Mulling This Over In My Head... 26b

Started by - Fezcat -, September 19, 2011, 05:51:40 AM

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- Fezcat -

#45
September 19, 2011, 05:37:33 PM
Quote from: Grant Monkhouse;789250RamoNz And if there was such a section, your post would have gone straight into it.:spank:reallymad:p:rollin:D:Nono!:Thumbs-up

QFT :flamed

Grant Monkhouse

#46
September 19, 2011, 05:38:27 PM
Quote from: - Fezcat -;789248That is awesome - I wonder if he would let me buy his design :D lol It would safe a :censored::censored::censored::censored:load of work lol!

Yep. He is going to be doing more work on it this winter now as he has been having fun during the summer. PM him on ausrotary and see if he replies. If you have the cash you could go visit him and see his work.

Mir

#47
September 19, 2011, 05:39:39 PM
Can we take it easy guys!!! I can see that this thread is going off the topic.. Please hold your guns and lets talk about my favourite topic "A Four Rotor FD"..

Please :)
I am building a Genuine Fastest Street Rotary!
No Cutting and No Removals
Love FDs. Currently own:
20b-Triple Rotor,Single turbo FD
13B- Two Rotor, 2000spec on Stock Twins-FD
13B- Two Rotor, Single Turbo FD
Quote:
Originally Posted by youngone 
It takes some money for engineering a proper 20b

My C

Grant Monkhouse

#48
September 19, 2011, 05:45:55 PM
Quote from: Mir;789253Can we take it easy guys!!! I can see that this thread is going off the topic.. Please hold your guns and lets talk about my favourite topic "A Four Rotor FD"..

Please :)

It\'s my favourite topic too. You and fezcat should give me the cash and I will build a 4rotor for you to share and drool at!!

Now where\'s my lotto tickets?!

RamoNZ

#49
September 19, 2011, 06:17:26 PM
Quote from: Grant Monkhouse;789250RamoNz And if there was such a section, your post would have gone straight into it.:spank:reallymad:p:rollin:D:Nono!:Thumbs-up

Mate half of these posts would be in the turd bin then - I just like to state the obvious :D :Laugh :chat

And yes, that was the FOURRE car, yours for a trifling NZ$48,000, or roughly half that in ££, not bad for a car that has run 10.66 with just a street port. (9.98 on the PP I believe). Gotta say though, anyone who attempts a 4 rotor build should be commended - but the results of the FOURRE car show that you don\'t need crazy porting to get the power, just a solid engine and good mapping. There is no reason that engine shouldn\'t be any less reliable than a stock FD engine, possibly more so as there are no turbos to worry about.

£25k including shipping, which includes the FD means the engine itself will only really set you back £18k? Not sure how much you budgeted to spend, but you would learn an awful lot just from pulling the car apart to see what they did.

:3gears-rh

- Fezcat -

#50
September 19, 2011, 07:10:44 PM
Totally get what you\'re saying but im a massive believer in "Built Not Bought"

It wouldnt be for internet points or people getting hard over the car at shows etc - I love mechanical thing and engineering and everything unique and perfectly precision about engineering. It literally would be just for my own challenge, personal satisfaction and the sound :)

again want to stress - not doing anything yet, just a thought experiement

Quote from: Grant Monkhouse;789257It\'s my favourite topic too. You and  fezcat should give me the cash and I will build a 4rotor for you to  share and drool at!!

Now where\'s my lotto tickets?!

Haha ;) I like my money in my hands - not other peoples :p

**************************************************************************************************

back on topic

im still looking for the answers to my initial question, would it be possible to MOT one and drive as a roadcar (not driveability but legally)

m1tch

#51
September 19, 2011, 07:22:10 PM
For the emissions, could you not just shut down 2 of the rotors like the Crysler 300C\'s V8, it shuts down 4 cylinders on cruise, I can\'t shut down 1 rotor on a 13B as it would be unbalanced, but you might be able to get away with shutting down rotors say 2 and 3 and the engine would still run balanced.

Just add an electric air pump, my crazy eye stinging rich FC with no cat but air pump puts out 0.18% CO, which would pass a cat test, just put in a large enough air pump (like all the big chevy V8s) and it will pass :)

- Fezcat -

#52
September 19, 2011, 07:45:57 PM
re - shutting down 2 rotors, I did consider that - my concerns would be over excessive damage/wear due to imbalance (i dont know if it would be or not) and the other being that to get it working would be :censored::censored::censored::censored::censored::censored::censored: expensive lol, I know building one wouldnt be cheap but spending more money where you dont have to is daft if you know what I mean.

Big airpump might be a good idea, just take it off between MOT\'s lol

- Fezcat -

#53
September 19, 2011, 07:46:32 PM
I apparently cant say FDUK? with an "Ing" on the end :confused:

m1tch

#54
September 19, 2011, 08:06:53 PM
Quote from: - Fezcat -;789282re - shutting down 2 rotors, I did consider that - my concerns would be over excessive damage/wear due to imbalance (i dont know if it would be or not) and the other being that to get it working would be :censored::censored::censored::censored::censored::censored::censored: expensive lol, I know building one wouldnt be cheap but spending more money where you dont have to is daft if you know what I mean.

Big airpump might be a good idea, just take it off between MOT\'s lol

You wouldn\'t really need to take it off, it won\'t be as big as the mid 80s mechanical sort lol just need an exhaust safe check valve and a pump :)

Just run it on all 4 rotors, they will have decent tested injectors so the idle should be fine - with regards to the emissions, I did ask about idle being unstable on the bridgeported engine to see if that would be an issue, apparently as long as it holds steady at a certain RPM its fine - mine will hold steady in the rpm band where the feedback loop is in operation and will be holding at exactly 14.7:1 AFR like it does on cruise :D

- Fezcat -

#55
September 19, 2011, 08:17:27 PM
ignoring the monstrosity of the kit that got put on this... Its all about this sound.

Grant Monkhouse

#56
September 19, 2011, 08:21:09 PM
shutting 2 rotors down would be daft, running PPs you most certainly are going to be 100% pre mixing oil in your fuel tank. so shutting down 2 rotors would mean your seals running dry, getting hot, then once you inject fuel bang!!!
 
pistons can get away with it because their oil feed delivery is much different to a rotors and is always lubed up. from the bottom!!! lol.
 
take the car to my MOT friend, he will pass it for you!! even if the car is required to have an emmissions test there is always a crappy punto that can be parked close by for the emmissions.
 
you could always try running a cat? easiest option really. RICE Racing in Ozzy land runs one on his street FD who is pushing 2.0 bar of boost through his car and i quote "you could breathe the air coming out of the exhaust" on his car. you would just have to think about how big your P ports and exhaust ports are going to be for the amount overlap in the engine and how much fire you are going to shoot down the exhaust which may kill the catalyst.
 
for a view of fire breathing 4rotor, youtube mad mikes drift machine. that thing is a flame thrower when hes off the throttle

Grant Monkhouse

#57
September 19, 2011, 08:23:02 PM
Quote from: - Fezcat -;789288ignoring the monstrosity of the kit that got put on this... Its all about this sound.
 
i do believe the scoot 4rotor was 12A based not 13B based

- Fezcat -

#58
September 19, 2011, 08:24:15 PM
Really? Tbh they sound the same so that was a 24a then? :)

Argh I keep going off topic :( - Is there a Quad rotor appreciation thread?
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