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Old 2008.04.20, 07:26 AM   #1
ivanmartin18
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MP V4: new chassis

Hi guys,

I just want to present you my new (old) project in wich i spent almost one year and half, that's why it's new and old at the same time.

It's called MP V4 (MyProto version 4.A) and it's a chassis that use a lot of aftermarket components in order to be used always without being afraid of braking something that maybe you will not be able to find anymore. Because of this it uses standard (and hop-ups) motor mounts, t-plates, springs and knucles.

The front suspension it's a normal type Kyosho's one but with the possibility to change camber and caster just unscrewing two screws. In total there are 8 different carbon fiber tower bar that allows you to have 16 different combinations of camber-caster angles, always going from 0 to 3 degrees, and always with the same knucles!!!

It uses a sub-micro servo (maximum 23mm wide) and ball unions.

On the back side i decide to use standard size aftermarket motormounts and t-plates and i keep the possibility of configure the car in all the whelbase available right now: 86-90-94-98-102-106. The innovative point of the rear suspension is the ultralow multilenght disc suspension: now it's possible to have a 86 or 90mm disc suspension.

Due to the 2mm carbon fiber construction everything seats really very low in the chassis, batteries and servo are lower than ever, and all the other components are much more lower than in a stock 02. Also thanks to the CF material it's a very light and rigid chassis. The chassis on the photos is just 128.1gr without receiver, transponder and body, that means that you will have a closed to stock kyosho chassis weight and a 10 to 20gr lighter than a full option kyosho chassis (it will depend on the electronic part)

Between the battery pack there is enough room to put a micro receiver or a XRay micro ESC, any device that is maximum 27x15mm is ok. Also you can use this space to put some weight to better balance the car.

There is also a tray that helps the batteries to stay on its place and is also usefull to put the other electronic parts of the car. This tray is made out of 1mm carbon fiber and weights almost 1.5gr.

And now some photos (98mm wb with Atomic AR-163 motor mount)

3/4 front


3/4 rear


Batteries


Batteries and upper tray (not definitive one)


Under


Adjustable wheelbase


Adjustable disc suspension


Spy-photo, the MP V5


I hope you like it.

Ciao
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Old 2008.04.20, 10:10 AM   #2
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Lookin good!

Kris
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Old 2008.04.20, 01:53 PM   #3
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Wow that is soopa nice. Very simple. I want one to run 90mm lol. It would be awesome with liths..... but thats just me.
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Old 2008.04.20, 01:58 PM   #4
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It's definitely interesting to see so many different takes on the MR02 conversion chassis concept.

How does this chassis mount AutoScale bodies?
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Old 2008.04.20, 02:02 PM   #5
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that sick only if i had a mr-02 i would have to buy something like that, color looks like you have some comp.
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Old 2008.04.20, 02:32 PM   #6
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Quote:
Originally Posted by color01 View Post
It's definitely interesting to see so many different takes on the MR02 conversion chassis concept.

How does this chassis mount AutoScale bodies?
Was wondering the same thing.
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Old 2008.04.20, 03:03 PM   #7
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Looks good, but I would like to have a top shock, which I suppose could be mounted to the upper deck, and clipped on to a pivot ball on top of the disc damper shaft... although that may interfere with some bodies and transponders.

Is this planned for a public release? If so, what is the estimated price?
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Old 2008.04.21, 02:44 AM   #8
ivanmartin18
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Thank you guys, in the next days i will try to make a 94 or 90mm one to see the differences.

Quote:
Originally Posted by cembom View Post
Wow that is soopa nice. Very simple. I want one to run 90mm lol. It would be awesome with liths..... but thats just me.
Yes, a Lambo Countach LP500 with lithium batteries can be amazing.

Quote:
Originally Posted by color01 View Post
How does this chassis mount AutoScale bodies?
Good question, i'll use body posts and clips like in the bigger scales. I would like to test this car in the Hurda Challenge but here in Italy it's not possible.

