your wife just amazing . she knows no planning needed just full send

Hi! I made a jet a while ago, here's a few of the things I learned. You need a variable blade angle on the impeller. The blade pitch is measured as how many inches it travels per rotation, and as the edge of the blade travels farther than the inside per rotation the angle gets shallower the farther out you go from the centre. This makes the blades appear twisted. Also, stator. The water from the impeller is spinning, the centrifugal force of which pushes on the nozzle and kills thrust. You can also extract extra energy from this spin by having vanes going all the way to the nozzle exit. Also use a greased bushing at the back rather than a bearing. Smaller and increases thrust, plus less submerged moving steel parts.

@otismccoy596

Жыл бұрын

F

@williamchamberlain2263

Жыл бұрын

Nice

@aimonwong5063

Жыл бұрын

Do it's have a kits for sell

@user-iw7yg4vx7i

9 ай бұрын

Воздушный винт и водный две разные вещи,и изменения угла ответ лопасти винта тут не уместно

@TGiFoosday

9 ай бұрын

With PLA plastic I recommend using Silicone Grease, not anything petroleum as they degrade the plastic over time.

I'm sooo happy for you that you had those experiences. Proper set of tools and skills. Pure pleasure. Wish you a good luck on your journey.

Awesome work! A separate video with more on the jet pump design would be really cool. Great job tackling a very ambitious project!

@AndrewWorkshop

2 жыл бұрын

Thank you! I will create a separate video, I started an RC boat as well so will be revisiting these pumps.

@sepg5084

2 жыл бұрын

@@AndrewWorkshop surfing with flip flops on 🌊

@calm-fulrelaxation1072

2 жыл бұрын

Yes please

@snikwahjets

Жыл бұрын

@@AndrewWorkshop let me know if you need any advice on the rc jet pump design 😁 I spent about 3 years working on this one. kzread.info/dash/bejne/emRrlsuTqMi4aKw.html

people like you are what makes youtube great, sharing your knowledge. thanks

Your jet pumps are amazing! Great job, sir.

Great move to mention where the idea came from !! I respect this a lot.

Nice job! Fun to watch the learning along the way. A lot of engineering, education and work. But your smiles at the end showed it was worth it!

Andrew, What a fantastic build! You demonstrated a real feat of engineering and creativity. Thanks for this Video.

Dear Andrew, Thank you for making your creative genius public on KZread. Using a 3d print scheme for the jet pumps was sweet indeed. It is when you shifted into welding an aluminum box for the jets that just blew my mind. We, as creators have to be capable/ talented at interdisciplinary skillsets. That you can fiberglass a board and then shift to make 3d printed parts and then machine these goods is awesome. I am thoroughly inspired to build out new projects. Will also take your advice and not build this jet powered surfboard. Vicarious thrills will suffice indeed.

So awesome! I will definitely print out a few. And will definitely make my own custom board as well. Thank you for your awesome DIY videos. Incredible.

That was an amazing design, build and test run on our jet-powered board. Very Nice Work throughout the process.

Fastest stand up paddle board I've ever seen! Amazing work!

Прекрасная работа. Радует четкость и продуманность до самых мельчайших деталей. Спасибо что делитесь своим опытом и спасибо за 3D модели. Когда что-либо сделаю, сообщу вам. Успехов вам в дальнейшей работе.

That’s a hell of a lot of work and working out well done it’s brilliant...and for sharing all your work as well I don’t have a printer I don’t surfe or live buy the sea but I found your previous videos and really enjoyed your builds and your attention to detail all detail brilliant and thank you for sharing..I personally learnt a lot and so thank you..👍🏻🇬🇧

@AndrewWorkshop

2 жыл бұрын

Thanks for the comment! Always happy to hear someone is enjoying them!

@marcilioferreiramarques1085

Жыл бұрын

​@@AndrewWorkshop wonderfull Project. How I can get The stl filés?

Liked and subscribed because you shared your models. We need more and more of that attitude across the world. Great work great effort and great attitude. Double thumbs up 👍👍

Thank you sooo much for the detailed instructions and file. Looking forward to more content. HAPPY NEW YEAR.

