Hello everyone and thank you all for coming!
My name is Signe Tryne Ryssdal, and
am Revolve NTNU's events director this year.
What you saw there was our relatively new
promotional film from Trollstigen which was one of
team 2016's large marketing projects. Producing this
required organizing and coordination with vegvesenet, the police, film producers, among many others.
In the fall we managed to close of Trollstigen and film.
And in February we received this film which we are very lucky to use in promoting us and Revolve.
Now that we've set the tone with this film, I would like to wish everyone another warm welcome!
We didn't imagine that so many of you would be able to come and it's great to see everyone fill up room R1.
So that is very exciting to see.
A little practical information about the unveiling.
The duration of this presentation will be around 45 minutes and there will be speeches from our project
leader, main sponsors, and our technical leaders, and of course you will be able to see our brand new car for the
for the very first time.
A little more practical information:
As you may have noticed, the presentations will include loud sounds and some blinking lights.
So please be aware of that. We have five emergency exits. Two up and back, and there is one around the veil
back there.
Yes.. now I would like to welcome our project leader, Rebecca.
She started mechanical engineering in 2015 and became project leader about a year prior to now.
Some of the old members were a little skeptical to admitting a first years student with dreads,
but now the dreads are gone and everything has gone very well.
I would like to give a warm welcome to Rebecca Sandstø.
Hi, and thank you so much for coming today to see what we've spent the last 8 months working on.
First and foremost, thank you to all of our sponsors who give us the opportunity to play with equipment, materials,
and tools that we would never otherwise get to touch during our student journeys
, which gives us the ability to advance our own limits and technical solutions year after year
Thank you all the families, and to all the friends who stand ready with solutions to our assignments when we don't have time to complete them ourselves.
Thank you to all the girlfriends (boyfriends) who stand by us when we basically marry ourselves to this project.
And of course, we have full understanding of any relationships that did not hold out during this time.
We would also like to thank our alumni for their contributions to the advancement of Revolve NTNU
and for setting standards that we have done our best to exceed.
and for the fact that they see solutions to even our most complex problems.
But.. of course, my biggest thanks goes out to team 2017.
In September, 57 students who had never met one another, who had no idea what lay ahead, came together.
Revolve is a unique task.
You learn much about related engineering and project work, but to learn a lot, one must work hard.
And the dedication that this team has shown cannot really be described to anyone who has not been a part.
The initiative and quality of work, and how the project has been prioritized above all else, should be highly
respected.
Now we have used 8 months to learn a lot, to design, to produce, to fix that which doesn't work, to produce a little
more, and finally we stand here with a complete car.
It is very exciting to see how much all of you [members] have grown so much as people in this last year and it
truly is a joy to work with all of you.
Explaining to people what we actually do is not always so easy.
You mother, friends.. all think we do something different. Make a bit, drive a bit, fix a few parts on cars maybe?
We ourselves have a narrow focus on competition, technical solutions, and on everything we are to
accomplish before we drive on the race track during the summer.
But the reality is that there are many long nights, copious amounts of sanding, and very much guess work.
This year, we are building our 6th car.
We have increased our female to male ratio by 600% in comparison to last year.
And this is the second year that Revolve NTNU has it's own official NTNU course.
That means that everyone who is part of Revolve gains 15 credits because NTNU recognizes that what we learn
in Revolve is important and very relevant to our student careers; so we receive credits towards our master's degrees.
We have also given out two magazines this year.
The second edition comes out today, and behind its production lies a great amount of work and effort
from the marketing team.
We have worked since September and now we stand here with a completed car, but perhaps, the most exciting
parts of the year lie ahead in competition.
We take part in Formula Student, the world's largest student competition in the world.
It is a design competition that includes critique of both performance on the racetrack, design/engeering choices
, and a business/marketing plan of how we justify our costs and technical solutions.
This summer, we will travel to England, Germany, and Spain.
There, we will meet 3000 other teams who have bled and sweat exactly as we have,
who have spent as many late nights as we have.
Hopefully, we have spent a few more hours than them and will show them that we have engineers that
represent some of the best in the world.
So that you will understand a little more of what these competitions are like, I would like to show you a film
from our participation in FSUK (England) last summer.
