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Old 03-03-2008
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Default SpeedDemon 1:10 EP 2wd

Hi
This is a thread on my SpeedDemon project, which is a 1:10 2wd Electric buggy meant for competition.

Just as a bunch of people before me, Ive made a midmounted 2wd buggy, difference is that this concept includes a motor mounted along the length of the chassie and not across(Atomic Carbon S2 and Xfactory X6)

Ive had a few Ideas on laydown shocks and other fancy stuff, but as I thought it through, I realized I first and foremost wanted to race the concept to see if there was anything worth working on.. So I put together a car with conventional upright shocks instead.

I bought a used Kyosho ZX-5 Lazer, and used its complete rearend.
And then I had an old Associated B2 laying around, and the frontend of that car is perfect for this kind of build as it just bolts onto the main chassie(5 screws).

It only took about two afternoons to put the car together.
I have raced two indoor races here in Sweden with it so far.
I won the first race and came forth in the second(mostly due to poor driving).
Havent got the setup perfect yet though, but Im getting there..
As of now Im just getting started making 3D CAD drawings of the concept.

//Morgan
aka moleman
Attached Images
File Type: jpg speeddemon_meck001.jpg (56.3 KB, 577 views)
File Type: jpg speeddemon_inside002.jpg (44.3 KB, 936 views)
File Type: jpg speeddemon002.jpg (35.7 KB, 559 views)
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  #2  
Old 03-03-2008
bloody pom bloody pom is offline
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Default racing in sweden

Hi there,

where in sweden do you race?

Matt
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  #3  
Old 03-03-2008
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Hi Matt
I live in a town called Åmål(in the midwest of Sweden), but there are no places to race near here..
So far Ive been to races included in the "Mellansvenska-elbilscupen", or in english: The Electrical car cup of middle Sweden

Got any connections to Sweden?

official homepage:
http://mellansvenska-elbilscupen.se/
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Old 03-03-2008
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more pics!!! get some detailed pics of the back without electrics
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  #5  
Old 03-03-2008
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Default pictures of rearend

closeup of slipper and batterytray arrangement:
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File Type: jpg ackfastsättning005.jpg (64.6 KB, 494 views)
File Type: jpg ackfastsättning_006.jpg (52.7 KB, 310 views)
File Type: jpg rearend_slipper001.jpg (70.3 KB, 309 views)
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  #6  
Old 04-03-2008
annie_himself annie_himself is offline
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I'm really liking that. Great job.
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Old 04-03-2008
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I think I've seen a film about where you live moleman

Nice work on the car so far!
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  #8  
Old 04-03-2008
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Thanks guys!


I havent tested the car outdoors yet, I think I'll have to have some kind of undertray first, otherwise say hello stripped gears and electrical meltdown.
The outdoor tracks we got here are usually made from gravel/dirt and isnt the bluegroove type you see in the USA. Dirt gets in everywhere!

But Im really looking forward to seeing how it handles on a loose track with low traction. Indoors on carpet with Taperpin rear tyres it drove through corners like a rocket compared to conventional 2wd's!
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  #9  
Old 05-03-2008
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Default Laydown suspension

Some pics of things to come..
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File Type: jpg laydown_frontview001.jpg (38.0 KB, 351 views)
File Type: jpg laydown_overview001.jpg (74.8 KB, 535 views)
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  #10  
Old 05-03-2008
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Are the shocks in the same plane of movement as the wishbones?
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  #11  
Old 05-03-2008
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Dan, Im not sure I understand what you are asking about..
But this is just a mock-up of parts I had laying around, just to see that there was any chance the shocks would fit laying down like this.

The pivot point of the linkage connected to the shocks is going to be tilted, and have similar angle as the rod thats connected to the lower A-arm, this will insure that the shocks wont get in the way of the rod, if that was what you were asking about..?

Im just about to start drawing this up i 3d cad, so be patient..
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  #12  
Old 10-03-2008
bloody pom bloody pom is offline
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Default Trollers

I am down here in Trollhattan.

It can't be any worse than racing in the hot dust bowl's of Australia.

Matt
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  #13  
Old 20-03-2008
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Default Bodywork

Last few days Ive been carving a core in balsawood for a selfdesigned body for the car,
in order to seal as good as possible against dirt and stuff when racing on an outdoor track.

Ive used a 2L Fanta bottle as material. (Thats the biggest PET-bottles we got here in Sweden as far as I know)

Still have some issues with shrink at the ends, but if I just can secure
them, its not far from done. And I think the result is pretty good actually.

Ive painted the body just to see the shape of it easier .
(PINK was the only color I had laying around, bought it in the 90's)

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  #14  
Old 21-03-2008
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I really like the look of this car. What does it drive like ? are you still making the one with inboard shocks

Also where do you race
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  #15  
Old 23-03-2008
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It drives really well!
Especially through corners it can carry alot more speed than conventional 2wd's.
Both spectators and compeditors have commented on this at races.

As soon as the body gets finished Ill test drive it outdoors "in the dirt",
really interesting to see how it handles on loose surface.

Yeah, Im still working pn the lay down shock configuration,
a very slow progress so far though ..but in the not so far future perhaps

Next indoor race is this weekend(29/3), thats the final of the indoor season,
after that we start racing outdoors.. yeah!

I live in Åmål, Sweden
(we have just started an RC-club, and are currently building an offroad racetrack!)
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  #16  
Old 27-03-2008
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Default Body v2

Just finished the second body.
It turned out OK, Ill use it on the upcoming race this saturday.

Ill put some more effort into painting next time around,
when I have some more time on my hands..



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  #17  
Old 27-03-2008
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Looks great!
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  #18  
Old 27-03-2008
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yeh, looks really good.

not too sure on the front wheels though LOL
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  #19  
Old 27-03-2008
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Whats wrong with the front wheels!?!
..They're vintage "hopups" from back in the day.. (95' or something)
Personally I think they look awesome!

These are not my racing tyres btw
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  #20  
Old 27-03-2008
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Quote:
Originally Posted by AndyM View Post
yeh, looks really good.

not too sure on the front wheels though LOL
I thought those were the standard in Europe. I hardly see dished wheels in the gallery.
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