Long Wheel Axels and Squares Needed?

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Porschester

Porschester

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Hello,

I’m wondering if you can help, as you guys are the experts!

I have two KP MK3 hydraulic disk (KPD011-1 http://www.kp-designs.co.uk/hydraulic_brakes.html) brakes on the front and rear of my FG Monster Beetle, THERE GREAT!!. I also have the FG Ball drive set with my monster tyres on the car and all is well.

Here’s the problem, when I try to fit the normal Marder wheels or on road wheels the red Brake calliper is sticking out too much so the wheels cant go on, they don’t fit down properly on the drive square (touching the caliper), for want of better words. I suspect what I need is a longer rear ball drive axel (like part number 06079/01, but longer) and a larger drive square.

I'd really appreciate it if you guys can you advise what I need to get so that normal marder wheels can be fit all round, of course bearing in mind that I'd like to keep the hydraulic brakes (and calipers!;o)? I don't mind changing back to normal dogbones if I have to.

I cant find very much on the net with regards to 'longer' axels for FG cars, lots of people must have this problem when they install any cable or hydraulic brakes!

Porsche
 
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you should be able to fit the 14mm drive square with out changing

anything else .....is it just the rear that are catching :D

K....
 
Yeah thats the problem, i do have bigger wheel squares and have tried them but then i don't have enough threads for the nut.

Yes its just the rear thats not fitting as the front seems to have a long enough axel so with the bigger square there are enough threads.

Any more ideas?

I think really someone must know all about the larger axels and will let me know what I need.
 
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there are longer axles for the dogbones but I am not aware of any for the ball drives. my bud dremmeled the inside of his wheel out to clear the brakes with marder tires...
 
ok fair enough .. i have lots of different tyres though, marder and slicks .. so it may be better to go back to dogbones .. do you know the part numbers of the longer dogbone type axels?
 
I just saw this on ebay when I googled that part num.

FG 6079/1 Ball Drive Outdrive Monster,Marder,Baja etc..

http://cgi.ebay.co.uk/FG-6079-1-Bal...sGames_RadioControlled_JN&hash=item5d25bd130a

FG 6079 Rear Dogbone Stub Axle, Marder, Monster, Baja..

http://cgi.ebay.co.uk/FG-6079-Rear-...sGames_RadioControlled_JN&hash=item5d2bfc3d19

I wonder if 6079/1 is 59mm? thats what I have on now i think .. I got the car second hand so don't know.

At the moment I can get the 14mm square on but then i run out of thread space.

And isnt the standard axle 6079? Is there not a 'longer' one?
 
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Hey,

I figured out the problem.

Longer axels do not exist! what the problem is is the rim offset.

Basically the Marder wheels I have may have come from a clone as there was no steel ring on the inside of the rim and so the offset was NIL. Basically any Marder wheel with the steel ring on the inside should work ..

What I will do is buy some steel ring tyres for the back and use the no offset wheels on the front. The front is OK with the disk brakes as there ARE longer axels in the front and so the larger squares fit just fine.

Hope this helps.

Porsche
 
hi, Porsche thanks for the help, it's been driving me mad for weeks,i had better get some new wheels now . cheers ........phil
 
FYI - here are some pics of wheels with and without offsets!!

white has no offset .. yellow has like a 8mm offset (approx the width of the metal band)
 

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