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Old 07-02-2010, 09:13 PM   #91
Mike in Oregon
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Thumb

The video of the engine is f'n rad. I wish them the best of luck. Hopefully some wealthy first buyers can get the ball rolling. I want to see this thing live.
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Old 07-02-2010, 09:27 PM   #92
Benz
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Wow. This thing is sweet. Love the engine. A muscle car motorcycle. Such a cool concept and design. I didn't read through this whole post but when are these things going to start coming out? And for how much? If the price isn't too crazy I would definitely be willing to get one and support an American company like this.
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Old 07-02-2010, 11:32 PM   #93
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What a sound !

Like a Hot Rod.
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Old 07-03-2010, 04:32 AM   #94
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Quote:
Originally Posted by viajero
Very few automobile mfgrs use direct injection as of yet, and no m/c mfgrs that I know of. Not even that many auto racing series allow it, to my knowledge. So it's got to be hugely expensive to develop, especially for a start-up m/c mfgr. Hope they have plenty of capital.

Anyway, sounds intriguing, and too expensive for me. Hope they can make it work.
Matbe there is a specific reason why not to use it for a bike? I know Yamaha marine has been using high pressure direct injection in some of their VMax outboards for several years so they have the technology to start from.
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Old 07-03-2010, 05:43 AM   #95
Uncle Ernie
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I lose interest in websites when;
There's no company phone number big and bold.
I have to click on something to open the website after I just OPENED THE WEBSITE.
I have to look hard for a picture of the ding-dong product. I have no idea what this bike looks like and that's too bad for them- not me.
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Old 07-03-2010, 05:45 AM   #96
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Quote:
Originally Posted by earthroamer
This is a Race Engine Technology article about the development of the Motus V4 engine. Lots of gory details. Apparently a push-rod, direct injection V4 is interesting some other people in Indy Car and Le Mans.


Nice find, that will give me something to do since I'm stuck at work making sure the place doesn't burn down.
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Old 07-03-2010, 06:22 AM   #97
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Gdi...

...gasoline direct injection is VERY expensive. On a naturally aspirated engine, the benefits usually do not outweigh the cost.

On a forced induction engine, direct injection helps a lot.

Direct injection has a cooling effect on the intake charge and allows you to run high compression levels without detonation.

So, you can run high compression AND turbocharge or supercharge on top of that for big gains in power and fuel economy.

Look at Ford's "Eco-Boost" engines in the Taurus SHO and the Flex Eco-Boost.

Also look at BMW's 3 Series twin-turbo, direct injected straight six.

Also look at VW/Audi's 2.0 liter turbo direct injected FSI engine.

The cost is due to the need for a second, high pressure fuel pump on the engine to deliver the ultra-high pressure the Direct Injection needs. You also need very strong, stainless steel fuel rails to handle the pressure. These item add a lot of cost per engine. Because GDI doesn't give a huge benefit naturally aspirated, you don't see naturally aspirated GDI very often.

Ferrari has it on their new LeMans race car, and Ford will launch a Gasoline Direct Injected naturally aspirated 2.0 liter 4 cylinder in the Focus next Spring. Ford is investing in this because they will have a turbocharged "Eco-Boost" version of this engine in the future and that will absorb the cost.

Sooooooo, this new bike engine is really interesting, it will be hugely expensive. This bike will be super expensive, no way you buy this bike for less than $35,000.

But, it will be a hot rodder's dream, because with GDI you could fit a nice blower in the valley of the "Vee", or put a coupla small turbos and it, all kinds of crazy, fun, expensive, stuff.

I wish them ALL the best, but if Honda can't make money selling motorcycles in this economy, these guys don't have much of a chance.

Look at Cyz(?), Confederate, et. al.

I want them to build it, I WANT this bike, believe me, it is PERFECT for me, but I am afraid I will never be able to afford one if it ever sees the light of day.



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Old 07-03-2010, 07:00 AM   #98
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I hope they make it, I'd love to see a competitive US player in the market. The exhaust looks awfully close to where your knees would be though.
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Old 07-04-2010, 09:59 PM   #99
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Quote:
Originally Posted by 10/10ths
wish them ALL the best, but if Honda can't make money selling motorcycles in this economy, these guys don't have much of a chance.
I don't think making motorcycles is the end game for these guys. It's all about the motor. The bike is something to get press and public awareness, maybe a land a spot in the Neiman Marcus catalog. I think they're gunning for the auto industry as a supplier or to license their designs.
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Old 07-05-2010, 10:49 PM   #100
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Quote:
Originally Posted by Lornce
The one engineer was channeling Erik Buell: "We just want to make this simple and focus on the rider, the experience".
maybe they need to get him onboard.
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Old 07-09-2010, 07:37 PM   #101
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Quote:
Originally Posted by Ace100
I don't think making motorcycles is the end game for these guys. It's all about the motor. The bike is something to get press and public awareness, maybe a land a spot in the Neiman Marcus catalog. I think they're gunning for the auto industry as a supplier or to license their designs.
Sounds like motorcycles aren't the only game indeed. Although this motors big enough to go in a goldwing........I hope its light.
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Old 09-10-2010, 11:40 AM   #102
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They've got a video of a running engine on a dyno @ their website now.
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Old 09-10-2010, 12:45 PM   #103
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Quote:
Originally Posted by Streamin' E
They've got a video of a running engine on a dyno @ their website now.
Want to post a link or the video? All i see on there are months old.
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Old 11-25-2010, 12:26 PM   #104
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Motus has posted new prototyping pictures on their Facebook site.

Motus prototyping.



Along with another sound clip of the engine.
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Old 11-25-2010, 12:30 PM   #105
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Just yesterday I was wondering about them.
I thought they were going to have a running prototype this past summer.
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