This is a great video, you put a lot of time and effort into making this and I just want to thank you 🙏.

Fantastic job! Looks like it was well worth the time spent designing and building it.

So sick! Can't wait to see it in the ocean, a small day would probably be really fun.

@AndrewWorkshop

2 жыл бұрын

Agreed!

This is super cool. I love the plumbing for the water cooled motors

Great work!! I think a lot of your speed problem is with the impeller design. You may want to look into any of the big three company’s impeller designs. None of them look like those flat bladed impellers you used. The flat blades just don’t have the grip on the water you need. I’d bet a hundred bucks it would go way better with different impellers.

@hjl4004

2 жыл бұрын

I agree. And I would add to that to have look at your intakes: the leading edge needs to be smooth, where currently there is a step that prohibits proper flow of water into the jetdrive. Other than that great work!!!

@r0ckworthy

2 жыл бұрын

@@hjl4004 I noticed that too the intake ports are way too small and there should be far more of a radius to the edge, letting water funnel in instead of making it all take a 90 degree turn just before entering the pump.

@r0ckworthy

2 жыл бұрын

Yep I totally agree. You can't just eyeball an impeller design; he should copy the design of an expensive retail version. You can see the impeller is creating a TON of cavitation too, just throwing away energy he could be using to haul ass.

@dextersxxxxlab

2 жыл бұрын

Yes you are right. Came to say the exact same thing. His impeller looks more like an impeller for a water pump to cool an engine (normally running in an inclosed space and made of rubber). When you look at jetski thrust impellers they have overlapping blades with less pitch compared to this one. More disc like impellers. But Those will be a pain to keep in one piece under load when 3d printed I think. And pump inlet indeed needs to be more smooth to guide the water instead of starting with a vertical ridge all around before starting to guide it back.

@rickmasterson1269

6 ай бұрын

@@dextersxxxxlab Absolutely agree with everything you said. Including the intakes, you get too much cavitation.

EXCELENTE Trabalho, verdadeiro mestre em desenvolvimento criativo para mim o melhor que pude ver até agora PARABÉNS espero ver mais vídeos como este que você criou.

thanks for all the links and details. you are making it easy for me.

Absolutely amazing 👏. Love it!

Thank you so much for your time and effort I am going to start printing the pump housing tonite!

I'm a builder myself, I must say insanely well done!!

I am wildly impressed! Amazing work Andrew!

Fantastic! What a great , neat ,well engineered design and build. I would consider this a 1ST prototype! The next iteration could be Really GREAT! So Nice! Thank You

Beautiful work Andrew, you're a master.

You inspired me to shape my first surfboard. Watching this is a whole new level. Man you put your time in and it worked! What an amazing feat. Looking forward to what you come up with next!

@AndrewWorkshop

2 жыл бұрын

Thanks Dana!

@romantashevRT

Жыл бұрын

Have you seen this? kzread.info/dash/bejne/i6d4r9mhZ7DdXZs.html&ab_channel=RCLifeOn

congrats to the awesome work!!! thanks for sharing your experience

Awesome! I think if the impellers were a smooth surface, instead of small ridges, it would be more efficient. Therefore using less amps and giving more thrust. Awesome job! 😊

Glorious work! And thanks for sharing…

This is awesome, I recently moved to Okanagan, and the huge lake is waiting for this surfboard!!!

great job mate and nice positive attitude from Mrs Andrew.

Incredible engineering , this is epic , all the best .

Awesome! Thanks for sharing the video and the files. !

It's awesome. Thank you for sharing

This is amazing, well done

Those pumps are awesome dude ! Such a great build…. Thanks for sharing

Andrew, your videos are very inspiring. I've been watching you for several years. Last summer I have made a sup board. I really liked the result. Thank you

@AndrewWorkshop

2 жыл бұрын

Glad to hear they are helpful. Thanks for watching!

Wildly involved project, good work!

