42145: Airbus H175 Rescue Helicopter Building Bloocks by 8th Feb,2023.
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February 8th, 2023
Set of motors, battery boxes, propeller blades and other parts in accordance with the usual separate packaging, although the battery box looks very much like the latest LEGO Control +, the motor and battery box is also connected with a flat new regulation interface, but it actually does not have Bluetooth remote control function, the main play is still to rely on the body of a variety of physical switch control, power supply is also still the use of LEGO ancestral 6 section five dry batteries, stuffed with battery compartment The future is really very fallen hands.
The end of the yellow part of the rotor blade is different from the main body of the soft rubber structure, can effectively reduce the damage caused by inadvertently hit when the propeller rotates at high speed, a great praise.
The first pack of parts centered on the battery box constitutes the base plate of the entire helicopter. The linkage mechanism between the front landing gear and the two main landing gears needs to be squared off with a few yellow cross shafts, properly assembled as shown in the figure.
The second package is mainly used to build the cockpit and joystick and rotor linkage mechanism, a variety of linkage construction is quite clever, many designs in the official LEGO kits are quite rare. However, a large part of these structures are not completely fixed in the assembly process, but also to the subsequent steps to leave a false position, to a few steps later and then combined, the first time to start will inevitably be a little uncomfortable.
The complex gearing and transmission makes the third package much more difficult. A slight distraction of various gears of different sizes and colors will cause the linkage to stall, so be sure to carefully check the gear linkage and gear switching in a timely manner against the manual when assembling.
The fourth package made up the remainder of the rear fuselage as well as the separate tail brace. The yellow on the tail is not the classic yellow I expected for an engineering vehicle, but instead has some fluorescent yellow to it.
After the fifth package was made into the white canopy and the back of the head on top of the fuselage, the H-175 helicopter was completed.
Finished product quick view.
The doors on the left and right sides of the cockpit can be opened to the outside, by pushing the cabin and the left side of the cabin door next to the joystick to control the helicopter's propeller hub and blade angle, partly to achieve the function of the helicopter's complex rotor adjustment system in reality. However, the two linkage joysticks inside the cabin are large and often need to be pushed to the end to achieve a small range of adjustments, which can be slightly inconvenient to play with.
There are a total of four snap-in parts on both sides of the fuselage before and after the top of the machine, respectively, and these snap-in parts can be loosened outward to push open the front and rear shells to show the internal mechanical structure.
One of the main selling points of this H175: the two adjustable main rotor and tail rotor speeds are controlled by the power switch and the gear switch on the left side of the fuselage. The overall rotor speed is a bit too low in the low-speed preset gear, and there is a slight stuttering feeling when it first starts to operate, so I personally recommend to show it in the high speed gear.
The control panel on the left side of the fuselage also has two switches, the lower lever is used to control the landing gear retraction/expansion, the operation procedure is similar to the rotary wing low speed/high speed gear switching, you need to turn on the power switch and then toggle the switch to the desired position. Due to the large weight of the fuselage, it is impossible to successfully complete the landing gear retraction process when grounded only by the landing gear, and this function can only be demonstrated properly when the landing gear is not grounded.
At the same time, because the landing gear is essentially controlled by a small telescopic rod in the cabin, the mechanical switching of the panel switch is often slightly lagging, the actual play will often appear after the telescopic rod extended / retracted to the limit of the position of a short tooth, can not do infrared and Bluetooth remote control to start and stop the feeling, the operation will also be slightly cumbersome.
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The first pack of parts centered on the battery box constitutes the base plate of the entire helicopter. The linkage mechanism between the front landing gear and the two main landing gears needs to be squared off with a few yellow cross shafts, properly assembled as shown in the figure.
The second package is mainly used to build the cockpit and joystick and rotor linkage mechanism, a variety of linkage construction is quite clever, many designs in the official LEGO kits are quite rare. However, a large part of these structures are not completely fixed in the assembly process, but also to the subsequent steps to leave a false position, to a few steps later and then combined, the first time to start will inevitably be a little uncomfortable.
The complex gearing and transmission makes the third package much more difficult. A slight distraction of various gears of different sizes and colors will cause the linkage to stall, so be sure to carefully check the gear linkage and gear switching in a timely manner against the manual when assembling.
The fourth package made up the remainder of the rear fuselage as well as the separate tail brace. The yellow on the tail is not the classic yellow I expected for an engineering vehicle, but instead has some fluorescent yellow to it.
After the fifth package was made into the white canopy and the back of the head on top of the fuselage, the H-175 helicopter was completed.
Finished product quick view.
