MiataMark
Club Retro Rides Member
Posts: 2,971
Club RR Member Number: 29
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Jun 22, 2015 16:16:35 GMT
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I think the photos issue is more iPhone/apple related than anything else they don't store all the EXIF data, you need to make sure that the phone is the right way up (lens at the bottom for landscape), probably still end up sideways though.
Inspiring work that sideways photos don't distract from though.
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1990 Mazda MX-52012 BMW 118i (170bhp) - white appliance 2011 Land Rover Freelander 2 TD4 2003 Land Rover Discovery II TD52007 Alfa Romeo 159 Sportwagon JTDm
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eurogranada
Europe
To tinker or not to tinker, that is the question...
Posts: 2,556
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Those sills look excellent!
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Jun 27, 2015 14:23:35 GMT
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Picked up some 13" alloys that I bought awhile back. Met up with a friend who had collected them for me a couple of months back ,at Goodwood yesterday. Seeing all machines running apart from the lathe, I thought I would have a little play before I pack them away  Cut off the unwanted bits   Think these will work out nice.....  Before and after. Still need to drill the centres and finish turn them,but you can get the idea.....  |
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Jun 27, 2015 15:48:30 GMT
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luckyseven
Posted a lot
Owning sneering dismissive pedantry since 1970
Posts: 3,839
Club RR Member Number: 45
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Jun 27, 2015 16:06:28 GMT
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Mazda called, they want their mojo back  |
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Jun 27, 2015 17:05:06 GMT
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Mazda called, they want their mojo back Of course they want their Mojo back. Mojo San was their fibreglass body repair specialist in the late 80's. After stuffing the 767b into the wall at Goodwood yesterday, it's no wonder they feel they have lost their mojo  Car lives up to its motto, " never give up "..... |
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Last Edit: Jun 27, 2015 20:20:35 GMT by Deleted
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mylittletony
Posted a lot
Posts: 2,421
Club RR Member Number: 84
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Cut off the unwanted bits Before and after. Still need to drill the centres and finish turn them,but you can get the idea..... I don't know if you've seen this thread: big lathe fun, but you'd have a substantial market if you decided to offer this a service. Excellent engineering work, this car will be quite the masterpiece - almost a shame most of it will look like standard! FYI markbognor |
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Jun 29, 2015 17:56:29 GMT
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Yes, have seen that thread. With these cars being so few and far between in this country,most will never have seen one. So, subtle mods,sleeper approach. But,I think the 3 rotor motor should surprise quite a few......
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luckyseven
Posted a lot
Owning sneering dismissive pedantry since 1970
Posts: 3,839
Club RR Member Number: 45
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Jun 29, 2015 18:33:25 GMT
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Mazda called, they want their mojo back Of course they want their Mojo back. Mojo San was their fibreglass body repair specialist in the late 80's. After stuffing the 767b into the wall at Goodwood yesterday, it's no wonder they feel they have lost their mojo Car lives up to its motto, " never give up "..... lol  Horrible to see the 767/haybale interface  Also horrible to see that despite the proliferation of righteous rotary racers in the paddock, the Mazda stand made no mention whatsoever that rotary engines ever existed. And that ridiculous nonsense in the Stable Yard.. what the actual hell was that all about? Like, as if there weren't enough MX-5s in the world already  |
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adam73bgt
Club Retro Rides Member
Posts: 4,998
Club RR Member Number: 58
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Jun 29, 2015 19:10:38 GMT
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As if this build wasn't good enough already |
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Jun 29, 2015 19:37:56 GMT
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As if this build wasn't good enough already Pardon my ignorance of things rotary, but is there a limit to how many rotors you could build, or is there an optimum number of rotors; e.g divisible by 3 (IIRC there are 3 lobes on each rotor?) |
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luckyseven
Posted a lot
Owning sneering dismissive pedantry since 1970
Posts: 3,839
Club RR Member Number: 45