Revolve's history began in 2010.
At this time, there was a group of guys that sat down and decided that "we want more practical experience
alongside our studies."
At the time, there were no projects that truly fit their aspirations so they decided to start up their own project,
and Revolve NTNU was the result.
In 2012, we were ready with our first car, which won the prize for "best new-comer."
Winning awards set the standard for Revolve, and after having added an aerodynamics kit to our third year car,
our team went from producing combustion vehicles to electric race cars, and from steel frames to carbon-fiber
monocoques.
And least year's car, Gnist ("Spark"), was our 5th car, already with 4 wheel drive.
Tradition has led us to name this year's car, and this car has been named Eld.
Eld is a word from the nynorsk dialect meaning Ild ("fire" in english), which builds upon our tradition of giving our
cars Norwegian names.
In addition, as motorsports engineers, we are completely responsible to understand action and reaction.
We are totally dependent on our members' understanding of their own contribution to our
performance during the summer competitions.
And as mentioned, last year's car was called Gnist, and although this year's car is completely new,
it would be irresponsible to cast away knowledge gained from previous years' experience.
And what comes after a spark which is even more powerful and cooler?
That of course is Eld ("fire". )
In addition, the name represents the way in which our team burns for the project and all the passion that lies
behind the product that is here today.
But the time has come to see the race car, so I will give the stage back to Signe. Thank you.
Thank you to Rebecca!
We have been so lucky to have such a dedicated and engaged leader.
It is completely essential when one is to finish such a ambitious project.
Something else that is completely essential to our project, is support from our collaborating partners.
We have also been very lucky in this respect.
We have many sponsors who engage themselves, help us, show interest in our project, and acknowledge all that
we do here.
One of these organizations is Kongsberg Gruppen.
They are truly engaged in our project and have been with us since 2013.
And they have been our main sponsor since 2014.
In the last years, we have also had a part of Revolve's production take place in Kongberg's workshops;
something extremely valuable to us.
Today, they are here to tell us a little about their organization so please welcome;
so please welcome Ørjan Stengelsrud, Executive Vice-President of Business Support
at Kongsberg defence and aerospace.
Thank you for the invitation.
It is always pleasant to come here to Trondheim and NTNU.
As a representative for Kongsberg Gruppen, I have been asked to speak on why an over-200-year-old technology
company like us, is interested in what you do in Revolve and why we have been a sponsor throughout multiple
years.
So I thought I would explain why we support a group like Revolve.
There are three reasons.
The first reason, perhaps which perhaps is quite basic and not so important, is because race cars are truly cool!
They are indeed.
In a large tech company, when we see race cars, we of course, become excited.
Everyone thinks it's cool.
My ten year old son asked me why I was going to Trondheim, and I said I was going to visit Revolve.
And he wondered what that was.
So I showed him that video and he also thought it was extremely cool.
So maybe you will have recruited a new member in around 20 years.
Reason number two: Revolve hosts a lot of technical talent.
We have a few values in Kongsberg Gruppen, values that mean more than a few words.
This is what we believe has allowed us to exist for over 200 years.
Determined: If one looks upon Revolve, these are students who are taking Norway's most challenging
engineering study in such a cool city as Trondheim, and yet you choose to dedicate 8 months of your lives to
learning as much as possible.
That is what we mean by being determined.
You choose also to build a car from scratch each year, and we think that also represents being determined.
In Kongsberg Gruppen, we also talk about innovation.
And the same for Revolve.
You change [technological] limits all the time.
We have understood that next year, you will be working on a driverless competition, which we think sounds very cool and complex.
Innovation is no doubt a key factor in Revolve.
Since [Revolve] first started, [it] has become a very large group of around 60 students, and of course,
there is collaboration between students of different studies. Fulfilling your goals requires a great
amounts of collaboration.
As seen in the first slide, having many sponsors is essential to this project's success!
There is talk of families, girlfriends, friends, who all have expectations of you. You set ambitious goals, and so
long, you have met that goal. And that is what I call being reliable.
So the second reason that we decide to sponsor Revolve is that we feel you all symbolize these values which we respect.
