LEGO Vacuum Engine Tutorial - HIGH PERFORMANCE

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A step-by-step, hand-built tutorial for the latest and greatest Lego Vacuum Engine.. My personal design, version 5! Capable of up to 6000+ RPM and lots of power for its size! In this particular design, I optimized the amount of airflow as well as reduced all forms of friction by lubrication. The engine also features a newer 'slide' throttle design which is much more efficient and compact compared to a standard Butterfly Valve throttle. Feedback is always greatly appreciated, so leave a comment!
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CONTENTS OF THIS VIDEO
00:00 - Intro
00:16 - Basic Overview
00:57 - Breakdown & Parts List
01:06 - Piston
02:10 - Valve & Crank
03:15 - Throttle Body
05:51 - Base & Crankshaft
09:57 - Cylinder Assembly
12:06 - Throttle Install
13:03 - Flywheel
13:34 - Running
14:33 - Outro & End Screen
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My channel: / kfpluslegomastery
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Join the TBLE World (Technic Builds and LEGO Engines) Discord server and share your ideas and builds with the community! / discord
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Follow me on Instagram for exclusive behind-the-scenes content!
/ kfplus_lego_mastery
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Thanks so much for watching! Please don't hesitate to hit Subscribe and Like!

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18 июн 2024

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Комментарии : 905

@KFPlusLegoMastery 2 года назад

VIDEO TIMESTAMPS: 00:00 - Intro 00:16 - Basic Overview 00:57 - Breakdown & Parts List 01:06 - Piston 02:10 - Valve & Crank 03:15 - Throttle Body 05:51 - Base & Crankshaft 09:57 - Cylinder Assembly 12:06 - Throttle Install 13:03 - Flywheel 13:34 - Running 14:33 - Outro & End Screen For those of you who only need to build a specific component of the engine. Happy viewing!

@noaharmistead7433 2 года назад

Also I made a Studio model of this so that people can upload the .io file to BrickLink to automatically create a Wanted List. That way they can order the parts. Someone ordered it today and said it cost them $35 including the shipping. Look for it on the #free-instructions channel on the Discord Server.

@AlienUchiha 2 года назад

I build it step by step but it doesn't work Can you help me?

@KFPlusLegoMastery 2 года назад

@@AlienUchiha Join the discord server, we have people online 24/7 who are willing to help you out!

@AlienUchiha 2 года назад

@@KFPlusLegoMastery ok thx

@shazwansulaiman2432 2 года назад

Can I get the parts list plss I can't see from the pic well

@metalicker5738 2 года назад

I didn’t have all of the parts for this engine so I had to improvise. After hours of mind numbing adjustments I was finally able to get it running at it was so satisfying. Thanks for the video and for people looking to build this, don’t give up! Even if you don’t have all the parts, get creative and use the different parts to get the job done. Only thing you absolutely need the exact same pieces for is all the crankshaft parts. The small 1 and 1/2 pieces are essential for the engine to run and they have to be at a 90 degree angle to the 2 hole cranks on the piston side.

@darkblue4714 2 года назад

do you think you could make a video for what you did? i dont have the orange piece for piston or the skinny 6 tec piece one for the valve & crank

@renzbenjaminrsawit2641 2 года назад

Nice i also do the same thing but im hgoing to improve by making small ones

@fckda5y573m Год назад

Where did you find the 1 and 1/2 pieces?? I can't find them anywhere

@colewaldridge9572 Год назад

Can you please tell me how you built yours because I don’t have all the parts either

@relif.8937 Год назад

@@nerd5809yeah pretty much, or but the technic sets or whatever they’re called

@elistovall8240 Год назад

Made my first one tonight! Had to improvise a decent amount due to the lack of some pieces but eventually she roared to life! Awesome video, thanks.

@Helmet_Diver 10 месяцев назад

Same

@Subfordimonds 4 месяца назад

Hey man! Since u lard had a startup can u tell if you turned to vacuum to suck or. to blow?

