TTW Motorized

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Mercedes-Benz F 300

Instantiations of the Dream:

TTW — Three Wheelers


Last updated November 4,

An explanation of description shorthand can be here. (For instance, does 1F1T mean? It the vehicle has one front wheel, and one tilts.)

A partial chronological of motorized tilting trikes. complete listing at bottom)

TTW by Neumann, 1945/1950(?).

2F3T, Gas, 1 seat, Open. Casto, ever persistent, a reference to a machine by Neumann. The image was scanned from a book called One Hundred on Three Wheels (100 auf 3 Rädern).

The generous soul who the above image wrote: Neumann was a painter, teacher, designer and he had some other He started with installing a engine in a threewheeler in 1887. In he made a journey to Italy it. In 1922 he built another for transport. In about 1945 1950 he built tilting The photo I scanned shows machine from 1945/50 Neumann.

Now there’s an inventive Go, Neumann!

Ariel 3, 1970.

Natural, Gas, 1 seat, Way back when, British manufacturer BSA/Triumph made a tilting trike called the

It’s top speed was a mere 30 but boasted the impressive mileage of 125 mpg. Ariel called it the shopping machine. It was powered by a 50 cc engine producing 1.7 bhp (bhp brake horsepower if you’ve wondered, uh, whatever that at 5500 rpm, it had pedals a moped to start and, in a get one out of trouble. It’s price was a 95 Pounds Sterling.

It’s was controlled by torsion bars; it to sit up straight but will comply a rider’s movements.

Jephcott Trike, 1980.

1F1T, Gas, 1 seat, Semi-open. In came the Jephcott Tilting As described in July 1980, in Mechanics magazine, Dr. Edmund suggested that this 30 66 wheelbase would get 100 mpg from its 4 hp engine.

Its crafty tilt feature it to weave safely through or make sharp turns at without risking a spill. two-wheelers, the car is stable at a crawl and in while the body gives weather and crash protection.

The mechanism is foot-pedal controlled. The pressure is a direct extension of the sense of human balance. is a lateral shift in the center of allowing faster safe speeds than a conventional

This was a prototype, and the above was for a proposed body about 81

Mother Earth News’ 1983

2F3T, Active, 1 seat, Closed. Alert Troy S. followed up his email an oddity called the 3VG to me by sending a of an article about a series of tilting trikes by the staff of the Earth News. The first sixth were ever-more proof-of-concept vehicles, and the seventh is a sophisticated bike that like the model for the LifeJet Mercedes, below). Among listed on the patent is John founder of Mother Earth (His and other TTW patents can be on the TTW patents page.)

Mother News’ 3VG, 7th prototype.

example, the seventh prototype, was purchased by Mitch Casto ) who, with the help of of the engineering department where he is restporing it. What a find!

more pics and other on a page dedicated to this well-known TTW.

Honda 1984 (This one Prototype X)

Natural, Gas, 1 seat, Honda mass-produced the Gyro 1984 to 1986. They are rare, and fun to watch in motion. more about it at the Honda page .

Trautwein Dreirad 1984

to a great inventor.

Dr. Wolfgang

Jephcott Micro, 1987

1F1T, Active, Gas, 1+1 Closed. Jephcott’s Micro, 1987, was an evolutionary extension of the Trike of 1980. This was more like a production and, further, had its pedal-controlled replaced by a n hydraulic controller. the above thumbnail to see a four-panel of the pendulum-based control.

Below are pictures by motorcycle designer Foale who had the privilege of driving the back in 1987. From his on high performance vehicles, the tilt mechanism was too slow in Could it be that the human and foot pedal control, are the Even if it’s not ideal for maybe, maybe.

This one is and has a 350cc 12hp engine, and has a tilt of 25 degrees.

The Unisport,

2F3T, (Automatic or Assisted), 1 seat, Closed. Mitch ever vigilant, sent me grainy faxes (courtesy of tilt-fan, Larry Edwards, of the Slalom shown below) of tilter, the Unisport by Unicar of Anaheim CA. TWO readers have further information:

An owner of two 198s, Nelson, contributed of his machines ,

and Jonny Whiting, father, Donald Whiting, the electrical tilting system for the He also sent in scans of a Check them out right

Vortex, VX-1, 1988

Assisted, Gas, 1 seat, This project began in but was actaully realized in an undergraduate at the U. of Waterloo (Canada) in 1988. In the own words, The Vortex VX1 is a 2 passenger, 3 concept vehicle powered by a 650 cc Motorcycle engine. The VORTEX into corners like a achieving good stability its narrow track.

The next is the VX2000, which will got Assisted lean mode to (hydraulic) lean control.

are … as of May 2006. If anyone can me get back to The Man, let me know!)

Girardi’s Pulsar series, He’s still with fresh press in. Check it out! (And Philippe, for writing to help me this entry more

The Tiltster, 199?

1F1T, Gas, 1 seat, Open. Casto and the rest of the tilt sent a link along an apparent one-off called The It looks fast in its well-finished It looks a little scary It was built by a guy named Lawyane of Cycle Products in Prairie, can see it is V-Twin powered.

Carlos Vidal, THREE WHEELS 1994

1F3T, Natural, 1 seat, Open. From Spain comes a patented trike, a leaner, and a beaut! now in the US and in Europe, he has a running prototype. site has gorgeous pictures of the the bike at rest, and in the dynamic of a hard turn. Further, he has a of single-passenger TTW. Go ahead and here to visit!

