. Nevertheless, I tried to make sure that the skis from the V977 also came to this frame.

This is not the final version of the 100 size helicopter. The final version of the frame will be even shorter, and will either be with your own skis, or under the shortened skis from 977, if I manage to nicely shorten them. I also plan to try the skis from the V966, they are a little shorter, and perhaps, just fit for this frame.
And in this version, with skids from the V977, the battery basket is shifted slightly more than necessary to the front of the frame.




In general, the assembly of this helicopter repeats the assembly of the RX120. Between 100 and 120 version, there are not many differences, but they are some. As I said above, the frame is slightly shorter, due to the use of the more compact and light 5320 servo drives. Alongside the lighter servos, the main engine of the HP05s is also...Continue Reading
Posted by remlen | Mar 08, 2018 @ 06:01 AM | 1,663 Views
I want to thank Mike Jennings (MikeHRC) for the translation!!!

Russian version http://forum.rcdesign.ru/blogs/198531/blog22901.html and http://forum.rcdesign.ru/blogs/198531/blog23334.html

And so, at last the turn came to the final version of the world's smallest flying helicopter on brushless engines, with the drive of the tail rotor through the shaft.




About the trial version, you can read in the previous part https://www.rcgroups.com/forums/show...r#post39298930

The final version is very much stretched over time. There was another intermediate version of the frame, which I did not collect, because by the time I received the seal, I had already come up with a better version.

As you can see, the helicopter has acquired normal, full-fledged skis. The helicopter HiSKY HCP80 became a ski donor. Fragile skis were the main problem of the trial version and I managed to solve it quite successfully.





...Continue Reading
Posted by remlen | Mar 08, 2018 @ 05:41 AM | 1,651 Views
I want to thank Mike Jennings (MikeHRC) for the translation!!!

Russian version http://forum.rcdesign.ru/blogs/198531/blog22320.html

Once again, continuing the topic of printed helicopters, I would like to present you my version on HiSky HCP60.
Today it will be a trial version of the smallest flying helicopter, completely on brushless engines, and also with the drive of the tail rotor through the shaft.



The decision to create this helicopter was caused by the appearance on the market of the HiSky HCP60 model, which did not shine with good flight qualities, but could serve as a donor of spare parts.
I wanted to create a helicopter of this size, but on brushless engines that would provide good power to the helicopter, and also on the basis of the flight controller from the KK110 models, which would provide a more stable and smooth flight. I also wanted to create a helicopter that weighed within 25g, but after making some calculations, I realized that it would be very difficult, and I determined for myself a more real figure in 28g.
And, of course, flying a helicopter with a tail drive through the shaft, and a tail motor inside the frame, I wanted to do this model in the same way, although at the beginning of the design process, this scheme seemed to me quite difficult to implement, at a given helicopter size. In addition to all this, I wanted to use the standard 5320 servos. They are light and fast, in contrast to the worm-type servo drives used by HiSky...Continue Reading
Posted by remlen | Dec 28, 2014 @ 12:12 PM | 3,573 Views
Translated from Russian into English by OrangeBird


About equipment


Control equipment, which offers us the manufacturer, quality is pretty good, but when you consider its price complete with a helicopter, it is simply gorgeous)

But, as expected, there she has one drawback, which is easily corrected.
The top two buttons on the end panel made on conventional micro buttons. And if the left button is responsible for the different functions of soap bubbles and a photo shoot, just suited for the functions assigned to it, then that's the right button is responsible for the increased costs should be clamped and held a finger to these same higher costs worked.
It is understood that the clamp and hold a button and still manage sticks and not very comfortable.
So I replaced the native right-click on a button toggle switch. Hold there is no need which is very convenient. In this case, the appearance of the equipment remained the same as before, so I used a brilliant home key, wearing it on the switch.





The second that I highly recommend to do with the equipment - to make this dish.

The antenna in OEM TX, just a piece of plastic ( fake antenna ) , and the signal is transmitted piece shielded multicore wire which is in the housing. Purified from the end of the wire screen is 31,25mm and the transmitting antenna.
The range of this antenna is not tricky to my measurements is about 200m. This distance is sufficient with a huge margin for the flight, but !!!...Continue Reading
Posted by remlen | Dec 16, 2014 @ 04:41 PM | 4,928 Views
Translated from Russian into English by OrangeBird


WLToys V912 4-channel FP flybar helicopter 200 size.
http://www.banggood.com/Wholesale-La...F-p-54568.html

Helicopter for novice pilots, and so it can be safely attributed to the section more toys than in section serious devices.
However, for the initial dating, this is a very worthy machine.
To date, a version WLToys V912 with brushless main motor, and this version is more preferable (although it is slightly trimmed in functionality, and it is not possible to connect the camcorder, bubble machine, water cannon and crane.
http://www.banggood.com/WLtoys-V912-...-p-922661.html

If at the time of reading this post you have not bought WLToys V912, or bought and already break it) I advise you to pay attention to the other models of the same size, but without flybar, FX071c
http://www.banggood.com/FX071C-4CH-S...-p-930806.html

This model flies much better than v912. Workmanship she also higher. Well, no flybar Bole makes it reliable and durable.

In this post I want to talk about WLToys V912, so on just about it.

Most:
- Not expensive
- Very strong and beautiful stable.
- Spare parts are very cheap and available in many places.
- Flies out of the box, but no wind.
- Pretty good control for toys this level.
- The presence of additional accessories, camcorders, apparatus bubbles, water cannon and crane.

disadvantages:
- Quality of performance and balancing of the box is poor.
- Out of the box and...Continue Reading
Posted by remlen | Dec 11, 2014 @ 08:36 AM | 5,164 Views
Про держатели канопы

Держатели канопы на 912 выполнены очень слабенько, и ломаются при первом же краше.
Стоит они копейки, но покупать их не хочется, так как они снова поломаются.

Недавно появился достаточно хороший вариант держателей от FX071C

http://www.banggood.com/FX071C-RC-He...-p-940324.html

Они &#...Continue Reading
Posted by remlen | Sep 21, 2014 @ 06:55 AM | 7,707 Views
WLToys V911pro 4-рех канальный флайбарный микровертолет 80 размера.
http://www.banggood.com/WLtoys-V911-...g-p-86120.html

Вертолет для новичков, его можно смело отнести больше в раздел игрушек, чем в раздел серьезных аппаратов.
Очень рекомендую начинать знакомство с темой вертолетов именно с микровертолёт&#...Continue Reading
Posted by remlen | Sep 21, 2014 @ 06:41 AM | 4,654 Views
Третья серьезная проблема этого вертолета - это флайбар.

Он бьёт по канопе, он бьёт по хвостовой балке при крашах, он не отбалансирован, и это все не очень приятно.

Я долго экспериментировал с разными флайбарами, облегчал грузики, ставил вместо грузико&#...Continue Reading
Posted by remlen | Sep 21, 2014 @ 05:58 AM | 6,773 Views
WLToys V912 4-рех канальный флайбарный вертолет 200 размера.
http://www.banggood.com/Wholesale-La...F-p-54568.html

Вертолет для начинающих пилотов, и поэтому его можно смело отнести больше в раздел игрушек, чем в раздел серьезных аппаратов.
Тем не менее, для начально знакомства, это весьма достойный аппарат.
&#...Continue Reading