@niteh4wkk926 2 года назад

Kfplus, I’ve been making loads of engines now and I’ve found that a 2 cylinder 4x4 is the fastest for me. The single cylinders I have built are way slower with no throttle response. How do you make your singles so quick?

@redstonegod296 2 года назад

reduce the piston crank to 2x1 and valve crank to 1.5 and a smaller flywheel i once made one and it ran on a car vacuum

@niteh4wkk926 2 года назад

@@redstonegod296 2 cylinders can run without a flywheel and piston stroke is 3stud valve is 1.5 stud i think

@averyduval662 2 года назад

@@niteh4wkk926 make the crank 1.5 instead of 3’s. Less torque but also less piston speed meaning more speed

@way2holy 2 года назад

dam what language ya speakin tf

@zachcreighton954 2 года назад

I made the exact same one cylinder as he did and it runs the exact same. Try experimenting with his mechanism and make sure to lubricate the parts for best results

@happy_soul5041 Год назад

This works so well even though I improvised so much even if you don't have the parts it still works cant wait to see new videos and a tutorial with a shifter.

@Viper69X 2 года назад

just made my own and it works brilliantly :)

@onefamtab 2 года назад

OMG this is so cool. It took really long to find the bricks but it works! thanks for tutorial

@treznotxd3765 2 года назад

Where didu get all the parts for the whole build

@highrize_2286 2 года назад

This is gonna be epic

@valentinbouvier300 Год назад

It works so well thanks you a lot for this video!

@foxlmao 2 года назад

Yo I built this and it works AMAZINGLY 👏 thank you SO much!

@redcrafterlppa303 Год назад

I built it just now and it sounds amazing and is really fast. I didn't want to glue the piston head and I accidentally started my vacuum on full power and it sucked the head right of 🤣 I needed to substitute some critical parts since I didn't have them available but it still runs incredibly smooth. Really nice work 👍

@KFPlusLegoMastery Год назад

Glad to see you had success :) I have an idea for an indestructible piston that will require no glue to stay together, so stick around!

@3rd_ACC 11 месяцев назад

@@KFPlusLegoMasteryI just build this, aplied the vacuum onto it, turned it on,put the engine on FULL THROTTLE. and guess what. NOTHING HAPPENED

@spritewitha2 10 месяцев назад

@@3rd_ACCtry again

@Sylvanas_dkm618 7 месяцев назад

⁠@@spritewitha2I have the same proplem,it doesnt work.

@ABodyAussie Год назад

thank you so much for putting all the parts at the start i was able to find all of them and make a smooth running 1 cylinder engine!

@Tjulfars_rechtes_nasenloch Год назад

Sounds AMAZING

@axelferman8127 2 года назад

making my first engine now thanks for inspiring me

@J2ko 2 года назад

Your engines are awesome! You inspired me to build one of my own and I am designing another that will be the first of its kind!

@owenrudy8291 Год назад

works great thx a ton!

@williamkoenig7433 2 года назад

This is awesome

@schemil42Wastaken 2 года назад

Thanks for parts list my guy

@Username22045 Год назад

Thank you so much i used other pieces but it worked

@josevillegasromerodaniel5841 10 месяцев назад

bro this is so cool it actually works, i was looking at gas engines and this poped up

@StealthTheUnknown 2 года назад

You know what else is moving right along? This channel😏❤️😁

@Sebastian_992 Год назад

I had all parts at home and it works perfectly thank you ❤. It just took me 5 hours to find them all in all my Lego chests. 😂 Now mine is even pretty much all red 🔴

@hanneakerlund1607 6 месяцев назад

same😂

@Evan_D_Goat 2 года назад

U have helped me so much for about a year I've been trying to build a Lego engine

@ThatFinnishAvgeek 3 месяца назад

Thank you really much! I made myself and it Works really well🎉!! Thank you (again)

@silkybulldog2800 Год назад

Works amazing tysm

@3rd_ACC 11 месяцев назад

dude. HOLY CRAP. IT VIBRATES SO HARD WHILE RUNNING. But it runs so smoothly and works so well

@KFPlusLegoMastery 10 месяцев назад

Thats a signature "feature" of LVEs.. they are loud and vibrate a lot. I can shake my entire house with just one fast engine, its crazy. Maybe I will design a counterweight for the crankshaft!

