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Do you have any approx. idea of when you'll be able to assemble the engine and possible start up?

I check this thread often, every update amazes me, keep up the amazing work!!

this thread is beyond amazing!!!! wow you have been blessed with quite the skill set!! keep up the good work, subscribed !!!!

thanks alot man, keep up the good work, can't wait to see it running.

Quote:

Originally Posted by John Huijben (Post 11120823)

... I'd be much more worried about the huge 4-rotor trying to eat me instead of the wimpy piece of aluminium sheet behind it.

I do hope the thin wall exhaust will withstand the heat generated by de engine on high rpms (or tuning on the dyno with different settings as you are going to do).
Why did you use such thin wall pipes?
Rotaries are known for their hot exhaust temps, but I assume you know that, that's why I ask!

Grtz Dee.

looking killer man, i love seeing updates on this

what program did you use to do your airflow simulation?

-sean

Solidworks Simulation :D

Obviously Mazda didn't have the CFD software we have now when this was published, but still a cool visual and relevant to your tests :)

Wow do you have that also for the SA/FB?

I can never get enough of this build! It is freaking EPIC! Nice job mate!!

Quote:

Originally Posted by Shainiac (Post 11126220)

Obviously Mazda didn't have the CFD software we have now when this was published, but still a cool visual and relevant to your tests :)

I could also use an airflow diagram for an SA/FB.

Yes, with and without retracted headlamps!

Good Luck on this build. This looks beast!!!

:patriot:

Quote:

Originally Posted by Black and Blue RX (Post 11129811)

Yes, with and without retracted headlamps!

Would you care to scan and post them both? :worship:

Thanks,
Dick Getty

Quote:

Originally Posted by Black and Blue RX (Post 11124718)

The required wall thickness depends on more things other than just being a rotary engine. n/a or turbo matters a lot, and the used material is also very important. For this application with the material I used this thickness shouldn't be a problem.

Quote:

Originally Posted by Shainiac (Post 11126220)

Obviously Mazda didn't have the CFD software we have now when this was published, but still a cool visual and relevant to your tests :)

I know :nod: I actually used that picture to make the fc model in solidworks.

Progress on the car is pretty slow at the moment. I'm currently fabricating the hood latches since I can't use the stock one anymore which is pretty time consuming.
Also ran into a problem with balancing the 4-rotor e-shaft which also needs a bit of attention.
I'll see if I can post some pictures tomorrow.

this is by far the best build thread i have ever seen! it actually saddens me that i am unable to do this very think from lack of talent, money and machinery..... :'(

Quote:

Originally Posted by myfree7 (Post 11130736)

it actually saddens me that i am unable to do this very think from lack of talent, money and machinery..... :'(

That's just silly.
Be happy that someone with the talent and means is willing to share the journey with us.

Quote:

Originally Posted by clokker (Post 11130789)

That's just silly.
Be happy that someone with the talent and means is willing to share the journey with us.

I agree. I've been following this build from its inception and it has inspired me to learn a couple new skills. So that maybe I will not have to rely on anyone other than myself for fabrication.

Thanks John.

This thing is going to be a beast when your done man. How much HP do you think she will put down when your done?

^ Exactly 421.73 RWHP.

Quote:

Originally Posted by dwb87 (Post 11134084)

^ Exactly 421.73 RWHP.

I'm thinking more like 600's considering that's where most PP 4rotors sit

awesome cant wait to ess this started up ,should sound awesome.....

Update

Did some more work on the car, first thing I did was finish the hood locks. I couldn't use the stock one because of the hood vent. I could've fixed it really easy by making external hood pins that sit on top of the hood, but I don't like the way that looks and I want to be able to lock the hood from the inside of the car since it's going to be used on the streets.
I made 2 hooks that hook onto pins that extrude from the hood, one of those 2 hooks is unlocked from the inside of the car, the other one from inside of the hood vent. Works just as well as stock, took me over a day to make though.

https://lh4.googleusercontent.com/-q...2/CIMG1975.JPG

https://lh4.googleusercontent.com/-2...2/CIMG1988.JPG

https://lh6.googleusercontent.com/-L...2/CIMG1982.JPG

Also mounted 2 19 row oil coolers

https://lh3.googleusercontent.com/-O...2/CIMG1993.JPG

https://lh3.googleusercontent.com/-k...2/CIMG1996.JPG

https://lh3.googleusercontent.com/-g...2/CIMG2002.JPG

For some reason the stock bumper has a few blocked off holes, so I opened those up to get some more air to the oil coolers

https://lh3.googleusercontent.com/-A...2/CIMG2006.JPG

Also got some more coils that I can try out, these are inductive coil on plug coils from a motorbike. These should work well, and they were cheap. :nod:

https://lh5.googleusercontent.com/-D...2/CIMG2009.JPG

Next up is the swirl pot / coolant overflow can / windscreen wiper reservoir / catch can tank.