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New Rear Idler System for Tamiyas Tigers 
and Susspension Upgrade 
 
 
           
       
 
 
here a sneek-preview of my NEW King Tiger rear-idler-system 
 
 
 
 
 
 
 
 
basicly I use here 2x 4mm Shafts supported with a pillow-block in the middle  
and 2x 3mm plates on the outside with bearings  
( in the moment bushings , but I will change that to bearings ) .. 
the outer idler-arm is machined from steel ( alumium was here not strong enought )  
and clampted on the shafts via setscrews .. 
the original idler-shaft gets inserted into that new outer arm ... 
on the inside you have 2 arms ( alumium ) connected via the shocks  
to the upper portion of the chassis-reinforcement .... 
this is a very ridged setup , no bending from the rear-idlers anymore plus a lot more travel .. 
this is designed for the use of these heavy metal-tracks .... 
you have now so much idler-travel that you can get something "big" ( like the size of a ballpoint-pen )  
between your front-drive-sprocket and the tracks  
( in a battle , we are talking about all the small rocks , what kills an King Tigers tracks ) 
and it will not give any problems anymore .... 
and can be adjusted to your likings ,  
plastic-tracks = lower springtension , metal-tracks = higher spring-tension ... 
I am planing to make the same system for the Tiger 1 ..... 
so far everybody at the east-coast-hobby-show was very impressed about this ...... 
even thought we had no sand or rocks up there ...but ... 
I can do a spin-turn with full speed on carpet ( very high tracktion with metal-tracks )  
without throwing a track ,or any other problems .....I would consider this as bullet-proof ....... 
 
that upgrade-kit will consist out of the following parts : 
 
2x 4mm steel-shafts 
4x ball-bearings 
2x 3mm chassis-reinfocement-plates ( machined aluminum ) 
1x center shaft support ( machined aluminum ) 
1x brace ( machined aluminum ) 
2x inner-arms ( machined aluminum ) 
2x outer arms ( machined steel ) 
2x oil-shocks 
2x differnt set of springs ( soft and hard )  
1x set of spacers ( to adjust spring tension on the shocks )  
misc screws and pins  
 
the whole conversation kit will be configured  
that you can install it without any major modifications  to the original hull .... 
excepted I will recommend to drill a few existing holes bigger  
( the ones holding the original idler-setup ) , 
so larger screws can be used .....and you have to cut out a piece of plastic on the rear-panel , 
but nothing major at all ....... 
 
together with that new suspensions-system , this will be 1 awsome setup ! 
 
 
 
 
comments , questions ........ 
 
                                            
                                        03/21/2004 
 
    
 
 
 
 
 
 
 
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