@3rd_ACC 10 месяцев назад

@@KFPlusLegoMastery YEAH. it needs it 😂

@iGPR3 10 месяцев назад

@@3rd_ACC did you have any trouble with it being stiff? i cant tell if its my flywheel being small or the crank is rubbing against the conrods. with the vacuum attatched nothing happens despite how fast i spin it

@3rd_ACC 10 месяцев назад

@@iGPR3 yeah its gotta have as little friction as possible

@3rd_ACC 10 месяцев назад

@@iGPR3 try lubing it

@motoman3093 2 года назад

I just started making engines last night after seeing this channel it’s been great and was wondering how you measure the rpm of the engine?

@taylor842 2 года назад

Look up tachometer on amazon

@KFPlusLegoMastery 2 года назад

I use a hand held laser tachometer, you can find them on Amazon for $20-$30

@paperpilot8375 2 года назад

Thank you so much 😀

@jxnion4592 Год назад

This is actually really good tuto!

@dylankastning3810 2 года назад

Do you got a link on where to get the extra parts like the orange piece on the piston or the yellow half cranks?

@taylor842 2 года назад

pretty good tutorial! i would love to see something like this but a tutorial of the rotary valve lve. it seemed really smooth and i want to know how to make it

@KFPlusLegoMastery 2 года назад

I might make one sometime soon

@trashcan_fpv651 Год назад

Yo this is so cool and i just built it and then i made a v2 of your design for better sucktion mount and i also remade the piston head so it wont pop while giving full throttle so yeah thx for ''tut vid''

@pygmyhd4242 Год назад

Thank you so much for Thie Tutorial

@the_meme_mango5306 2 года назад

Is there any substitute for the orange technic piece in the engine?

@EqualGaminG_VR Год назад

What vacuum do I use and how do I connect it? Also, great tutorial.

@demodemo4725 2 года назад

Damn this is great

@user-zr8jl8mf9f 7 месяцев назад

Thank you I’m gonna go test mine

@victorkimura5824 2 года назад

Just built mine. Sounds amazing, and pretty reliable if you glue the piston and valve.

@veikko3426 2 года назад

Mine didnt even run altought nothing was wrong

@stefanvanvliet1905 2 года назад

@@veikko3426 same for me I spend 3 hours building it and it doesn’t work

@stefanvanvliet1905 2 года назад

@@veikko3426 ok it works now I used a different wheel

@Drewskii55 Год назад

What glue do you use?

@victorkimura5824 Год назад

@@Drewskii55 I used Tamiya Cement. Super glue would probably work just as well.

@EljayB797 2 года назад

How do you actually connect the vacuum to the back of the engine? This is the first video I’ve watched about these they’re sick

@1996Joebro 2 года назад

I'm also wondering this!

@alexalvarado7397 2 года назад

Looks like he puts a Lego rubber tire on the tip of the vacuum, and then puts it up to the "window" for the intake. The rubber tire helps it seal

@GlennQuagmire-zt9dr Год назад

You put a Lego tyre on the tip of the vacuum (obviously take the thing on the top off) and that helps it suction

@gmdspeedhcr2253 5 месяцев назад

THANK YOU VERY MUCH i builded it and it sounds like beast and yeah i didnt glue my parts and i did max throttle and the engine just breaked but its easy to fix

@tommygallagher2542 Месяц назад

Gonna try this out

@thecoconutfromthetf2files 2 года назад

Just made one of my own, and I gotta say, I'm impressed. I don't have a wheel that big but I got one that works, I also tweaked the throttle a little and I noticed slight improvement. Cheers! Side note: how do you keep your vacuum on the engine? Mine is constantly slipping off, also whats the song playing in the background towards the end?

@wezeledelman761 2 года назад

Did you put a rubber tire around the vacuum thing?