Quote:
Originally Posted by EMU View Post
Is this planned for a public release? If so, what is the estimated price?
Right now, there are just three units of this version (i have two and one friend of mine has the other one) and i want to test mine in this way: one with Kyosho electronics and a four wires servo and other one with standard electronics (normal sub-micro servo, ESC and receiver)
The next step will be to produce a five or ten units production.
The price shouldn't be too high because it's just a chassis that not include motor mount, knucles, springs, wheels... just the chassis kit to assemble with the best components you prefer: Atomic, PN Racing...

Thanks,

Bye!
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Old 2008.04.21, 03:47 AM   #9
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I would love to see a 90mm MM compatable chassis. Looks really good, a video of it running would be great too.
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Old 2008.04.21, 09:59 PM   #10
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Man, this is the simplest blueprint & built 1/28 CF double deck chassis up-grade for the MR-02 I have seen up to now. It “looks” light and rigid. The strategy of coming out just with the CF chassis conversion kit for a reasonable price is just a wonderful idea. Without doubt if the chassis performs good, components are of high-quality (screws & nuts don’t look of good quality) and the $ is right, plus we will have the option to select our preferred parts from deferent manufactures as; Atomic, PN, 3Racing etc, makes it more attractive and sellable, as you can practically customize your car to our own liking and needs.
Definitely, it is great we have these entire new coming CF chassis, just hope that all of them make it to the market, accessible for our full enjoyment, as it will make more rich and interesting races events, do to the variety of chassis competing.
Ivanmartin18, PLEASE!!!! Keep us up-dated with the evolution of this chassis.
Cheers

Last edited by eztuner12; 2008.04.28 at 09:49 PM.
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Old 2008.04.22, 09:09 AM   #11
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Quote:
Originally Posted by ivanmartin18 View Post
Hi guys,

On the back side i decide to use standard size aftermarket motormounts and t-plates and i keep the possibility of configure the car in all the whelbase available right now: 86-90-94-98-102-106. The innovative point of the rear suspension is the ultralow multilenght disc suspension: now it's possible to have a 86 or 90mm disc suspension.

Ciao
Great!!! a few months ago I was thinking with all these new 1/28 CF chassis coming out, why doesnt anyone make a 1/28 chassis that uses many of the already established after market hop ups. Boom!!! there it is

Also great to see possibilities for 86mm to 106mm wheelbase. Hurry up and finish it up man!!! I have a spinner esc and a spectrum micro RX waitting for the MP V5

Keep up the good work ivanmartin18
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Old 2008.04.23, 05:07 PM   #12
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Quote:
Originally Posted by ivanmartin18 View Post

Good question, i'll use body posts and clips like in the bigger scales. I would like to test this car in the Hurda Challenge but here in Italy it's not possible.

Bye!
Forgot to mention if your are making this chassis so compatible with so many established hop ups, why not make it fit Autoscale normally without body post or at least have that option

Thanks
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Old 2008.04.24, 12:43 AM   #13
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Does the chassis have many track hours? I like the simplicity of its design. How is the front end holding up? Any issues with the kingpins pulling through the CF or the knuckles breaking/bending at the post.
Im not the cleanest driver and I know I can put the chassis through some good durability testing.....
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Old 2008.04.24, 02:35 AM   #14
ivanmartin18
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HI guys,

Thank you for your opinions and questions.
Cherub1m, i'ill start to use body post beacuse is the most easy ans sicure way to hold the body and helps if you want to use another kind of body like lexan or not Autoscale ones, of course it's not the most aesthetical solution but to hold the body i think it's one of the best. I foresee also the possibility of machine some supports for the Autoscales, there it's the space and the possibility but it's going to be quite expensive, so i prefer to leave this possibility for the future.

Bermbuster, i think there are not going to be any knid of problems with the lower support of the kingpins, whatever i will start with the tests today...

EMU, I start to think about the top shock and it's not a big problem to install it so for the next version i will try with it.

Thank you!

Ciao!
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Old 2008.04.24, 02:45 AM   #15
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Thanks for the heads up. It looks like it would be very easy to incorporate a top shock as is. At first glance I was under the impression that the damper post moved, however, it is the plate. A shock should be able to mount on the standard shock mount for the motormount, to the disc damper post. Looks easy enough
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