However, if the power system of the helicopter is changed from a piston type to an electric system, he is not sure whether it is feasible. After all, he is not a helicopter designer, so he should listen to the opinions of the helicopter designer.


    So he immediately found the helicopter designer they told him, told him his ideas, and told the designers of their company what Wang Bin had said before.


    "Mr. Du, what you said is true. There is such a technology. If there is such a technology, my suggestion is more inclined to use electricity and motor as the energy and power of the aircraft. In this way, we don''t have to ask foreign aviation companies.


    Secondly, if electricity is used, the structure of the aircraft will be simpler, the safety will be safer, the maintenance will be easier, and most importantly, the cost of helicopter flight will be reduced.


    According to my calculation, if what you said is true, Mr. Du, and the safety is guaranteed in terms of batteries and motors, once electricity is used as energy, the overall travel expenses of our helicopter buyers in the future, even including the maintenance and repair expenses of the helicopter, will directly reduce the expenses by seven or eight tenths So I very much agree with the use of electricity and motors as the power and energy system of aircraft.


    As for the helicopter we have designed, since we tend to use electricity as power at the beginning of design, there is no problem that the helicopter itself is driven by electric system, and there is no need to make large-scale changes or even redesign for internal results.


    Of course, the specific aspect depends on the battery volume and weight provided by the battery company. If the volume and weight of the other party''s battery exceed the volume and weight of lithium battery, it''s another matter, "said their technicians.


    "That''s good! Get ready. We''ll go to this company to learn about their batteries and motors these two days. If it''s really feasible, we''ll directly use batteries and motors as the power system of the helicopter." after saying that, Du Haili''s mood finally got better.


    ........


    At this time, Wang Bin, Yu Pingping and others finally returned to their Tiangong Technology Corporation. After returning, they began to completely disassemble the UAV that had been tested, even including the engine of the aircraft, to determine all the data after the UAV test flight.


    However, when Wang Bin and his colleagues were disassembling the Tiangong 001 UAV, his mobile phone rang, so he looked and found that it was the guard at the door.


    "Mr. Wang! There are people from northwest Aerospace who want to meet you and talk about cooperation projects with you." just after Wang Bin answered the phone, the guard said.


    "There are a few people. If there are not many people, take them directly to my office!" Wang Bin said.


    "OK!" then the doorman hung up, and Wang Bin put his mobile phone back in his pocket, explained to Yu Pingping and others, and returned to his office.


    After returning to the office, they didn''t wait long. The guard of Tiangong technology came to his office with three people.


    After introducing himself and explaining his intention, Wang Bin knew that these people were indeed from the head of a space orbit Telescope Project at a space base in Northwest China and his two deputies.


    The name of the project leader is Lei Yifei, and the names of his two deputies are Yang Hongying and Ren Zhengxi.


    "Mr. Wang, the purpose of our coming to Tiangong technology this time is precisely for our ongoing project, that is, the high orbit space telescope project.


    As we all know, because space telescopes are different from ground-based telescopes, the manufacturing difficulty is definitely much higher than that of ground-based telescopes. At present, few countries in the world can manufacture them. Now, Huaxia can only manufacture small-diameter orbital space telescopes, but can not manufacture large-diameter ones. The most important difficulty lies in the main lens of orbital space telescopes.


    Not long ago, because Tianyuan optics under Tiangong technology has made a great breakthrough in ground large aperture astronomical telescopes, it has been able to manufacture the world''s largest ground ordinary optical telescope. As the head office of Tianyuan optics, I think you should not be too bad in this regard.


    Most importantly, there is still a big gap in the performance of the optical glass produced by your Tiangong technology and the special glass mastered by your Tiangong technology. Therefore, we want to ask President Wang whether your Tiangong technology has the ability to manufacture large aperture optical telescope lenses in space orbit.


    Of course, the large caliber I mean here is more than two meters but less than seven meters. After all, once the caliber exceeds seven meters, we can''t send it into space. At the same time, in terms of weight, I also hope to try to be as light as possible without affecting the performance of the main lens of the telescope. "


    After listening to Lei Yifei''s words, Wang Bin didn''t answer immediately. After all, this is the main lens of the orbital space telescope! This is not a simple project. It can be seen from Lei Yifei''s visit.


    However, although Lei Yifei''s space telescope main lens is very difficult in terms of technology, even with their existing capabilities of Tiangong technology, it may not be possible to manufacture it. Maybe Wang Bin must turn to the technology mall. However, in fact, Wang Bin is also very interested in this project, After all, this is to build the world''s largest space orbit optical telescope! And it''s not a low orbit telescope, but a high orbit telescope.


    Thinking of this, he opened his mouth to Lei Yifei and said, "director Lei, I am still very interested in the main lens project of the orbital space telescope, but you know the difficulty of manufacturing such a main lens, but we Tiangong technology can also try to see if it can succeed, and I can''t guarantee it to you now!"


    "Mr. Wang! Of course I know the difficulty of manufacturing such lenses. Otherwise, we won''t ask Mr. Wang to come to Tiangong technology.


    So, Mr. Wang, you Tiangong technology only need to do your best. If you really can''t develop such a lens, it''s OK! We don''t demand it, "Lei Yifei said.


    "That''s good! Director Lei, about the research and development of the main lens of the orbital space telescope, we Tiangong technology will try our best! But I think there is still some hope to develop such a lens with the ability of Wengong technology." Wang Bin also said with a smile.


    Later, several people chatted for a while. When Lei Yifei was ready to leave, he said to Wang Bin, "Mr. Wang, let''s make a deal. I''ll go back and report it to our leaders and specific R & D funds. In a few days, special personnel should come to discuss with Mr. Wang.