How to PERFECT Your Notches
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- Опубліковано 30 лип 2024
- If you're new to notching (aka mitring, saddling or fish mouthing) here are some tips on getting started using the paper template method, or a notching tool.
Calculator here: www.hpacademy.com/notching-ca...
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Round tube is used in motorsports fabrication for its strength to weight benefits when it comes to roll cages, motorcycle frames, support structures and much more, however, it can be difficult to join when compared to other square tube options.
In this lesson, which is just one taken from a full Motorsport Fabrication Fundamentals course, we're going to cover the 2 main methods you can use to notch, the pros and cons of both, what tools you'll need and from there it's only a matter of practice to refine your notching skillset.
For this example, we're creating a 45-degree notch using 1.5" / 38.1mm tube
YOU NEED TO KNOW:
- Notch Angle
- Diameter of both tubes
- Orientation
GREAT TOOLS:
- Notching Calculator: hpcdmy.co/ncy
- Angle Gauge
- FINE Tooth Hole Saw (if not using a grinder)
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TIME STAMPS:
0:00 - What Is A Notch, AKA Mitre, Saddle or Fish Mouth.
0:21 - PAPER TEMPLATE METHOD
0:26 - 1: What We Need To Know
0:48 - 2: Angle Gauge Calculation
1:09 - 3: Template Found On HPA Website
2:07 - 4: Note Orientation When Required
2:41 - 5: Rough Cut With Grinder
2:54 - 6: Fine Grind, Be Patient, Check And Adjust
3:38 - 7: Finishing Touch
3:48 - NOTCHING TOOL METHOD: DRILL PRESS
4:07 - 1: Notcher Setup
4:40 - 2: Hole Saw Selection
5:14 - 3: Setting Our Angle & Orientation
5:42 - 4: Use Cutting Lubricant, Set Speed To Slow
5:56 - 5: Let The Saw Do The Work
6:04 - 6: Finishing Touch
6:11 - Oversized Notch? Fine Tune It, Note Length
6:36 - A Good Notch Leads To A Good Weld
6:52 - Just ONE Module From A Fabrication Course
7:57 - Learn More Like This
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#highperformanceacademy #notching #fabrication #freelesson #notch #mitre #fishmouthing #motosportfabrication #motorsports - Авто та транспорт
Hi mate do you have a link to that online template calculator you use
Forgot to put that in the description for you guys sorry! It's here: www.hpacademy.com/notching-calculator/ - Taz.
You guys are the best. Excellent courses available and underpriced considering the quality and volume of the content. I’ve purchased 2 courses, I hope to buy the complete pack of courses by the end of the year.
Excellent concise presenting Andre. Although I want to point out that I miss hearing “what makes it teck”. Your coverage of amazing race cars and the obvious depth of knowledge makes your content fascinating to watch. The builders, drivers, race coordinators that you interview give a great behind the scenes look into an industry that became insular over the years. Thank you for all of the great videos guys, keep the content coming.
Cheers for the support Russell! He actually stopped saying that as people were complaining he said it too often haha That said he's really just replaced it with 'Let's unpack that' without realising it, I think there is room for both though 😎 #bringbackthetick/teck
Also really appreciate the course feedback! Hope you enjoy the next courses you dive into and remember you can always email and see if we have a coupon or something active at the time, and also remember it's OK to just focus on the topics you need and will use as well. We'd love everyone to buy all the courses all the time obviously, but also we do like to see people getting value from the content they have, which might not need to be all the topics we cover depending on what peoples learning goals are 🤘 Win win - Taz.
@@hpa101 Awesome. Thanks Taz ✌🏽
PS-Maybe the sour responses about the “what makes it teck” saying were from guys that wish they had a cool accent? I certainly wish I had the cool kiwi vocabulary/accent haha.
-Best
Really great information again from HPA. My next project might be a TVR chassis and will be looking to improve rigidity
Glad it was helpful and interesting project Bernard. Hope you enjoy getting stuck into that, always a constant battle of strength vs weight with things like that eh - Taz.
Always informative at HPA. Always learning something different on building a car that you weren't sure about. 💯🤟 Aussie Cousin 😂😎🇦🇺
Love those videos, fantastic level of knowledge...
Thank you sirs
Not sure why, but tube notching (and tube-fitting in general) always seems like one of those things suitable for the "analytical approach" of calculating exactly what it needs to be, and crafting some means of accurately creating what you've calculated. Indeed, there's tons of tools and doodads on the market to help you do this. I've owned/tried most of them.
However, this is one of those things best not to overthink. Buy some extra tubing, spend no more than 1 minute eyeballing what you need, and take a stab at it. You'll certainly make some mistakes, but with some practice you'll get very good at putting together a spaceframe in no time.
What Andre says about good fit-up can't be overstated. Good fit-up will not only make the finished product stronger and more rigid, it'll make it much easier to weld - and make the weld much nicer looking too.
Forgot to mention: *Strongly* consider modeling your spaceframe in CAD and having a CNC bender/laser cutting shop build your components for you... Especially if it includes tubing that has bends AND notches. It's less expensive than you think and the result is perfection. You'll receive a box of tubes that snap together like a puzzle, and barely even need tape to assemble. A few tack-welds and you're ready for final weld. The extra time put into modeling pays dividends in time saved constructing your tubes.
Do you have any favorite vendors that can laser cut mandrel-bent tubing with laser-cut tabs and slots?
Amazing information. Thank you
Hope it is helpful! - Taz.
