NVT (Norton Villiers Triumph) developed a stepped piston twin cylinder two stroke (the Wulf) with four stroke lubrication.
Unfortunately not a success mainly due to financial issues, but could have been developed further.
The lower part of the piston on one cylinder supplied the mixture to the other cylinder as below.
Bernard Hooper did take the project further.
STEPPED PISTON ENGINE OPERATING PRINCIPLE
Colin
'56 Series 1 with homemade welder
'65 Series IIa Dormobile
'70 SIIa GS
'76 SIII 88" (Isuzu C240)
'81 SIII FFR
'95 Defender Tanami
Motorcycles :-
Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C, Suzuki SV650
Proper cars--
'92 Range Rover 3.8V8 ... 5spd manual
'85 Series II CX2500 GTi Turbo I :burnrubber:
'63 ID19 x 2 :wheelchair:
'72 DS21 ie 5spd pallas
Modern Junk:
'07 Poogoe 407 HDi 6spd manual :zzz:
'11 Poogoe RCZ HDI 6spd manual
In about 1973, I was on a tour near San Francisco on a roundie bus with a detroit diesel and manual transmission.
The clutch failed and we were set for a 2-4 hour wait for service.
The driver didn't have a clue so I showed him how to drive it without a clutch. Got back to the hotel pretty quickly with the driver thinking I was a magician.
Still remember those sounds as well as the Commer Knocker. (that will sort the younguns from the crusties)
Regards PhilipA
yeah the commer knocker is what my grandfather used to work on a lot. How could a trucky not know how to drive without a clutch? that is bizarre, once your moving in a truck you don't touch the clutch ... they are a crash box ... designed for shifting the gears without using the clutch. I thought every trucker loved the old road ranger boxes![]()
Proper cars--
'92 Range Rover 3.8V8 ... 5spd manual
'85 Series II CX2500 GTi Turbo I :burnrubber:
'63 ID19 x 2 :wheelchair:
'72 DS21 ie 5spd pallas
Modern Junk:
'07 Poogoe 407 HDi 6spd manual :zzz:
'11 Poogoe RCZ HDI 6spd manual
RoadRanger is not a crash box, it's a constant mesh variety.
If you don't like trucks, stop buying stuff.
But some are more equal than others.
There are a couple in the series.
Then there's this:
Pretty boxes are not really an indication of quality.
JayTee
Nullus Anxietus
Cancer is gender blind.
2000 D2 TD5 Auto: Tins
1994 D1 300TDi Manual: Dave
1980 SIII Petrol Tray: Doris
OKApotamus #74
Nanocom, D2 TD5 only.
Nope. Nope. I don't care what anyone buys. I don't care what my neighbour buys. I don't really care what any individual buys. What I care about is the mess we're making for ourselves. Despite what you think Austalians are buying, the data says that all we are buying now is 4x4's and SUVs. I concede that some cars on this list are really just boxy wagons.
If we have any hope of meeting our climate targets it's likely we will have to pay to remove these cars from the road before their economic lives are out. Personally I'd rather people that didn't really need them didn't buy them so that people that actually needed them could have uninhibited access to them.
I believe you're delusional if you think the needs of Australian motorists is so different now to 20 years ago. For that once or twice a year when we needed to take a load to the dump, or go camping/holidaying - we had a thing called a box trailer. What an idea! Ours was bright yellow! You could even let the rubbish pile up for weeks before a dump run, and use shovels in it and not worry about the paint. Glorious.
The whole reason NVES exists is because so many people are buying large inefficient cars who never use them for anything other than driving around the city. The same things that not very long ago they managed perfectly well with sedans and wagons. NVES puts some of the responsibility for this mess back on the car makers who IMHO are very largely responsible. They've encouraged us to buy these things, now they can help find a solution to the problem. I wish NVES was more aggressive. The only people who would feel the pain is car makers who I've no sympathy for.
Look at that 2005 list. Half of the cars are what we would call "small" cars by todays standards.
Check 1985. Not a 4x4 or dual cab to be seen. Yet we had boats, Caravans etc etc.