The third reason is that back in 2013, when we first got to know Revolve
, we started something called teknologidugnad.
In a time when many engineering students dropped out early in their studies and also when there were few
entering these studies to begin with, there became a problem both for Kongsberg Gruppen and for Norway.
So we put together a few different initiatives.
Since then, we have had over 500 summer students just in Kongsberg Defence Systems. We have had a few
motivational speeches where we have taken some of our best engineers into classrooms of students in middle
school, high school, and college, to show science in practice.
Here you see one of our best aerodynamics engineers explaining newton's laws with help from paper airplanes,
in a way in which children understand, and they understand that it is very cool.
The same goes for this robotics engineer who explains how juggling balls can be explained mathematically
through software. One gains a completely new perspective.
And one gains motivation to become a technical person.
You see that these juggling balls became very popular; even Erna Solberg had to try them.
Theory to practice is the mission statement of Revolve, and is maybe that which, in 2014,
made us decide to become Revolve's main sponsor.
You all learn so much from working so hard with theory in practice during these 8 months, and that was/is very
much the aim of our teknologidugnad.
We must also mention in relation to creating more space for and interest in science,
Kongsberg decided to sponsor Høyskolen in Konsgberg's new campus which we call Krona
with a new composites lab.
This is where Revolve built parts for its race car this year.
They were well helped by our staff like Sigbjørn Eriksrud back there who is one of those who came together to start Revolve.
So as a main sponsor, we offer some financial help, but most importantly help with materials, technical advice, and facilities.
This fall in the middle of an intense period for the Revolve project, a delegation of members from Revolve
came over to Kongsberg and into the classrooms to hold motivational speeches for at least 350 students at
Kongsberg highschool.
I am convinced that some of these students have been motivated to follow the same path that you have.
This I believe, deserves a large applause.
So, all in all, congratulations with this year's car. I almost see through, but completely.
I know there is much hard work that lies behind this day here.
Revolve, you never cease to impress us at Kongsberg Gruppen, and I am very proud of you all.
You are world class!
Thank you.
Thank you so much Ørjan and Kongsberg Gruppen.
Kongsberg Gruppen is one of our absolute most faithful partners
who have been with us in so many years.
It is very important for us because it gives us stability, which yields a higher ability to take chances we make these new cars.
But, it is always excited when a new partner decides to become a part of our project.
And today, I have the pleasure of introducing a new co-main sponsor.
They will be with us is for multiple years going forward and
we look forward to see what we can accomplish with them.
Now they are here to tell a little about themselves, so please welcome Bertel O. Steen,
and their strategy director, Andre Sjåsæt.
Hi, my name is Andre Sjåsæt, from Bertel O. Steen.'
We thought to start with a film. It is always fun with cars and this film encompassed
some feelings that we think are apt for today.
Restlessness, curiosity, motivation, not to mention, passion for all that we share today: Cars.
It is very pleasant to be presented as one of Revolve NTNU's main sponsors today,
and also to be able to present about Bertel O. Steen,
and most importantly to explain why we've decided to become one Revolve NTNU's main sponsors.
Bertel O. Steen is a company with a long history.
It has lived on through over 115 years of history.
It began with import and sale of champagne, razor blades, and weapons, but eventually,
the sale of three Cadillac's became the beginning of the car distributor that we are today.
Through the years, we have represented many many companies.
We have taken a proactive role in developing the car industry
while developing the Norwegian industry in general.
Today, we represent Mercedes-Benz (both personal vehicles, trucks, and busses).
We are the representative for the French PSA Group:
Peugeot, Citroen, and DS who is being introduced this year.
And we also represent KIA in the Norwegian marketplace.
This we do as an importer, but we are also have 40 self-owned negotiators
which distribute these brands over the whole country.
In total, we have around 2300 employees, and made in revenue over 14 billion kroner.
This industry involves rapid innovation/development.
There is a lot going on as with all industries, but for the automotive industry,
this is especially true.
The coming of electric drivetrains has really made an impact in Norway, more than in any other market.
Digitalisation in our branch involves how cars are connected to the internet,
how they will be connected to each other,
and even how they will be connected to infrastructure.
The sharing economy is on it's way into our industry where car sharing has become normalized.