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Jun 29, 2015 19:56:05 GMT
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As if this build wasn't good enough already Pardon my ignorance of things rotary, but is there a limit to how many rotors you could build, or is there an optimum number of rotors; e.g divisible by 3 (IIRC there are 3 lobes on each rotor?) Theoretically not, but you're limited mostly by the strength of the eccentric shaft (the crank equivalent that the rotors turn). Heat and lubrication become ever-increasing issues the more rotors you add, too. Having said that, several four-rotors have been built, not just by Mazda although the le Mans-winning cars were four-rotors detuned from 900bhp for reliability. Mercedes built quad rotors for their stillborn C111 concept, as did GM for their rotary Corvette. Mad Mike the Kiwi drifters' car is a Quad rotor built by PPRE down under. Who also built a frankly insane six-rotor RX4; The question is, how much is enough? When even a fairly humble N/A twin rotor is good for 200bhp with comparatively few mods and light tuning, how many times do you need to snap half-shafts trying to build an eight rotor?  [/thread hijack] Sorry Johnny  |
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Jun 29, 2015 20:00:29 GMT
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Material for the eccentric shaft is the limitation. 2,3,4 and even 6 rotor motors have all been made. Flexing of the shaft becomes a problem, the longer it gets. Technically, as long as your rotors are phased correctly in relation to each other, you can have as many,or as few as you like. When I started this build I wanted to build a three rotor motor. But with a short shaft, not like Mazdas 20b 3 rotor motor. I did a lot of surfing the net. Not much about it. More available about 4 rotor motors. Not that it's easy by any stretch of the imagination, but a four technically is easier to make than a three. So.... Seeing nobody could tell me any different, I started out with this....  And many sleepless nights that became this  With all lobes in place, this was the eccentric shaft, the rotary equivalent of what a crankshaft is to a pi$$ Tin engine  How it went from 45kgs down to a smidgen over 8kgs, the trials and tribulations and the Eureka moments are most probably best saved for a rainy day........ |
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Jun 29, 2015 20:28:02 GMT
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This thread just keeps getting better and better!
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Too many projects, not enough time.
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adam73bgt
Club Retro Rides Member
Posts: 4,998
Club RR Member Number: 58
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Jun 29, 2015 21:49:50 GMT
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So hang on a minute, you're not just lobbing a 20b in there? You're building your own three rotor engine? Epic. Though I'm not sure why that should surprise me given what you've built for this so far  |
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logicaluk
Posted a lot
Every days a school day round here
Posts: 1,373
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Jun 29, 2015 23:35:18 GMT
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Picks up jaw from the floor... then checks weather report for rain.
This is amazing i wasnt expecting that. YAY a thread that is truly EPIC
My heads exploing with questions now.
What's the phasing how will you treat it and of course how the hell did he manage that.
Major pat on the back fella
Dan
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Last Edit: Jun 29, 2015 23:52:29 GMT by logicaluk
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So hang on a minute, you're not just lobbing a 20b in there? You're building your own three rotor engine? Epic. Though I'm not sure why that should surprise me given what you've built for this so far Nope, no lobbing in sight,and no 20b. Custom built short shaft three rotor motor. It lands up about 50mm shorter than a 20b.  |
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Gonna be able to learn even more about these roundy-round engines now. Excellent.
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Luckyseven, Johnny - thanks for the explanation.
And how cool will it be to be able to drop into the conversation "oh yes, the engine wasn't quite what I wanted so I built my own from scratch"
Epic with nobs on!
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MaxN
Part of things
Posts: 482
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I really did not think that this thread could get any more epic.
and then, casually you mention the 3-rotor.........
Holy mother of .......
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Car lives up to its motto, " never give up ".....
Also horrible to see that despite the proliferation of righteous rotary racers in the paddock, the Mazda stand made no mention whatsoever that rotary engines ever existed. And that ridiculous nonsense in the Stable Yard.. what the actual hell was that all about? Like, as if there weren't enough MX-5s in the world already 
