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  #181  
Old 24-10-2011
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n e body fancy doing my diff for me lol as i dont have access to n e kind of mchinery as i am 80% bed bound or could i swap a diff for a diff?
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  #182  
Old 26-10-2011
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which diff do you have ?. The early ones had a thread in the diff halve. The later ones had a nylon washer and a nut.
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  #183  
Old 27-10-2011
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I got a thread in the diff half
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  #184  
Old 27-10-2011
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Quote:
Originally Posted by jaysllim View Post
I got a thread in the diff half

If you can hang on for a few weeks jay,Adey and I may have an
interesting developement on another diff idea we've had.

If we're right,it'll mean a straight swap of a few parts from another make and no machining.

Mark
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  #185  
Old 28-10-2011
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Quote:
Originally Posted by Miggers View Post
If you can hang on for a few weeks jay,Adey and I may have an
interesting developement on another diff idea we've had.

If we're right,it'll mean a straight swap of a few parts from another make and no machining.

Mark
Plz plz keep me posted on this guys even if u have to pm me because theres a couple of vintage rc10 at the club witch i would like to be a contemder with not being lapped lol thanks guys
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  #186  
Old 13-11-2011
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Default Early 90's cobra

Here's a pic of my early 90's mardave cobra. Does anyone remember who made this replacement bodyshell??
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  #187  
Old 13-11-2011
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no idea but i like the car, what wheels are they and more pics please
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  #188  
Old 13-11-2011
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The wheels are the standard mardave dished wheels,but with the face of the wheel cut out to reveal just the spokes. Mods that were carried out back in the early 90's were option house shocks,front shocks mounted to the front of the wishbones,home made carbon fibre front shock mount and carbon fibre chassis and top deck.
Recently freshened up the look of the car with allen head screws, new ball joints, adjustable links and the fibrelyte rear shock and wing mount.
I think the bodyshell was from parma,but i'm not at all sure,wish i could get another 1.
Is there any news on the possible diff upgrade??
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File Type: jpg cobra 1.jpg (394.3 KB, 92 views)
File Type: jpg cobra 2.jpg (305.0 KB, 62 views)
File Type: jpg cobra 3.jpg (323.0 KB, 51 views)
File Type: jpg cobra 4.jpg (422.3 KB, 65 views)
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  #189  
Old 13-11-2011
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if you want a diff sorting, i can help but you have to decide if you want a mardave diff or rc10 diff transplant. Pm sent
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  #190  
Old 13-11-2011
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Quote:
Originally Posted by bazza373 View Post
Good reading in this thread chaps.

I have a std Cobra which I plan to dust off and bob my brushless stuff into.

Quick question about the diffs, whats the best solution to date? B3GB/mardave mod? Meteor diff halves on the Cobra diff gear? Ansmann diff built into cobra housing?

Any progress on stronger drivershafts? The mardave ones do look venerable!

Cheers
An update on mine, set too on it last week. Decided to go for a Losi22 gear box grafted on to the chassis. The losi22 come with rear & mid gearbox casings so I had the rear pair spare, got the gubbings for the middle and built that up.

Cut down the Cobra gear box to retain the original rear wishbone hangers and mountings, bolting the Losi22 box in-between them. The 22 box itself bolts to some bracing/battery holder which can only help hold it all in place. Got the normal carbon shock towers made by a friend. Just needed a small alloy brace to connect the rear shock tower to the top of the battery holder and we was up and running.

Had it out on the street the other night in damp conditions & fading light (Yea, it was dark!) pleased how it went, really fast and plenty of fun! Going to try it indoor on carpet this week. Cobra22 anyone!







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  #191  
Old 13-11-2011
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Quote:
Originally Posted by karlmark1 View Post
Here's a pic of my early 90's mardave cobra. Does anyone remember who made this replacement bodyshell??
Not sure on the shell but the EL LOCO stickers.....had one of those on my meteor moons ago.

The shell was aftermarket by a company that also did replacements for the cats of the day.
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  #192  
Old 13-11-2011
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Ooooh,ooooh,those carbon bits look oh-so-sexy on yours Sloth.

Bazza,you've beat me to it!!!!!.

I'm just grafting a Mad Rat 'box onto mine right now.
Gone slightly different though,I've cut up the Cobra 'box so as to retain the
wishbone and the suspension plate mount.

What're those turnbuckles off please mate?

Pics soon bretheren.

Mark
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  #193  
Old 13-11-2011
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They have come off the Losi as well, slightly too long but will do for giving it a try.
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  #194  
Old 13-11-2011
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like the 22 gbox transplant. Building a mid motor cobra to try
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  #195  
Old 20-11-2011
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Default The Cobra and The 'Rat

Mission accomplished.

Cobra now fitted with a Mad Rat gearbox.

This is just the "technology demonstrator" so to speak.
Now I've figured it out,I'll design some better mounts and make them
up in ally or delrin.
The bottom line is though,the 'Rat box is lighter,quieter,smoother,has a
decent slipper(still got to turn the plates down to 31mm)and the all
important wear ringed diff.

CobRat,Cobra-Rat?,nah,still a Cobra









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  #196  
Old 23-11-2011
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Miggers thats looking well sweet nice to see it in the flesh,have u raced it yet? Let me no how it goes,just wana get my back surgery out of the way then i can have a word with u nd get my one going mate.

Keep up the gd wrk
Jay
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  #197  
Old 23-11-2011
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that looks good miggers. Somebody told me that mardave are doing another cobra.
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  #198  
Old 24-11-2011
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Thankyou bretheren.

I haven't tested it yet(apart from a few blasts across the living room floor),
Sunday looks favorite down at the local park/bmx/play area.
It has some cracking earth jumps and a mixture of surfaces.
Get there early before the kids wake up and the dog walkers appear,you can have a good hour of unmolested belting around.

Measured up the gearbox mounts,so I need to have a chat with one of the local engineering shops that I'm pally with to see about having a couple of sets knocked up(I'm already under contract to do another for a mate)
snd get the slipper plates turned down.

I could also do with getting shot of those green rear springs and the rest of
the green anodising on the motor mount too

Needs a good clean too,it's still got Ledbury dust all over it from our long weekend away back in August
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  #199  
Old 24-11-2011
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i am running my cobra friday for the first time in a good while. I am trying it on associated shocks rather than tamiya ones and i will also be trying my mardave/associated hybrid gearbox rather than my rc10 b3 gearbox just to see if it can live with a 6.5. If anybody has any mardave cobra shocks in good order they want to sell, please send me a pm
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  #200  
Old 25-11-2011
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Think the old mans got a spare pair of orginal mardave shaocks spare from the box of brand new cobra bits he picked up,also i no for a fact that he has a unused brand new never run tq with a slipper clutch witch will be going up for sale in the next couple of days.

So im going down there tomoz to do sum wrk on my c4 so will ask him bought the shocks,but if n e body knows of sumone wanting the tq let me no plz.

Ow ye thinking bought it i got another 2 cobra se's with original shocks on them dunno how good they are as havent had time to look at them yet,but again ill have a look tomoz foru mate nd let u no.

Also tell let me how tha diff wrks out for u,as u no im abit power hungry for the cobra im trying to build (but as u no due my personal problems thats harder than it sounds) lol
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