We see that the access to mobility is becoming stronger and stronger.
People begin to think about using and owning cars in a new way.
And as we combine this with self-driving vehicles, our industry is due for big changes.
So the role of cars in the future, will be very different.
And, therefore, it is important that we at Bertel O. Steen, take a proactive approach to mark our place in that future.
That means that we must succeed in innovating, we must accommodate for new creations,
we must bring ourselves new competency, young talents, and we must work intentionally,
very dedicatedly, to succeed in preparing for the future.
Therefore, when we were first found out about Revolve NTNU, we felt very at home in what they stand for.
After a while, when we got to know better the project and understood the ambition which lies here,
the dedication you display, the effort that is put in, in addition to regular studies, the collaboration, the ability
to make something new.. all impressed us.
So this is something we truly wanted to be part of.
So this day also marks, for us, the beginning of our partnership which we agreed to just before Easter,
so we are very excited and are proud and humbled to be a part. This will be very very exciting.
So with that, I would just like to say that this is a joyful day for us also, and we look forward to following you in this year's competitions.
Congratulations, this is a great accomplishment that you have most likely worked very hard.
Good luck in competitions and with what lies ahead. Thank you.
Thank you to Bertel O. Steen and to Andre.
It is soon time to show off what lies under here.
And we look forward to that because we are so proud of what we have accomplished.
As you may know, Revolve is a very large organization. This year we have 57 members and
to organize all of them, to make sure that everything is done on time and properly, is not an easy job.
This year, we have two technical leaders, that have been responsible for this and they will now come to say
a little about this car (and eventually reveal the car.)
So please welcome electronics leader, Glenn Flø Karlsen, and mechanical leader, Jens Mildestveit.
Yes, what is required to build a race car? That is a big question, but the most important is to have a team.
This group has worked day and night to realize maybe the coolest race car ever. (At least I think so.)
There aren't many who have made a race car before, at least not the students here.
So how do we start then?
One must be engaged in the project and this group of students definitely is.
These last weeks have been full of work. At least these last days.
Last night at 22:10, our new race car stood on its four wheels for the very first time.
The room was full of positivity at this moment in the workshop.
We would like to say a little about how we built the car from concept to production and further to testing.
So here you go Jens.
Yes, as Glenn has said, you must begin with a group of great people.
After that, you have to look at what you're going to accomplish throughout the year.
We set a goal to stand on the podium this year at competitions.
After that, we had to find out what we do to get there. So we looked at last year's solutions: what worked and what didn't.
And what we found out was that reliability and test time were the largest areas of potential gains for team 2017.
Being done with things early. Monocoque production has been produced exceptionally early this year
and this gives us a lot of time for attaching all of the car's other systems.
Now is it such that the car is only half way done.
Or rather, the project is only half way done.
The car is ready, but half of the work remains.
That includes testing and the team will work hard throughout the summer.
So what do you think Glenn? Are you ready to drop the veil?
Yes yes yes, I am excited!
Do you think it will be good?
I think so.
This year's car isn't only elegant, but it weighs 175kg.
It has four wheels.
Which is very nice.
A motor in each wheel.
A top speed of 112 km/t.
And 135 horse power.
This combined allows for a acceleration of 0-100 km/h in 2,2 seconds.
So you feel it quite well in your back.
There is a lot required to be in the top of world competition and stay there. These values are those that
have directed this team.
We would like to have a reliable car. It should work all the time, during testing, competitions, and driving.
We have also looked at further developments. Build on prior project and start up new ones.
We must also perform and with regards to performance, we are prepared to reach a podium position.
As Jens said, this day marks the day we go from design to car testing.
Half of the work is done. The largest part of the project remains.
Testing will take up lots of time.
And competitions of course are the best of course the best part.
That is what we are looking forward to.
Well, that was, that was almost a little good that that happened
because it shows that not everything always happens as it is expected to in Revolve.
Now I will present some the mechanical systems of the car.
Beginning with the monocoque, the self-carrying chassis. It is built up of a sandwich structure
of carbon fiber, aluminium or foam core, and then carbon fiber once again.
This year it weighs 20kg, and will tolerate very strong forces during competitions.
