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Chassis Flattening


Alan Hassell

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Can anybody recommend a good way of chassis flattering. Has anybody used the NSR flattened, what are the pro’s and con’s apart from expensiveness. Is the boiling water the best way where chassis attached to metal and boiling water poured over and left to stand for a while.

Any recommendations would be appreciated.

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Hi Allan,

Personally I do not like the boiling water method, but I do use a water method.

I magnet body to metal plate, heaps of small magnets in strategic locations, totally cover with water and then put in oven, keep track of water temp up to about 50 degrees should soften the resin enough to be malleable and 90 degrees for plastics, some plastics more, some slightly less.

Once at softened temp the turn oven off and let cool slowly. Works for me anyway.

never used a third party product so cannot advise.

Check this post out as well.

https://auslot.com/forums/index.php?/topic/20438-flattening-an-nsr-chassis/

Hope that helps

Cheers Grant

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https://auslot.com/forums/index.php?/topic/37451-2025-mad-man-motoring-triple-m-proxy-group-5-132-143/

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When I wasn’t too lazy to actually flatten chassis on new builds ……. I used the boiling water method on a slab of steel, but by the time I poured it slowly onto the steel plate and the tub, it is probably down to below 70c by the time the chassis is really immersed. I think that seems a safe margin not to degrade the chassis plastic. 
I always leave the water to cool slowly, maybe an hour. 
But I’ve really only done the type of chassis plastic used by Slot.it, Policar, Sideways and ScaleAuto - and in distant history - Ninco 

Occasionally had to repeat the process, but not often.

And fitting a spare dummy pod to the chassis before flattening is a good idea.
In the case of non-podded chassis, I would fit bushes and axles to discourage axle post warping 

Custodian of many used screws (quite a few loose :rolleyes:)  * Recovering Lapsed Slot Addict :ph34r:  *   Companion of other delusional slot addicts :lol: *  Total kidder

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I have used the NSR flattener extensively, with consistently good results. Recently, to speed up the process, I have been putting the hot flattener in the beer fridge to cool down. Maybe that helps the hot chassis's to stay flat? Who knows. 

Podiums are for short people.

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