BMW Concept 1994

1F1T, (unknown), 1 seat, Open. This concept car is a one-wheel-in-the-front, two-in-the-back Two nice pictures of it can be seen at simple site. I don’t how (or IF!) this one tilts, Hmmmm.

The Millennium Trike,

2F3T, Natural, Gas, 1 Semi-open. James Sulman and Richardson have a page up for hypertrike, The Millennium Trike. a beautifully done story with lots of detailed This is a beautiful bike, and of

40 degrees of lean.

Mercedes-Benz Life Jet, 1997

Active. Gas, 1+1 seats, This concept car is a two-wheel-in-the-front, tilter. Check it out at Benz’s own Jet page. Will they go production? Here’s hoping! All say a thanks to engineer Philip for his wit. Thanks, too, to Shcact for his permission to use these You may also view this at

There’s great BW photos at this site. It’s a page at GeoCities, but the pictures are and informative.

A press release from The Channel covering the 1997 at the Frankfurt Auto Show.

more info and pictures at a Bay website of a BMW dealer.

Mitch saw this site, in German, an Aachen technical school. more technical information I have ever seen the Life Jet. There’s fascinating feature there, an abandoned prototype with a unprecedented in my experience — two wheels that don’t and one rear wheel that

TTW by Dutchmen Chris van den Brink and Kroonen, 1997

Now in production!

Active, Gas, 1+1 seats,

In 1997 Kroonen and van den Brink won the of the Year prize at the world centre of Rotterdam for their and yet (apparently) simple tilt mechanism. (Simple if you are as smart as gentlemen, I think!) Here’s to success with a fine, and design. Go see it at this earlier

September 1999 saw their production model unveiled at

Spring 2002, and the Carver is in As far as I know, this makes the Carver the first production TTW.

Antonio Carlos Sanjuan, proof-of-concept trike,

Mercedes-Benz F 300

1F3T, Natural, Gas, 1 Open. Brazilian Antonio Baptista Sanjuan built proof-of-concept trike in 1998 in for a four-wheeled effort. His email is He hopes to have his website up soon!

Commutamatic, 1998

Assisted, Electric, 1 seat, This was Max Hall’s first This photo was taken before a test drive. It was and tilting in September 1998 as a machine. It never got a above 25 Partly for that, and partly for its tilting scheme, it is now scrapped. I GM’s Lean Machine had a little secret: that assisted leaning has some piloting issues. The page, the pictures and the accounting can be found on the page.

Phil Foss’s TTW, 1998

2F3T, Assisted, Electric, 1 Open. I got email from a brother. He built a 48VDC TTW! (Mine, the Maxion, is in the section below.) He writes, in a few

I too have built a tilting volts Adv D.C. motor—curtis

Tilting is accomplished manually—Jockey on left side—fulcrum arrangement—not Steer with jockey on Right side and at speed handlebars.

The machine was more or completed a year ago—recent from 36 to 48 volts allows me to 45 m.p.h. on the flat with ease—I could see 50 Major pieces are nickle plated, channel iron called or Superstrut.- used in the trade to false ceilings, lights, etc.

As I’m sure you it requires obsession to get a project this done—most folks afford that—for good

He’s wise. He’s since that it is direct a little pokey off the line, but a top end for a 48 vdc electric. Go visit his machine at page with three and his e-ddress.

Steve’s Subaru,

1F1T, Natural, Gas, 1 Open. Steve Delaney, a built this because he want to tire his back. pivot is, on one end, a drive-shaft joint, and on the other, a trailer hitch. Two dampers complete the In the blue box behind the bike’s end is the former front end of a Subaru. It’s fast, reliable, and as anything to drive. Go Steve. I ran this bike a tthe and Minicar Classic at Larz Park near Boston in 2000. I’ve put a few more of it up at this little page.

R. Q. and Larry Edwards, Slalom 32,

1F3T, Natural, 1 seat, Semi-open. This finally achieved its target of 40 mph in Septemeber (1999). It has three wheels, a maximum tilt of 45 degrees. I am indebted to Mr. Sanjuan above) for his thoughts on a similar It’s been scrapped, bits and pieces became of a project with my students. You can more about it at the Maxion’s .

Aileron trike with multimode air driven roll 2000

1F3T, Automatic, 1 seat, Open. Wayne powered this version of his trike and included integrated air driven roll control. power just in time. may have seen his human-powered on the human-powered TTW page or on his guest here at the tilting site. is available on a consulting basis; he can be at this e-ddress .

Autostudi’s 2001(?) .

Italjet September 2001

2F3T, Gas, 1 seat, Open. in Milan in 2001, this is scooter entrant into the

Phillip James, 2002(?)

Aprilia Magnet concept, 2005

R8 TTW, 2005.

1F3T, Automatic, 1 seat, Open and Closed. piece of work! At the time of wwriting (7/2006) Mike has miles and 15 months on the road. may he tilt!

Narrow Car Company, September 2005

2F3T, Gas, 2 seat, Closed. the word

Phiaro Prototype P67b ETERNITY, 2005

1F1T, Automatic, 2 seat, enclosed. A descendent of the Van Den Carver (with their DVC

BMW C.L.E.V.E.R. April And thanks, for keeping in touch!

Mercedes-Benz F 300
Mercedes-Benz F 300
Mercedes-Benz F 300


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