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  #21  
Old 01-05-2012
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Originally Posted by OldTimer View Post
Looks like your trying to do something similar to this maybe?. At the time i built this car i did not have the equipment to make a lot of the very custom parts which was a shame, as i think it would of worked really well.
If you build it, they will buy it !!

I will deffo !
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  #22  
Old 01-05-2012
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Originally Posted by Battle_axe View Post
jonathan that is beautiful i would love to ask you some questions about it but i would totaly understand if you say no
Ask away i just don't want to take over your thread, as i guess it could drift away from the XX4

I have now setup a thread on the AC forum which has more proto photos and a bit more info on the XX4 car.
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  #23  
Old 02-05-2012
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How about an alu chassis like the first proto?

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  #24  
Old 03-05-2012
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Hi all,

Instead of running 60g of weight in the front pulley housing, I rebalanced the car using a stubby lipo. This would be the way forward - even Phil Booth commented on the improvement.

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  #25  
Old 03-05-2012
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This is all very interesting and Id like to see development here for sure!

I've just got a losi xx4 we and will be modding it soon with weights in the lipo trays and other bits.

I like the idea of the stubby lipo....how were the gaps in the chassis filled in and how wre the posts then installed?

An Alu chassis makes sense and may be cheaper to produce than moulded graphite ones...I'm assuming though this will add to general weight.
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  #26  
Old 03-05-2012
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I've just got a losi xx4 we and will be modding it soon with weights in the lipo trays and other bits.
No weights are needed under the lipos. You are trying to get as much weight forward as possible, not back. When I ran the standard layout, I had 60+g of lead in the front belt housing and used the thinest and lightes lipo saddle back available at the time.
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  #27  
Old 03-05-2012
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Thanks for that...if you see Olivier Langlet xx4 (somewhere in this thread) he used lipo weight trays...his car looked fantastic although having said that I am not sure he ran it!

So how can you secure lipos well without making major mods to the chassis. Or will I need to opt for stick packs. I had to do this for an x5 I had a few years back...real tight fit!
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  #28  
Old 03-05-2012
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Shorty lipo is recommended - get 2 x brass battery posts and battery strap (the one that goes across two saddles across the car) from an Atomic Carbon CR2.

I then made up a radio plate with a dremel after buying some 2mm Carbon fibre sheet on ebay.

You can make up carbon "blanks" to fill in the holes where the lipo saddles used to go from the carbon sheet also.
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  #29  
Old 03-05-2012
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Quote:
Originally Posted by Jaune View Post
How about an alu chassis like the first proto?
The first few prototypes had magnesium chassis's
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  #30  
Old 17-05-2012
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do we have anymore updates on this?? i am rebuilding my xx4 and i am liking what i am seeing in this thread!
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  #31  
Old 17-05-2012
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I see in the USA people are using 22 arms at the front and also running a cab forward xx4 shell.

http://www.rctech.net/forum/attachme...-side-view.jpg

http://www.rctech.net/forum/attachme...ide-view-2.jpg
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  #32  
Old 17-05-2012
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Ermm wonder if the arms are a straight fit
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  #33  
Old 18-05-2012
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the 22 front arm shock mounting position is at the back of the arm !
can't be a direct fit, maybe a new style arm ?

love the shell, brings the look of the car bang up to date !
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  #34  
Old 18-05-2012
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From what I have read the 22 arms do fit bit have to be flipped around so left on right and right on left. Think I read somewhere that it makes the car a touch longer so will aid stability.
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  #35  
Old 18-05-2012
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Originally Posted by andy reeves View Post
From what I have read the 22 arms do fit bit have to be flipped around so left on right and right on left. Think I read somewhere that it makes the car a touch longer so will aid stability.
No they are using 22 kit arms which i think are flipped around, i will try and dig out a link but there are details on the losi xx4 thread on rctech, looks like a nice mod and gets rid of the weak front arms.

Andy beat me to it lol.
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  #36  
Old 18-05-2012
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Cool,
My XX4 is in the middle of a rebuild and I've got
Some spare 22 front arms!

Guess what I'm trying when I get home !
LOL
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  #37  
Old 18-05-2012
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Here's a link to a how to:

http://www.rctech.net/forum/9772426-post2128.html
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  #38  
Old 13-06-2012
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Nice! How is that relative to using Schumacher arms? You still need to drill & fit larger hinge pin holes?

(a direct fit would be great)
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  #39  
Old 13-06-2012
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Question AC losi.
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Originally Posted by OldTimer View Post
I don't want to hijack battle_axes thread so if someone wants to starts a thread on the AC forum i will dig out more pics.

Thinking about it i will start a old proto picture thread on there
just wondering here, was there ever an attempt on a AC xxx-4?
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