So yes, when I see a family where all the cars are 4x4's or dual cabs I'm going to thing they are taking the proverbial and judge them for that choice. When I see a shiny DC with not a mark on it and nothing in the tray driving around the city, I'm going to judge them too. Sorry, not sorry. Yes many cars are bought as statements about how people want to be perceived. This is not new - but advertising has been so successful that 4x4/DC now fill that role.
2025
- Ford Ranger ute – 56,555 (-9.6%)
- Toyota RAV4 medium SUV – 51,947 (-11.5%)
- Toyota HiLux ute – 51,297 (-4.1%)
- Isuzu D-Max ute – 26,839 (-11.1%)
- Ford Everest large SUV – 26,161 (-1.3%)
- Toyota LandCruiser Prado large SUV – 26,106 (+166.3%)
- Hyundai Kona small SUV – 22,769 (+31.1%)
- Mazda CX-5 medium SUV – 22,742 (-0.4%)
- Mitsubishi Outlander medium SUV – 22,459 (-18.7%)
- Tesla Model Y medium SUV – 22,239 (+4.6%)
2005
1 Holden Commodore – 66,794
2 Ford Falcon – 53,080
3 Toyota Corolla – 46,415
4 Toyota Camry – 34,492
5 Holden Astra – 33,070
6 Mazda 3 – 32,570
7 Toyota HiLux – 31,369
8 Holden Rodeo – 24,582
9 Ford Territory – 23,454
10 Holden Utility – 20,202
11 Ford Falcon Ute – 18,384
12 Nissan Pulsar – 17,643
13 Honda Accord – 17,579
14 Hyundai Getz – 16,455
15 Toyota LandCruiser Prado – 15,335
16 Toyota Echo – 15,180
17 Mazda 6 – 14,783
18 Mitsubishi Lancer – 13,641
19 Hyundai Elantra – 13,353
20 Subaru Forester – 12,320
1985
- Ford Falcon (76,818 units)
- Holden Commodore (62,436 units)
- Ford Laser-Meteor (35,479 units)
- Toyota Corolla (28,269 units)
- Mitsubishi Magna (26,902 units)
- Holden Camira (24,395 units)
- Toyota Corona-Camry (23,143 units)
- Ford Telstar (20,982 units)
- Nissan Pulsar (16,348 units)
- Nissan Bluebird (15,528 units)
2005 Defender 110
In EV hews Hyundai have cut prices of all their EV's. I can't find a link but the Ioniq 5 has also been cut again! This is what NVES is supposed to do!
Hyundai Inster deal sees $7000 slashed off baby EV | CarExpert
2005 Defender 110
It is interesting isn't it. Though reality is, all the little pretend 4wds (most of which are just jacked up front wheel drive hatchbacks) have replaced the passenger sedan and wagon. I never understood this until I had young kids. Those jacked up "SUVs" are incredibly functional. You can fit the big prams, baby crap in them. The kids seats have enough height to lift babies in and out of (yes I've slammed some babies/kids heads into cars roofs).
I'm been "sort of" looking for any interesting big comfy 4 door sedan for a couple of months .... I tell you they just don't exist, even when your starting to look at 15year old cars.
It is what it is. The "small car" these days, it pretty much near as big and heavy as a passenger sedan from the 80s/90s. There is a lot of tech (a lot of it crumple zones, air bags and safety structures) built into those modern cars. so they are slowly growing with each iteration.
Its a different era, all the baby boomers have since retired and purchased big caravans and boats. Back then only the very wealthy tended to own big heavy caravans (the norm today) and boats. Those people owned range rovers, F150 or old dodge trucks if they were poor. Different times.
Proper cars--
'92 Range Rover 3.8V8 ... 5spd manual
'85 Series II CX2500 GTi Turbo I :burnrubber:
'63 ID19 x 2 :wheelchair:
'72 DS21 ie 5spd pallas
Modern Junk:
'07 Poogoe 407 HDi 6spd manual :zzz:
'11 Poogoe RCZ HDI 6spd manual
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