42050 Drag Racer upgrade – inner details

As I don’t have the resources at the moment to create building instructions for this set and the changes are not that difficult, I think it is enough to share some detailed photos of the set without the body. I also took some photos of the two sets side-by-side to make the differences visible.

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42050 Drag Racer upgrade – real wheelies!!

And finally, here is the second part of the 42050 Drag Racer video where you can see if the upgraded version can do real wheelies by itself (hint – it can 😉 )

The body panels and the stickers of the upgraded version are mostly coming from the 42041/8041 Race Truck, I think they fit perfectly.

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Making of the BMW WR 1000 action shot

As many of you were curious how the motion effect of this series was made, let me show you some behind the scenes shots about it. The Rebrick contest allowed only 5 photos to be submitted, I wanted at least one of them to be really dynamic and to show the motorcycle in motion. I had some vague ideas at the beginning how this can be achieved, but with the help of some household items and leftover furniture pieces the following setup was born:

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BMW WR 1000 – Lego Rebrick contest entry

I’d like to present you a project I created for the BMW “Build to the future” Rebrick contest. The aim was to create a futuristic BMW motorcycle while trying to match the style and colors of the brand. I did not try to add too much Technic functionality to the bike, I was rather focusing on the look and the overall presentation/photos. My submission entry was the following:

In the late 21th century only autonomous connected vehicles are allowed on public roads. Motorcycle enthusiasts can compete on closed tracks. The BMW WR 1000 is one of the finest examples of the specialized two wheelers built with a sole purpose – speed. Continuing the legacy of the world speed record breaker WR 750, this 1,000-HP all-electric motorcycle is the king of the tracks. It has two wheel hub motors powered by a quick-swap battery pack, enclosed in a lightweight carbon fiber tube frame. 

Main highlights of the model:
– “tube frame” made of Technic axles and connectors
– quick-swap battery pack secured by a single pin
– integrated headlights and back lights with hidden wiring
– adjustable rear suspension
– front and rear hub wheel motors
– integrated cooler for the battery pack
– driver (robot-like Bionicle figure was created due to the restrictions of the contest, I could not use parts from other themes e.g. Star Wars)
– solar charging station for the batteries
– body panels matching the BMW color scheme

You can see the 5 entry photos for the contest and some additional ones. It was a nice challenge to create the first “action shoot”, I’ll share the creation process later in a separate post if you are interested.

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42050 Drag Racer – will it really race?

The second project is about the 42050 Technic Drag Racer. Check the first part of the video below:

The Drag Racer has an impressive appearance

But it has some issues inside, like the lack of proper headroom and legroom

So we can try with a smaller driver

but I’m not sure he’ll be able to handle the situation properly…

As you saw in the video, the set itself is well designed and has a decent look. The problem is with the factory motorization option – adding the M-motor and the AA battery pack barely adds any functionality. Steering remains manual and you cannot even control the set remotely, I added the PF receiver to have at least some remote functions.

So, we have some work to do to have these issues corrected. Stay tuned for the next part!

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Because you need a V8 :)

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New project! Can you guess the set I’m building?

After a short break we’ve got a new project ongoing! As always I start with the “official” set, can you name it? 🙂

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42065 RC Tracked Racer + SBrick + Android game controller

I created a separate video with the following setup – 2 buggy motors + BuWizz + SBrick and controlled with an Android-compatible game controller through the great SBrickController app of imurvai – you can find the link to the app in this Eurobricks forum thread.


I was not aiming for maximum speed here as the power output of the BuWizz unit cannot be changed (yet) when it is used as a power source, but personally I still prefer physical controls so there it is 🙂


You can see in the video how the app is configured. As I could not use the known setup of the SBrick app for tracked vehicles (joystick controls turned by 45 degrees) in this case, I assigned the forward/backward movement to the left joy, and the left/right turn to the right joy. The commands are somehow overlapping I suppose but it still works pretty well 🙂

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42065 RC Tracked Racer with 2 PF train motors

I received a great suggestion from the Eurobricks forum – test the 42065 RC Tracked racer with PF Train motors. Their rotation speed is almost as high as the buggy motors, so definitely worth trying.

Here is the quick setup I created:

Based on my tests the speed is pretty ok – definitely faster than the M motors, but not as fast as the buggy motors. Unfortunately the climbing abilities are not that good, the PF train motor starts to slip quickly when it is loaded. The maximum slope it could climb was around 20 degrees only, worse than the M motor version.

The speed could be increased if I would install 2 additional PF train motors, there’s enough space for them if the power source is moved. Unfortunately I don’t have two more, but I would be happy to see that configuration if any of you have the necessary amount of motors 🙂

 

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42065 RC Tracked Racer + 2 buggy motors + BuWizz – inner details

Thank you very much for your nice feedback on the previous post & video, really appreciated! Most of you were interested in the details of the 2 buggy motors + BuWizz configuration, so here you go 🙂

You can find below some detailed photos of this version:

On the last one you can see a previous version of the chassis as well. I tested the setup first with the lower-speed output of the Buggy motor, this way I could keep the original hinge for the body. I could not resist to stick to the higher-speed output later 🙂

 

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