dangermouse Posted June 28, 2016 Report Share Posted June 28, 2016 Hello all Looking at sidewinder gears and have discovered they come in 16.5mm - 17.5mm - 18mm - 19mm what the heck is with that? From what I can gather sidewinder pinions are either 6mm or 6.5mm but I have seen them at 6.75mm Can anyone post a link to a reference site that helps sort that out - do I buy a 18/6 or 18/6.5 or 19/6 I have worked out that 19mm needs large wheels but not much else Also do you stick to similar ratios with sidewinder as you do with inline - e.g. 3:1 - so 33/11 or 36/12 or 30/10 etc Any tips appreciated cheers David Quote Link to comment Share on other sites More sharing options...
kalbfellp Posted June 28, 2016 Report Share Posted June 28, 2016 It would help if we knew what brand of gears you are looking at or what car you want to put them on. Some makes only fit when the pinion and spur are brought as a set. Quote Phil https://www.hobartminiaturecarclub.com/ Email Link to comment Share on other sites More sharing options...
shadow_rusty Posted June 28, 2016 Report Share Posted June 28, 2016 I generally measure the gears I took off, and get the same sized ones. Scaley/Fly tend to use 6.5/19 From memory, Pioneer use 7/19, which makes finding a pinion much harder. I think that Revell are 7.5/19 Slot.it should be 6.5/18 but it will depend on which pod you use as some of the offset pods might use a larger pinion. NSR tend to be 6.5/17.5. So, yes, plenty of variation. Then there's anglewinder which throws another spanner in the works... Quote Stolen from SlotsNZ Team ABC Team Leader (Ambitious, But Crap) Home Track Threads - Shadow's Semi-Permanent Layout & Another Rug Racer & Proud of It & Gymkhana Test Track Car Collection Thread - My Car Collection Charts / Diagrams - MJK Tyre Selector / Slot.it 4wd Gearing / PoliCar Rollout / Rollout Chart Generator / SCX 4wd Rollout / Track Wiring with Brake on Track Call Link to comment Share on other sites More sharing options...
dangermouse Posted June 28, 2016 Author Report Share Posted June 28, 2016 All brands - NSR - slot.it and Scaleauto are ones that I found - I am using them for scratch builds - when I use HRS chassis I will use slot.it gears - I generally will by matching gears and pinions as I understand the pitch can vary from gear to gear all fun - cheers David Quote Link to comment Share on other sites More sharing options...
kalbfellp Posted June 29, 2016 Report Share Posted June 29, 2016 IMO the best are Slot It as you usually only need the one diameter pinion 6.5mm to suit both 18mm and 19mm gears, and the spur or pinion can be changed with out changing the other. As you are scratchbuilding I would suggest 18mm Spur to give more clearance. Quote Phil https://www.hobartminiaturecarclub.com/ Email Link to comment Share on other sites More sharing options...
Wobble Posted June 29, 2016 Report Share Posted June 29, 2016 Also do you stick to similar ratios with sidewinder as you do with inline - e.g. 3:1 - so 33/11 or 36/12 or 30/10 etc Any tips appreciated cheers David Generally speaking 3:1 ratio is a good place to start but the performance comes down to the choice of the motor and the diameter of the wheels. Because there's so much difference in the output of similar size motors I go by the braking of the car to determine the gearing. If a cars brakes are too strong and make it dificult to drive because it's too twitchy and doesn't flow I try a taller ratio and vice versa. If the brakes are useless and it has all top end I'll try a lower ratio. eg. my Monogram Galaxie with standard motor has a Scaley spur and 10 tooth pinion 3.6:1 and it has good brakes and is easy to drive although a wee bit lacking in top end speed and my NSR P68 which would stop on a dime now runs 12:33 (2.75) and is a lot easier to drive quickly and smoothly. Quote Link to comment Share on other sites More sharing options...
David Carter Posted June 29, 2016 Report Share Posted June 29, 2016 I mostly use the slot-it or nsr gears I do prefer the nsr as it has a nicer mesh and I like the 17.5 dia spur it allows a bit more play with clearance both brands work well when used together I do pretty much what wobble said above Quote Holdens rule the rest just drool slot cars are my drug, ATCC/Bathurst proxy host NZ Grp5 proxy host. Link to comment Share on other sites More sharing options...
Camber Posted June 29, 2016 Report Share Posted June 29, 2016 Just to throw another possibility in the mix, Plafit plastic pinions can provide a fabulous mesh in some inline and angle winder configurations. Haven't mucked around with sidewinder. Very cheap too. Quote Hoo Roo Link to comment Share on other sites More sharing options...
Caddo Posted June 29, 2016 Report Share Posted June 29, 2016 The main reason for the sidewinder gear size differences is that the distance between the motor shaft & rear axle varies between cars. Similar to Cam, I've found you can mess around with various sizes of gears. I think sidewinder pinions [normally 6.5mm] & anglewinder pinions [normally 7 or 7.5mm] can generally be used in either set up. I mostly use the slot-it or nsr gears I do prefer the nsr as it has a nicer mesh and I like the 17.5 dia spur it allows a bit more play with clearance both brands work well when used together I do pretty much what wobble said above Also agree with Dave here. Biggest benefit from smaller spur gears is increased tyre life, as the spur diameter is much smaller than the rim/tyre. The trade off with NSR gears is they have wider hubs due to the bigger hex screws used to lock them on. Can be more difficult to fit gears & wheels under the guards of narrow cars. Quote Link to comment Share on other sites More sharing options...
David Carter Posted June 29, 2016 Report Share Posted June 29, 2016 that is when I go for the slot-it gears with either short hub or hub-less rims or just stick with the standard axle/gear set up if they are up to scratch Quote Holdens rule the rest just drool slot cars are my drug, ATCC/Bathurst proxy host NZ Grp5 proxy host. Link to comment Share on other sites More sharing options...
dangermouse Posted June 30, 2016 Author Report Share Posted June 30, 2016 thanks chaps - I use plafit pinions - the 12t is a good replacement for scalextric cars - seems to remove the slop, they are also a good replacement for ninco angle winder cars Quote Link to comment Share on other sites More sharing options...
bowley Posted March 7, 2023 Report Share Posted March 7, 2023 hi i have a scaleautors200 sidewinder & am puting a motor at front too so will be 4x4 twin motor. i will also fit 17.5 x 9mm alloy wheels,so am wantin any advice & opinions on this. regards Bowley Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.