@thecoconutfromthetf2files 2 года назад

@@wezeledelman761 I did, but it still managed to slip off. It's not a super big issue as I can just hold it there, but enough to where it's a little annoying. The tire works great as a seal tho

@pablosamayoa9478 2 года назад

Hey this might sound like a big favor but can someone help me track down these pieces or at least point me in the right direction? Really want to make one of my own after seeing this video and all these comments.

@deanmcbride 2 года назад

For parts try bricklink

@leonardodiaz7989 2 года назад

@@deanmcbride I got my parts from the lego store, it’s cheaper but parts are shipped separately

@oiyou9170 2 года назад

Can you make one using technical Legos? They are considerably more stable and offer much more functions than conventional ones which I think would be interesting to see. Anyways, your engine worked really well thx 😁

@jakethe1st501 Год назад

well technic beams have more wholes and gaps for air to seek through but it would be more interesting

@Convexdrdeath Год назад

I think the idea was to make an engine with the blocks that most people have

@dallas4616 2 года назад

After some improvising and maybe even improvements from the video, i got it running

@iGPR3 10 месяцев назад

im not sure if you’ll see this, but does this require a powerful vacuum? i followed your guide and had a look at other tutorials, and the engine is properly assembled but wont run.. i regularly put water in there to lubricate it when testing and it does the job. any tips?

@locallegobrix5984 7 месяцев назад

Water can create friction

@bricknplay 2 года назад

I just made the world fastest 3 cylinder SOHC with my new valve design!! I will upload Saturday!

@lesliepuiras1885 2 месяца назад

I just finished building this thing and it RIPS🔥🔥🔥🔥🔥

@bl3rry 2 года назад

I was able to make one and it works I had to make some of the lego pieces that I dident have out of other Legos but it still works ❤👍

@boywithbali3830 2 года назад

I finally made it. A solid connection DOHV Lego vacuum engine using a 4x4 piston. The base is only studs in length, and six in width. I believe this is going to be the first of this kind on RU-vid. (I inspired it from my other design for the chain driven one) I'll post it sometime soon :D :D. After some research I believe that it might possibly be the fastest of the pushrods ( With consideration that solid connections are like a family of the cam actuated ones).

@KFPlusLegoMastery 2 года назад

I believe someone else has already created a DOHV 4x4 piston, which in itself is quite difficult but I’m interested to see your design!

@boywithbali3830 2 года назад

@@KFPlusLegoMastery yes but that design revolves around cams. My design does not need springs. Thank you. Ill post it soon. I feel like I don't do a good job at explaining it lol

@gavinverbecken1460 Год назад

I made the engine exactly, it seems like yours spins way easier. I put a strong vacuum to it but it just won’t run, so you know why? Any tips?

@Tiiows_yt Год назад

your vaccum might be too strong

@Random_Uploads_edits 8 месяцев назад

I love Lego engines, they’re just great!

@KFPlusLegoMastery 8 месяцев назад

Me too!

@Jamble7 2 года назад

Mine works really well thanks

@shlushe1050 2 года назад

Should try to make some engined without the small motor crank (yellow piece crank for valve) I don't have them, and finding those isn't easy

@matthewfallon2288 2 года назад

you dnt need them yo can use some spacers and 2 hole little pieces you have to get creative but that will work

@KFPlusLegoMastery 2 года назад

You can very easily replace that piece for a 2 stud long one, you may have to adjust the length of the valve connecting rod but it would definitely work. My first LVE on youtube utilized that crank setup and it worked just fine.

@choapse8670 Год назад

i made a similar engine but when i get closer to 6000 the piston is moving up and down so fast that it rips it off the crankshaft and it shoots through the top of the engine

@Tiiows_yt Год назад

try gluing all non moving componits

@damnthiccassboye7138 2 года назад

Im going to try that

@Sneakz7 2 года назад

This is soooo cool

@KFPlusLegoMastery 2 года назад

thanks!

