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On your barrel/guides have you looked at doing a bcar? They seem to be more and more popular in flywheel applications

Where do I need to put the code in order to activate the project ?

Sorry, had to leave because the kindergarten music gives me migraines...

Can I order ?

I Cannot Get the TEC Calculator from your link! Please help me...

How did you remove and install them?

Any for sale?

The "springy" couplers are called helical beam couplers. When installed correctly they shouldn't spring but should reduce axial, angular, radial misalignment.

You're measuring DC IR. Most of the datasheets are AC IR at 1khz. Get an RC3563

Is that a 8mm diameter lead screw?

Hi, I'm planning to use this controller, but I see something about needing a code from your website? It's currently down, I haven't ordered the parts yet, but can I get that code once I have the parts? Thanks in advance!

are the blocks for sale?

Hello! Unfortunately there is no working link to this great piece of software. Can somebody provide one, please? Thanks!

Thank you. Excellent.

I’m wondering if filling only one side of the bushing would work as a compromise.

Hello, does your hotmail address still work? I am trying to email you.

Precisely my experience with these settings. Mining the web yields more confusion. Thanks for making it right!

Hi, great project! I've just built a system for this but your website appears to be down to get the code, is this temporary or permanant?

Hello, I have configured and wired everything as shown in your tutorials but I cannot get the motors to spin with the code provided. Is there a way to contact you outside of facebook?

Not practical. You just sound like a academic that hasn’t got off his computer.

Q: do you need a diode for each brushless motor if you would do a brushless setup?

How to wire and Arduino code,thanks

Thanks for the review. 1. Oem mounts are not solid. So have built in flex. 2. As a comment pointed out you can use a softer spec urethane. May solve your vibration issue.

hello, i know its been years, but do you have the stl files for the wheels?

excellent videos! I just have the same one and I'm missing the "y" axis motor support. Would you have the stl, thanks! This video helped me a lot

Thanks for the explanation on PID, i was going to use this method

The correct way to stack them for maximum efficiency is to use one with about 1/4 less surface area on top with a metal heat spreader between each stage. Also reduce the element count by about a third per stage. This gives you the full potential for cooling temperature but actual power transfer will drop quickly as the stages are stacked. That With the full surface area you can only do two of them and only get an extra 20 degrees C to show for it, however if you do the top one at less current the device will cool a lot better.

So the only problem with the PID is the slow response time? What if the cooler was supplied with like a 3d printer mainboard and pid controlled like that? also the problem with the mosfets is the power to switch the gate? so if there was an external power supply that was switched by the arduino using a relay board, to then switch the mosfet, then would that fix that problem? or was the frequency of switching also a problem? pls help

Hi , i am also unable to open the TEC calculator link. There are many people like me who will be interested in using your calculator that will aid them in their projects, do help us! thanks

Good work, a lot of information understood now, I just downloaded all files as you said, but when I´m about to see the data in the display it asks me for a code from your page, but I don´t see where to type the codein response form de page, can you light the way please

Literally the only person I've seen that's done a proper implementation of peltier enhanced liquid cooling.

The link to hobbytronics for the xloader is broken.. I did a quick google search and found it on github. Which TEC are you using in your prototype pictured?

Hello, i have problems flashing the TFT(Version to low), could you provide me with an updated TFT-file? Thank You!!!

Could you reupload?

will love to be able to play with the calculator, unfortunately the website seems to be down.

100w input for 2000w heat sounds like great cop for heating applications. Better than what a typical aircon can give. Would it then be a good Idea to heat the inside of a house with these? Perhaps with two aluminium water blocks, one on the hot side keeping the heat inside, and another on the cold side, extracting heat from the outside. I'm thinking winter conditions in South Africa where it rarely gets below 0c. I've been waiting to experiment with this for a while and this explanation of cop gives me hope. Thanks for a good explanation

Thank you for sharing your information. I really wanted to know more about PWM frequency. I believe 128 kHz is more efficient across the whole range. But I'm struggling to find any information on the net about single ESC's that can do this 128kHz. Many esc only seem to get up to 48 kHz

I have a regulator, and some old drone parts. I was wondering if I could use my RCTIMER brushless motors for this build. I also wanted to ask how you wired that for the motors. Because I know that the brushless motors have three wires instead of the normal two on small little brushed motors. I have some ESCs and know how to sotter everything. But I don't know how to hook up the brushless motors to the nerf gun...

Waiting for that video 6 years later! :D But all jokes aside, nice bike. How's it doing today? Very few of these around. I'm going to follow your videos when I eventually take my clutch apart.

Thank you for the brushless ESC nerf blaster

I suspect the 2-10% 'efficiency' (should use COP) that is often referenced .. is not just the TEC application side of these devices .. but also from the TEG application side that some people use these same devices for .. In a TEC application where a lower dT helps get a higher COP and one can use this to get very high COPs from very tiny dTs .. the same device in a TEG application sees a higher COP with higher dT .. but .. in a TEG application the materials common units are made from impose more limits the extremely high dTs , not allowing large enough dTs for a common TEG to see a COP more than those 2-10% range often referenced.

How can we control it using arduino uno R3 using PID library ?

NOTHING AFTER? WOW. I STAY HUNGRY. THE VIDEO DIDN'T FIT ME AT ALL. SHOW MOTOR STARTING BUT NOT DOING IT AFTER CHANGE THE MOUNT? TOTALLY USELESS.

Thanks for all the great videos on TEC's! Any thoughts on this concept: I have a free stream of hot air on my design, and I want to use that heat energy to boil water - and to do this I propose using a TEC to transfer heat energy from the hot air stream (using the cold side) into a heat exchanger, to boil water. Since low "efficiency" is just waste heat - wouldn't this work particularly well on a TEC? Would you recomment a couple stacked (cascading) TEC (to get the temp above 100°C), or a single TEC?

What happened on 21:23 ? motor died ?

I am interesting to rebuild this controller using a PT100 sensor. Could you please kindly send the original source code to me.

Question about the wires themselves. You seem to be using very thin wire throughout. Does the MOSFET make this possible? Are there certain lines that need to be thicker if you're using more powerful motors with their high amperage?

It was an amazing series on waterblock, Thanks! Do you have more videos that follow as mentioned in this video? On another note, how do I get the TEC Calculator tool?

You are my hero

You can drill 3 holes to fix the problem.