14:05 "Did you bring a towel ?" Every hitchhiker needs to bring his towel. It is the most important piece of equipment for any hitchhiker 😊👍🏻🤝🏻🇳🇱

DUDE!! That was supercool! Great first run

I would love to see the height of the box lowered so the top cover would be flush with the top surface of the board. Also some heavy duty lithium battery packs. A wrist band mounted wireless controller would be better too. You're on to great things with this board !

My though on watching you power or up on the lake for the first time was to have the motors counter rotate so there's no net rotational force. Means printing one impeller mirroring the other and I'm sure much more I can't even begin to imagine. Excellent work.

I love the surprise "Oh it's working" :) Looks very cool and well engineered

@AndrewWorkshop

2 жыл бұрын

Thanks! LOL

Enjoyed your video, even more when I realized what lake you were on! I see that part of the lake everyday.

Thank you for doing this. Excellent

What an amazing project! I love how tidy the layout and installation is. What kind of run time can you get with that power setup? Are you going to have any sort of screen over the intake to keep debris out of the impeller?

I've watched a few of the videos of that guy you mentioned at the beginning of this video, and he appears to be an engineer for all the things he has created. Never fear - You Are An Engineer. I sure would have liked to see you moving that board at speed, just to see how it planes-out. Great video. Thanks

Great documentation of the process. I was surprised at the slow speed given the specs of that motor and speed controller. I bought a little motor with shroud and prop specced for 1800W and it isn’t a whole lot slower on my SUP than the dual jet pumps there. If you run a prop off those same drive components I think you’d be able to get it to fly up on a foil

Mr. Andrew you are an inspiration to many my friend, Thank you for the share!

We need more of this!!

Very nice so well built and explained. The best by far in all the KZread surfboard videos that i seen. So professionally made and a lot of thought went into this project..

@AndrewWorkshop

2 жыл бұрын

Thanks and glad you enjoyed it!

Really cool project, I definitely need to setup something like this to create a transport mechanism for diving! The overall design is great but maybe you would be able to make the top cover fit in line with the board to minimize chances of injury in case of a fall. Anyway amazing work!

Amazing work!

This was a nice ride. Looks realy good.

amazing!

superb. boat building, electronics, electrical engineering, 3d modelling - way cool video editing and production - Nice work Andrew !

@AndrewWorkshop

2 жыл бұрын

Thank you very much!

Just wanted to say you did an amazing job.

Awesome project! Love all of your videos, keep up the great work!

@AndrewWorkshop

2 жыл бұрын

Thanks Mike!

Amazing work. thank you for that

Cool vid! Also would like to see more detailed video about the technical stuff. Keep up the great work!

Very neat works.Bravo!

Impressive project ... grats and TY for sharing.. cheers :)

great! and you stayed dry. nice job.

Amazing! Great Job

Thanks for sharing your experience! Maybe your surfboard will faster if shift nozzles out of water. You can experiment with their shape and try flat version too. General idea is allowing water flow to fly out of board with maximal speed, impulse. When you push water flow into lake, its speed is lower.

this build was so freakin cool

Really enjoyed watching this, great job!! Well done!!👍

Awesome, great work

Wow, just amazing dude.

TOP! Super gemacht

Man, I totally NEED one of those - and I don't even surf. Excellent job!

Nice build👍

Hi Andrew, excellent work! This is all pro grade. I'm going to print the pumps and try a few POCs with them!

Well done 👍 I'd love to see something like this mounted inside a kayak.