@forensic66666 2 года назад

scariest things on earth the dark: 10% death: 20% clowns: 30% the piston popping in your vacuum engine: 10000000000000000%

@KFPlusLegoMastery 2 года назад

Its definitely nerve racking sometimes, Lol

@acast7 2 года назад

@@KFPlusLegoMastery what would happen? Sorry I’m not good with engines…. Anyways one question is that is there a substitute for the two grey pieces that have two crosses in them. They are thin and rounded and used for the piston to keep it in place

@KFPlusLegoMastery 2 года назад

@@acast7 To answer your question, yes. You can substitute those two pieces with 4 of the half-stud axle bushings (they’re usually yellow or light grey color). Works exactly the same- Good question!

@AngryProtoBoi 2 года назад

The piston popping is just a quick scare The real threat to life is when the valve comes apart and yeets the throttle block off the engine

@LS1sLegoGarage 2 года назад

Just based on the sound I'd say it could give a turbine a run for it's money 😂

@unnamed5014 2 месяца назад

Thanks i had to improvise cause i was missing some parts 😅but it works well and the piston glueing part is very important cause the 4x4 part might fall off

@justinarseneau4450 4 месяца назад

Nice tut 👍

@blair3596 2 года назад

Hi everyone, I just finished building this awesome engine! But I am struggling to get it to start. Does the vacuum have to seal really well against the intake? Or any other tips to help get it started!! Thanks 🙏

@blair3596 2 года назад

@AlvinGZY if you watch the first part of the video he has the engine fully dismantled and all the parts are there

@releanesa 2 года назад

I need to see what the pieces name is

@choapse8670 Год назад

Well when my engines don’t run I put vegetable oil or any safe plastic oil. If not, try making sure there is no air gaps.

@i_do_youtube_nstuff2761 2 года назад

Hey! I'm the one that asked you for the tutorial of the 6000rpm engine on tiktok!

@KFPlusLegoMastery 2 года назад

One of the very.. VERY many people who asked. But great to see you here!

@bedbomber3531 2 года назад

You are awesome!

@marijnmf2805 Год назад

I did make it myself, but I needed to adjust the throttlebody a little bit (don't got all the right parts) but it works

@muggy3939 2 года назад

Can you please make a video explaining not how to build a lego vacuum engine, but the parts and how it works. I really want to build a lego engine but I just don’t think I’m understanding everything. I know this is a tutorial but I would rather build my own design

@KFPlusLegoMastery 2 года назад

You have a valid point my friend. I will be doing an in-depth video about how an LVE works along with how to calculate its displacement in cc. Stay tuned!

@muggy3939 2 года назад

@@KFPlusLegoMastery thx your the best :D

@gordanavejnovic4093 2 года назад

You know, if you would make a more clear dimension peek(show the pieces more clearly) it would be easier to make the engine, and with less mistakes.

@kartanonisanta7621 2 года назад

Thank you

@GLzz_gbBleR Год назад

Thank you so much my engine is very powerful

@bmx_be4ns688 2 года назад

POV: your here from tiktok

@solomon3376 Год назад

You're*

@Pussylicker1788 8 месяцев назад

@@Noodlesandnothingme too bro 😅

@BetrThnYou 6 месяцев назад

Yeah...

@crunchybro123 6 месяцев назад

@@solomon3376y’roue*

@_3tr1k_ 5 месяцев назад

Shutco

@mikopiotrmazurek4048 2 месяца назад

I had some trouble with it cuz it wasn't working but when i fixed it it is amazing i recomand this but you need a strong vacum though

@Game_olotl 2 года назад

Its a very good tutorial i subcribe and like this video :)

@iOSPro 11 месяцев назад

Great video i modded the engine with a bigger and wider piston and cylinder with the valve and intake the same as this video after I built it and i got it up to 12,000 RPM and the piston rod cracked 2 times on the crank end i had to wear ear protection because it was as loud as a sport car with no muffler it was insane also my cylinder wasn’t see through because it decreases power if you make the cylinder nontransparent then it will increase power

@KFPlusLegoMastery 11 месяцев назад

Interesting! I’d like to see a video of it at 12000 rpm, though.

