Tommy Styrvoky
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Everything posted by Tommy Styrvoky
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Lego AEC MK. III Armored car (RC) by Tommy Styrvoky, on Flickr More progress, the chassis is complete, the transmission shifts, the steering works and suspension is complete. Heres a short video of the vehicle crawling over some boxes. https://flic.kr/p/p95obg -
It should be short work, until I start working on the body, that may cause me to have to redesign parts to fit the proper shape of the body. I'm just trying to make the chassis as low profile as possible and hopefully I will find a way to cover up those XL motors. For protection when I drive it in the snow.
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Lego AEC MK III Armored car (RC) by Tommy Styrvoky, on Flickr Transmission was added to the model, with a 12:1 in low gear and 4:1 in high gear (portal axle reductions included). Rear suspension was added, the steering motor was mounted with steering box on the rack and pinion. Though the motor may be moved to lower the area near the axles for the fenders.
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That would be way too high for the vehicle, It would have problems with mounting plates for the front and the sides.
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it lacks the springs so the caster angle will be closer to perpendicular with the ground, the whole model is propped up by a XL motor.
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more progress, the rear axle is complete and I have begun working on the transmission and steering assemblies. Lego AEC MK. III Armored car (RC) by Tommy Styrvoky, on Flickr
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I sort of stumbled across the idea of building an armored car. It happened when I was browsing through some of the 1/35 models at a hobby store, I saw a few British variants of armored cars. Following that day one foot of snow fell. I then researched some armored cars, a new sort of a project for me. As a am usually used to building tracked vehicles, having little experience with 4x4 vehicles ( this is my first 4x4). This vehcle is sort of a hybrid between a crawler and a tank. It will have a durable chassis with a 2 speed transmission powered by 2 XL motors. I would say that the gear ratios will be around a 3:1 for the low gear and 1:1 for high. With the current axle that I have built, it has portal hubs that add an additional 3:1 ratio to the driveline. the real vehicle blueprints scaled with Sariel's blueprint scaler. AEC MK.III armored car blueprints by Tommy Styrvoky, on Flickr Here's the frontal axle, it still lacks the steering motor and gear reduction. Lego AEC MK. III Armored car 1/15 (RC) by Tommy Styrvoky, on Flickr Lego AEC MK. III Armored car 1/15 (RC) by Tommy Styrvoky, on Flickr
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Well after receiving aver a foot of snow yesterday, I thought about building a crawler like vehicle and after some thought. I wondered if anyone had ever used actual lego chains for snow chains. All I have seen used us rubber bands and bricks. so here's my idea for chains. The chains can move but they will eventually get caught on the tread of the tires and pull on the chains. snow chains concept by Tommy Styrvoky, on Flickr
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I had some problems with uploading the video, so here's the internals video.
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I tried something new, I made a video showing the internals of the model. it should be up in a hour and 20 minutes.
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amazing model, I like all of the features crammed into it. :thumbup:
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it's cheaper than a NXT though and smaller, I don't have the parts either but it's around $70-$80, unless you use bricklink.
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The 2 systems are separate. The gun carriage has a m motor and linear actuator attached to the gun barrel for elevation. this allows for the gun to elevate/depress, while the servo keeps the carriage level with the ground. Though it will tilt the carriage if the hull of the tank changes position . I suggest mounting the battery box in the hull and the servo in the turret. it seems like there's enough room for this mechanism in the front or rear portion of the hull, the drawback is that if the tank is facing backwards... well there could be a switch that changes the polarity of it once it reaches past 180 degrees.Another problem that I thought of when designing it is that if the tank speeds forwards or falls the gun will move up or down (though most real vehicles do this) a solution to this is that there's the same gear ratio on the servo as the battery box. the servo normally rotates 90 deg. in 7 increments but if it's geared down to 30 deg. with 7 increments, this allows for a total of 60 deg. of stabilization. allowing the gun to tilt roughly 4 degree's per increment or 3-4 studs of vertical movement per increment
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the sevo and counterweight would probably be geared down to move 30/7 either direction and I'm posting this idea for this tank http://www.eurobrick...showtopic=96453
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I was wondering about making a self leveling gun that would keep the current position of the barrel if the vehicle's hull wasn't level with the ground. This concept uses a servo attached to a gun carriage with some gearing to allow the gun carriage to "float" freely when the ground angle is changed. A counterweight attached to some gearing on the rechargeable battery box allows for 15 positions of the counterweight, The servo mimics those positions and compensates the barrel by moving the gun up how many positions the counterweight has moved. The elevation mechanism for the gun is attached to the gun carriage. Here's a image of what I mean, I don't have the parts to test it, but if someone is willing to try it would be helpful. lego vertical stabi
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I might have found a solution for a self leveling gun. It uses a servo attached to a gun carriage with some gearing to allow the gun carriage to "float" freely when the ground angle is changed. A counterweight attached to some gearing on the rechargeable battery box allows for 15 positions of the counterweight, The servo mimics those positions and compensates the barrel by moving the gun up how many positions the counterweight has moved. The elevation mechanism for the gun is attached to the gun carriage. Here's a image of what I mean, I don't have the parts to test it, but if someone is willing to try it would be helpful. lego vertical stabilizer concept by Tommy Styrvoky, on Flickr
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That's just very sad... I mean how hard can It be, it's just a matter of common sense.
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It would be in a tan/dark green/ dark red camo.
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Superb model for the scale, maybe connect the pump up to the driveline.
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if anyone was wondering about how the shots were taken in the beginning of the video, here's the motorized camera rail slider that I built out of technic beams. Lego motorize camera rail slider by Tommy Styrvoky, on Flickr
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I would say roughly 6-8 Lbs
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quite a few of the german vehicles were painted "German Grey" it would be probably closer to dark Bley, though the tracks would match the color of the tank.
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Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr I present my largest vehicle yet, the GW Tiger. Built off a lengthened Tiger II chassis, it mounts the 21 cm mrs 18 Morser. The vehicle was prototyped and only one vehicle was partially finished when the allies captured it. It features opening hatches (driver's hatch is for lights, MG side is for the battery box), there is a 5:1 ratio between the XL motors and the drive sprockets, gun depression and elevation is powered by 2 linear actuators, gun recoil, working earth spade, lights, track tensioning with the rear idler wheel, and fully independent suspension made up of a combination of springs and a couple torsion bars. Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr Lego GW Tiger 1/15 (RC) by Tommy Styrvoky, on Flickr
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Blueprints
Tommy Styrvoky replied to nerdsforprez's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
For my first model, I printed the blueprints onto graph paper, though the measurements were incorrect. Found this by Tommy Styrvoky, on Flickr I personally find that using Sariel's scaler for large dimensions, and I use GIMP for fabricating and scaling some components. LIke how I combined separate components for this Matilda II Black Prince. Matilda A27 Black Prince 1/15 blueprints by Tommy Styrvoky, on Flickr