This is awesome and some real engineering skills on show there. So nearly there though! It's probably got the power and the board width is probably fine too. Worth spending on getting custom steel impellers built for it. I'm not sure 3D printing will ever let you make the blades thin enough- other than with very exotic printing media that won't be possible with your machine- a little bit of carefully designed stainless steel or bronze could transform things. The jetski racers use custom built impellers and they aren't that expensive. What you've done with the impeller is the marine equivalent of building a car but also insisting on moulding your own tires for it- there are certain things where you just have to admit that relying on other folks decades of experience in a very niche technical field is just way more efficient than insisting that you build every bit of it yourself! There's being inventive and resourceful, and then there's just being stubborn! I know because I do it myself! There is a lot of talk below about the entrance to the pump. What it needs more specifically is a scoop grate, or just a scoop if you don't want the grate to slow it down. Look underneath a jetski! Look closely at the rear part of the entrance to the jet drive and feel with your fingers what it does inside. You have to divert some of that water flow through the pump, water does not like being made to go round sharp corners when it is flowing at speed. If you do not physically divert some of the passing water into the jet drive too much of it will simply carry on waltzing past underneath! If you unbolt the scoop grate from a jetski it will hardly move- like it will do 25mph instead of 80mph, and this is effectively what you are doing here. This is why your board is topping out at circa 10mph, that is about the speed when the jet drives are calling out for more flow and when just the suction effect of the impellers becomes no longer enough to divert enough of the water which as the speed increases is increasingly more interested in passing underneath, not turning the corner into the drives. Other than that I don't get why you have two pumps. If it's for steering at slow speeds, not as effective as a steerable nozzle on a single pump. Doubling up on propulsors is never as efficient as optimising a single one. A boat with a single 8hp outboard engine will be much faster than the same boat with two 4hp engines side by side! The parasitic drag (of the inside of the tube, the shaft, the stator vanes etc.) doubles when you double the number of propulsors, but it does not nearly double when you just make one propulsor a bit bigger and put a bigger motor to drive it. If its about motor size/ height/ diameter, you could still use two motors side by side driving one shaft- with a bit of short car cambelt and a pair of sprockets... If the height of the deck for placing your back foot is the concern, remember the diameter of the pump does not even close to have to double to double the volume/ mass being pumped. People would be amazed how only slightly larger a single pump would need to be to move the same mass of water moved by your two pumps. That's not the main problem though and would be a major rework. You could get that thing planing- I mean properly planing at foot steerable speeds- with your motors and pumps in about a week with just a pair of scoop grates (which you could make by hand in one evening with a curved bit of thin plywood and some epoxy filler) and a professionally designed impeller.

really really cool build ..Sir...i ma super impressed...!

Nice job & inspiring video!

Amazing project. You're very talented!

Quel travail de la fibre de verre j adore

I like the work of senior genius and very creative

Great project, an improvement for the jet drive is to smooth out the intake flow. Finnegans Garage has some good info on this for full size high horsepower jet boats, but same concept.

Great project!!!

Congratulation! You are the man!

Great work dude👍🏽

Awesome project. I agree with others that your jet pumps are holding you back. The flow of water out of them is very turbulent. Turns out jet pumps are fairly easy to get working, but optimizing them is an art form. There are a couple good videos from a few people making pumps for RC boats that are really good and I think their designs are open too.

@zbdot73

2 жыл бұрын

If you happen to come across one of the videos (particularly if open source) please post the links. Cheers.

@iandrake4683

2 жыл бұрын

@@zbdot73 found it. kzread.info/dash/bejne/k4yBubevZ9u-pJM.html

would love a full tutorial on the electrical. this is where i always get stuck when researching. i like the use of the dewalt batteries VS DIY battery packs and the inherent risks.

I learned a lot from watching you work, Thanks!

Really nice, Andrew. To add one more suggestion: proper filleting of your models, particularly at things like flanges, will make things easier to print, MUCH stronger, and more nice-looking.

Thank you so much! There aren’t enough good videos on building these things. I have my pump printed and all the other components for mine.

@AndrewWorkshop

2 жыл бұрын

Awesome, good luck! Totally not enough, took me forever to figure out how to keep things from leaking.

@BandersnatchGlass

2 жыл бұрын

@@AndrewWorkshop lol. I have that to look forward to when it warms up here. The enclosure has been one of the biggest hurdles. Thank you again and again for all the effort that goes into your videos. I watched just about all of them while planning the project. I’m trying a single, printed, 80mm jet, with an sss 360kv, and 12s Lipos.

Pretty slick though man. Good on ya!

Awesome job man

thumbs up for the lot of work!

Very nice project!

Huge Congratulation Andrew!!!!

AWESOME WORK !!!