@@hpa101 very helpful
Anyone know the Australian guidelines around having a rollcage for a sedan, which also retains the rear seats?
Check with Motorsport Australia directly on this to be safe. Would suck for the internet to tell you one thing then the guy ticking things off to tell you that they were wrong and you have to do it all again - Taz.
Schedule J is what you're after. Read through it and then reach out to them directly with any questions you have after that to be safe.
Also someone making approved roll cages would know what's up if you plan to get someone else to do the work for you: motorsport.org.au/regulations/manual/technical-appendix - Taz.
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Interesting...not saying this is the wrong way to do it, but this is not at all how it’s done in the real world of Motorsport fabrication. This is great for someone at home in their garage...that’s the target audience I guess just thought I chime in on this. And no I’m not some keyboard warrior fabricator I build quarter million to million dollar race cars all day every day for a living. I just hate when kids come in who took an online class or went to the fabschool thinking there hot shit and know everything 🤣 Like just shut up grab a broom, watch and listen.
Edit...also will you guys teach how to sight tubes with each other and how to mark out tube junction by scribing center lines? What about how to properly layer your welds on weld junctions? That’s some good information to teach! I might have to check out this full corse now I’m curious 😂
Another edit...please please for the love of god when using chromoly or dom clean the mill scale off your weld junctions inside and out with some emery clothe and a barrel sander! Very important to a clean weld
Yes, this is applicable for the target audience and certainly not the only 2 ways, just the 2 we're covering here. Feel free to share your own technique for your bigger budget operation there.
This module is from the Motorsport Fabrication Fundamentals course which is there to give people a head start, it's not the only knowledge they will ever learn or need to know and would even help you in training the person on the broom, saving you some time while they get some basics for you to then check and hone further to your own requirements 😎
This is bearing in mind we can't all grab a broom and come listen to you any time of the day or night and I highly doubt you have a long line of people thinking they are shit hot who have done this course 😅 Usually it's those who haven't taken the time to try and learn anything because they think they know it all already are the ones who think they are shit hot in my own experience to be honest!
For the edit, sort of, we don't get right deep into the construction side of things outside of some examples, but marking is covered in general, down to the little tips on pencil vs marker vs scribing etc. This isn't a course you would watch and then run out and try and build a roll cage straight away, although I'm sure some exceptional people could manage that, it's not what we're promising or encourage. One of the project examples is building your own welding table which we think is a better way to start to build your skills and to get something you can use to go further from there with as well.
Again is really is aimed at those looking to get started or build on some self taught skills. The little things are often the hardest to think of by yourself. There is a refund policy if you do decide to go through it and decide you don't want to keep it, we don't mind, that is the point of such a policy so no one is locked in before they can actually go through the material 😎
Sorry for the massive reply! Bit long winded 😅 - Taz.
@@hpa101 thanks for the reply and let me tell you something we notch all our tubes with a chop saw, belt sander, and a bench grinder 🤣 no endmill notcher, hole saw notcher, anything like that! I just think that’s funny. I totally get that this is for the diy guy in his garage! Was just interesting to see the methods being taught. And your right haven’t seen anyone come in who took this course thinking there hot shit but there is a Motorsport fabrication school here in souther California called the fabschool and we often get kids who come in thinking they know it all cuz they spent 30 grand on a school when in reality they know nothing...but that comes down to attitude and how you approach that realization...we actually have 2 guys who went to that school and have become top fabricators in the Motorsport industry! Anyways I’m ranting at this point. I actually took your efi tuning class!!! It was very well layed out and taught!
@@justinmcsurdy7865 why would you not have a dedicated notcher? I've used grinders, hole saw notchers, an end mill notcher and some laser cut stuff (bought as a kit cage) Currently using an end mill notcher and have done tens of thousands of notches with it, the accuracy and quickness is hard to beat, along with being repeatable.
Also, I'm not in the high dollar car market, but for million dollar cars, is CAD and 3D scanning not much of a thing? The CNC cage I did was laser cut and fit so nice, it was crazy the accuracy/fitment of the notches.
Ahh I'm with you, and we also hate schools like that if that is the case. They haven't just taken 30k off those people either, they've taken the wages they have lost while studying too as well as some opportunity cost. You see that in a lot of areas where the education doesn't actually align with what employers need and want at the other end for varying reasons despite bluntly telling people they need 'this' to get a job. Most sadly, it's nothing new.
This isn't something we promise anyone will get a job out of, same with the tuning courses you did (glad you enjoyed them!), and the price point is minimal (your time to take this knowledge and put it into action is the real cost) but it should be a solid step towards that future goal or even helping someone along that path already in the industry if we are doing it right rather than being a waste of time for people.
Cheers for sharing your experience too in your current role, that's certainly another way to get it done and definitely has advantages. Pros and cons for every method at the end of the day so long as they lead to the correct result and even with Andres tuning process he is just showing what he knows to work to the level he works to, but there are other workflows to do it as well out well.
I would add for anyone else reading that one piece of advice we often give is to go and talk to a few companies you think you'd like to work for in the future and ask what they want to see from you in order to offer you a role. They are the ones doing the hiring, just make sure you talk to a few so that you are not just basing any decisions off only one data point - Taz.
Lol print every fit up.
Only until you get the hang of it, as specifically mentioned it's a tool to help guide you to building the skillset - Taz.
You are using an angle grinder with the safety handle removed ! Risk assess your activities, just fit the handle back on and gain improved control.