Question Sidewinder Crown - Inline Pinion - Printable Version

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+--- Thread: Question Sidewinder Crown - Inline Pinion (/showthread.php?tid=4351)

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RE: Sidewinder Crown - Inline Pinion - chrisguyw - 28th-May-24

Hi Tony,........a simpler option for your first scratchbuilt sidewinder chassis may be a "hybrid",.......I have built several of these and they do work very very well,  (all the chassis pictured, won their respective proxies) and for your 1st attempt, this design eliminates the messing about with rear axle height/alignment, and motor positioning.

I built this one several years back.............basically a "U' shaped piece of .047 or .055 wire with a couple of brass cross straps drilled and positioned to accept a Slot-it pod.
This one has some hinged pans on it, and pin tubes ,as it ran under a pin mounted Lexan body,.......you obviously do not heed these.



This is an inline version, this one with brass tabs for a body post/screw mounting syetem.



This one also an inline,......but with longer/heavier pans soldered directly to the main chassis rail,........I would build without the pans initially, try the car, and add pans (if needed later). This also has a different method of attaching the front of the pod, which you do not need.



This is the clearest pic. of the basic chassis, again, you do not need the wire pans I have made for this one,......brass tabs/body post/screws will be the best for your styrene body.
A wire 'U" with brass cross plates for mounting the pod.



And,.......if you are pinched width wise, (the Airfix 250 is relatively narrow),.....you can modify Slot-it/Scaleauto pods to pick up a few mm in width

Cut the bushing cup "ears" off of the Slot-it pod, open the holes a touch and use some single flanged 3/32 x 3/16 oilites,.......these can be glued flange in or out, depending on how much room you need.............this pic. is obviously an inline,......works just the same on a SW pod.



If you want to save time in opening the diameter of the rear uprights to fit the 3/16 oilites, you can get some of the reduced bore bushings from MRSlotcar....these are wonderful !!

Standard 3/32 x 3/16 single flanged oilites on the right,.........3/32 reduced dia. MRSlotcar bushings on the left ,...Part # SR2001



Cheers
Chris WAlker

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RE: Sidewinder Crown - Inline Pinion - Kevan - 28th-May-24

One of the beauties of using brass apart from the visual is they last years and years without 'going off'...as long as you neutralise the acid flux used.

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RE: Sidewinder Crown - Inline Pinion - chrisguyw - 29th-May-24

Hi Tony,..........forgot to include this pic. of the finished chassis from the above post

Cheers
Chris Walker

The basic chassis plate shown above




And the finished chassis,...sidewinder pod installed........this one a "magnet" car,    with a Lexan body,  built for a customer......I don't mind a well done lexan body, but personally, I don't care for magnets.

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RE: Sidewinder Crown - Inline Pinion - Tibbs - 29th-May-24

This is great stuff Chris, thank you.
There is so much detail to take in, I love the cut out in the axle tubes.

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RE: Sidewinder Crown - Inline Pinion - chrisguyw - 29th-May-24

(29th-May-24, 08:46 AM)Tibbs Wrote:  This is great stuff Chris, thank you.
There is so much detail to take in, I love the cut out in the axle tubes.

Hi Tony, While the cut out axle tubes look cool, I generally don't bother on non magnet cars/chassis,.......on a magnet car, any reduction of weight does translate to quicker lap times, hence why it was done on the chassis pictured in the previous post.

Cheers
Chris Walker

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