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Inspired by LEGO 8292 Cherry Picker, I've created a pneumatic rendition of that model as an alternate build of LEGO 42128 Heavy Duty Tow Truck. Pneumatic Cherry Picker by Brick Random, on Flickr My Pneumatic Cherry Picker has the following functions: steering (turn the knob on top of the cab) raise arm (pneumatic) extend/retract arm (pneumatic) turn arm (lift and turn the knob on top of the cab) open doors (manual) 4 cylinder engine driven by the four rear wheels A video demonstrating the functions: The basic shape of the original model is still visible in the final build of the Pneumatic Cherry Picker. However, the internal structure is almost entirely new, as a result of changing from mechanical to pneumatic operation of the arm, adding the engine (with two differentials for the four rear wheels) and the availability of parts in 42128. Instructions The model consists of 900 parts (all from 42128 Heavy Duty Tow Truck). Building instructions (a 215 step PDF document) are available on Rebrickable: https://reb.li/m/123565 More pictures are available on Flickr: Pneumatic Cherry Picker by Brick Random -
Update - December 02, 2023 Finished the model and ordered the pieces through BrickLink. I had to make some compromises, mainly with removing the idea of having the axles be extendable, and some issues with the safety bars of the manbasket. However, I am working with a company that makes decals for the real machine so that my MOC will have a full sticker set. Here's a few more pictures, showing how the side panels open, as well as the SNOT (potentially illegal building techniques) that I used for the glazier kit on the underside of the basket. JLG 1250AJP MOC Digital by Captain Contractor, on Flickr JLG Basket Underside MOC by Captain Contractor, on Flickr JLG Basket Underside by Captain Contractor, on Flickr Anyways, thanks for looking once more! I can't wait to share the completed thing with y'all! ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Figured I'd share some progress of a build I've been working off and on in Studio 2.0. This is a scaled-down version of a 125 ft/38m boom lift built by JLG. I'm building it in the colors of Sunbelt Rentals, which is a nationwide North American machinery rental company. So far, it has both side compartment access panels functioning, with plans to include the extendable axles just like the real machine. I hope to have this model complete and built by the end of December. Lego JLG 1250AJP WIP by Captain Contractor, on Flickr And here's an image of the real machine for reference. Sunbelt JLG IRL Picture by Captain Contractor, on Flickr Thanks for looking! -
Howdy, Before I begin, a bit of background to help y’all get into this review(?). Name’s Captain Contractor. I work as an abatement/demolition technician in America. Essentially, I have the licensing and training to remove asbestos, lead, and other hazardous building materials while also occasionally operating heavy equipment. A sect of machines that I use quite frequently is access equipment - boom lifts, cherry pickers, scissor lifts, etc. They are also one of my favorites, due to their ubiquitous nature and commonality across nearly all industries. Now, my interest in a LEGO version of them happened rather recently, when I came across a set of 3 designs on Rebrickable by user Brick Studs. https://rebrickable.com/mocs/MOC-86422/Brick Studs/boom-lift-bundle/#details This is a review + MOC extension on the first of their creations: a standard Genie S-40 boom lift (middle). Telescoping Boom Lifts Group by Captain Contractor, on Flickr Simple, iconic (in terms of the American construction industry, I do not have any experience regarding the European side of things), and overall a decent design. The colors are not a perfect match, however that is a minor gripe with no real effect on my feelings about the design. It has excellent SNOT techniques in use and a secondary jib arm connected to the boom. Genie S-40 Overview by Captain Contractor, on Flickr Pose-ability is rather limited, unfortunately, due to the weight of the basket design and the lack of counterweights in the superstructure. It is also rather fragile, with the SNOT panels and jib being held on by single stud connections. Genie S-40 SNOT by Captain Contractor, on Flickr Overall, it’s decent enough for a static display or as a transport load. Here we see it being used by a workman to repair the sign of a department store. Genie S-40 in use by Captain Contractor, on Flickr Onto the second lift. Essentially, I just produced a recolor of the Genie with a slightly different jib design and some simple decals. This one is a JLG 660SJ in the colors of Sunbelt Rentals. JLG 660SJ Overview by Captain Contractor, on Flickr As mentioned above, I made a more accurate version of the jib, giving it the functionality of also rotating the basket while still retaining the other movement functions. JLG 660SJ Side View by Captain Contractor, on Flickr As with the Genie, my JLG’s basket design is rather heavy and thus will droop if it isn’t supported. Simple, yet effective in its presentation. Here we see it giving an A/C unit removal crew access to the roof of a warehouse prior to demolition. JLG A/C Removal by Captain Contractor, on Flickr The final lift I have to show is a “Clapped-Out” Snorkel TB42. My inspiration for this one is the commonplace 80’s era access platform with a rusted exterior and 10k+ hours on the odometer (a lot for an occasionally driven machine); used by factory maintenance workers and kept alive through sheer will and constant repairs. Snorkel TB42 Overview by Captain Contractor, on Flickr Like the Sunbelt JLG, this one features simple decals and a pivoting basket. However, it lacks the additional jib arm seen on the other lifts. This is my personal favorite of the 3 self-propelled designs, due to the angular superstructure design and beefed-up chassis. Snorkel TB42 Side View by Captain Contractor, on Flickr For the last picture, I decided to just have it parked in the background, while the prior mentioned A/C removal crews maneuver the shells of the industrial cooling units for recycling (using a proper crew of operator, loadmaster, and machine spotter.) Snorkel TB42 Background by Captain Contractor, on Flickr Oh yeah, before I forget, here’s the safe working height for all three machines. They have the same amount of reach (unlike their IRL counterparts), at about 40 studs. That’s 12.5 inches or 31.75 centimeters. Boom Lifts Height Comparison by Captain Contractor, on Flickr Thanks for looking! Part 2 of this post will be on the spider lift and my custom NiftyLift re-design; with a 3rd part being relegated for the trailer-mounted cherry picker. C&C appreciated as always! Capt. Contractor Abatement Technician by Captain Contractor, on Flickr
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Hi! Two years ago, I did a motorizable cherry picker for a contest on the french forum TechLUG. So, I used the comments I had, and I decided to : - Use a more little scale - Better proportions - I did a better cab. In the first MOC, it was too heavy because of the battery box inside it. - The first cherry picker was motorizable by a M motor ; this one is only motorized, more simple and efficient. To summararise : Better proportions (I hope ^^) Only motorized I use inverted gearboxes for : - Outriggers - Arm - Turn table And the manual functions : - The steering (of course) - Extension of the arm So, here's the result: The simplest function is the steering. But there is the L motor over it. So, I used three 16t gears to turn the wheels directly by their axle of rotation. And now, the gearbox. It's an inverted gearbox : the "out gears" turn in the opposite sense. So, when you invert the position of the driving ring, you invert the rotation of a function. Here are screenshots: The outriggers can up the truck: the wheels don't touch the floor. To finish, the arm. It has a triple deformable quadrilateral. I needed so much time to do it, but it's nice to see in action. And the video :
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