@iOSPro 11 месяцев назад

@@KFPlusLegoMastery I’ll post it once I fix my vacuum engines cracked cylinder, when I built it the way you did no mods it could withstand the high RPM no problem after I modded it, it couldn’t withstand the high RPM every time, causing cylinder and crank failures it only hits 11 to 12,000 RPM after putting a lot of oil in the directly into the cylinder because I saw a video from someone who pushed a LEGO engine to 12k RPM and it blew up that’s how I learned the max speed for legos

@clown9503 6 месяцев назад

Best tutorial frr

@canonkilgrow1926 Месяц назад

Cool

@imcurrentlyonnotes 24 дня назад

what is that small part which was yellow ( on the piston ) and are they necessary or can i use thin 2hole liftarms

@jipsutiii8353 10 месяцев назад

Sickkk

@gamersya1034 Год назад

Kfplus, I made this incredible engine and go it to work but then the next day after making it, it just seemed to stop working correctly. Do you have any Ideas on what it could be?

@michalkiszka8818 Год назад

I'm just wondering what are those little round pieces with a hole that looks like a cross inside of em and where can I buy them?

@alejandroacevedo9961 Год назад

it worked :)

@Hunter_Yt_03 Год назад

Классный движок)

@spunkflunk 3 месяца назад

Lol so you use compressed air as fuel? How lkng would it run before melting or blowing up, theres no oil!

@Darthdebue 2 года назад

How do I know what Lego set to get for all these pieces I know I can substitute it but some of them are ideal to work better

@serahatix Год назад

So I built this engine and it looks awsome but i cant get it to start with the vaccume attatched. Do you know what may be causing it not to start?

@rowenbukow203 6 месяцев назад

Is there an alternative piece for that 1x6 thin hole used for the crank? I can’t find one after looking for hours.

@leonardodiaz7989 2 года назад

Nice, I built one when my parts arrived and it runs nice, fast and smooth

@tannerteevsb8963 2 года назад

How do you know the names of each part?

@ezeki4881 Год назад

for some reason when i built mine and tested it witg my vaccum it didnt do anything! any reasons why

@th3_ap3x_n3rd Год назад

Hey could you please give me some pointers. I have no clue what I did wrong but my motor won't work at all

@parkerschimelpfenig7294 Год назад

I can't get mine to work. It it lubricated and rotates pretty well. When I hook it up to the vacuum tho, it doesn't run when I turn it over, it just sucks. It it supposed to be sucking air rather than blowing it into the piston right?

@Tjandeli Год назад

I try biulding it the only peice i need for the chrank shaft is the 6 flat peice but i dont have it is there a way a peice can fit because i only have a 7thic peice can you help me

@jasecox6168 2 года назад

Hi I tried to make this and I couldn’t get it working and I followed all your instructions I try to remake it over and over I cannot figure it out can you help me?

@zachshaw829 Год назад

Hey my throttle gets sucked in instead of the piston and idk how to fix. Can you do another tutorial on it for that scenario. Thanks

@steliosrc1414 2 года назад

Hey I’ve made the whole engine but I need help with putting the vacuum on and getting it to spin with the vacuum and to get to consistently spin can you please post a video on your tick-tock on your RU-vid telling us how to get it to start spinning

@vasislus7983 Год назад

you didnt explain nothing i needed to watch this a trillion times

@robins12327 Год назад

KFPlus, my vacuum head isnt big enough, can i fix this by making the hole smaller at the intake?

@ilikemoney2404 3 месяца назад

are the 1x1 bricks with technic holes nescessary? or i can just sub it with 1x2s with holes

@mateuspalmer5184 Год назад

How do you get yours to goo so smothly if you roll yours it goas 4 times aroun mine only goes a half how do tou do that?

@vincentskinner8294 Год назад

Kfplus, I know it’s been a year since you made this tut but is there a different part I can use instead of the beige thing you called the crank? I don’t have one and i really need to make my engine work. Hope you reply 😊

@Roboseal2 Год назад

same here

@Flynn-ky2qp 2 года назад

Trying to make it but don't have the right pieces could you tell me what the small orange thing at the too left if the parts part is and same with the wheel

@noaharmistead7433 2 года назад

The complete parts list is available for download on the Discord Server along with instructions on how to use it to buy the parts on BrickLink.