We have also redesigned the crash structure on the front of the car. Newer rules make it harder to use built in crash structure in the nose.
So we have created instead a crash box which has actually been advantageous because it is now lighter and was easier to produce.
The monocoque is produced in Kongsberg. Here are some photos from production.
We are truly grateful for our partnership with Kongsberg.
It would not be possible to complete this project without their support and level of competence.
Suspension: newly this year, we changed tire suppliers from Hoosier to Continental.
Now you see that Hoosier's name is still on the car's wheels. Ironically enough,
the new tires are just ten minutes from being delivered so we didn't have them ready today.
So again, not everything goes as planned.
The suspension design begins with the tires and that is the limiting factor for how fast we drive around the track.
The available grip of the tires.
The reason that we have changed tire brands is that we have the ability to use 13" tires. Last year we could only use 10".
So you get the ability to design the suspension in a way that allows for more freedom in design and potentially gain more tire grip.
There are four motors in this car, one in each wheel.
There is a planetary gear in each wheel casing, with a conversion ratio of 15.48:1.
That's to say that the motor's 20,000 rpm are converted to 13,000 rpm, increasing the torque from 21 Nm to 325 Nm in each wheel.
This produces a torque of 1300 Nm in total for the car.
The suspension consists of rims. With new tires, we needed to design new rims.
They are topologically optimized
They are aluminum and carbon fiber combined
They are optomized with very smart use of software.
Another part of the car that is very well engineered and which also uses advanced use of software,
that is the uprights.
They are topologically optimized but they are made from titanium and are 3D printed.
This is futuristic technology and there is extreme potential that comes from the use 3D printing and topological optimization.
We are following technology of the future.
Aerodynamics:
It's not all included so that the car looks cool, but it is to create larger normal forces without adding static weight to the car.
This year, we have 610 N of downforce at 60km/h which is to say that we add 61 kg from air pressure at 60 km/h.
And as we near our top speed, we have 2180 N of added down force, adding over 210 kg of pressure on the car.
This means that you can turn faster and therefore drive faster on the track and hopefully make it to the podium.
Aero has worked very hard with downstream effects of flow.
To accomplish this, we have added some moving parts that better utilize the air streams.
We have also benefit from the angle of attack, which is the angle at which the wings are fastened.
We are just on the edge of making max/min aerodynamic gains.
Now I am finished with what I am saying.
Time to hear about electrical systems.
The battery pack this year contains 280 cells that you can think of us little computer batteries.
They are arranged in 12 modules.
The two in front have been shortened this year to increase airflow and thus cooling from this intake.
There you see air going under the car and up into the battery pack.
This produces better cooling of the battery cells.
The battery produces 100 kW / 135 horse power which is a little more than the average automobile.
However, the car weighs ten times less.
We have two large development projects that are coming in Revolve.
Own self developed motor and self developed inverter
The motor is in the production phase now and this will be the first prototype that is based on our own design from Revolve.
We will be finished with this production in the summer and if it works, we can then start to build cars with our own motors.
The custom-developed inverter has been tested throughout this whole year and now we can use it in competitions that are coming.
In addition, we use torque vectoring. We have four wheels and the torque vectoring algorithm allows us to regulate the power
that is delivered to each wheel.
In turns we can provide extra power to the outside wheels, and brake a little in the inside wheels, so that we can turn faster.
And if we're smart, then we can make the car rotate around it's central axis.
With respect to electronics.. The car is basically a large computer on four wheels
And everything that connects systems together are the cables that are specially designed for the car.
And there 100 meters of these cables lying everywhere in the car.
We also have 66 custom-designed circuit boards in the car.
The dashboard can be used to tune all the settings in the car.
We have a data logger, which lies in the dashboard which allows us to save all of our data during testing.
We can look at this data and analyze it later, but during testing we have a base station
that connects via telemetry. To analyze this data, we use a self-designed software that is called "Revolve Analyze 17."
Analyze is completely redesigned this year to make it faster and more user friendly.
And of course it looks great!
So that was a little about everything. Now I would like to bring everyone from the team down here
so that we can present them all to you.
We appreciate you all coming!
[Info pertaining to the day's events..]
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