Kangaroos hops with NSR cars in APB analogue

3728 Views 41 Replies 11 Participants Last post by Crazy Iwan, Jan 17, 2013

chris99

Discussion Starter · Jan 14, 2012 (Edited by Moderator)

NSR car + APB + Analogue = kangaroo hops at minimum speed & pulsing at higher speeds
NSR car + any other car on the track in the same lane at the same + APB + Analogue = normal driving

What's going on here - does anybody else have motor pulsing problems with NSRs? They've both got stock Evo King 21400 rpm motors in anglewinder.
I know the APB analogue mode sends power in pulses but the problem only occurs with NSR; now I have a new NSR car which does exactly the same thing - I only have two. The cars work fine with an old analogue transformer & also with a 9v battery.

Here's the strange bit, whilst testing with the APB, by mistake I put another car on the same lane and the NSR started going normally - this happened no matter what other brand or type, with or without chips, and amazingly if I put the other NSR car on the same lane at the same they both run normally - no pulsing at all?

Have I got a unique problem or it something to do with NSR motors or sine waves or some other electrical phasing gobbledygook?

Cheers
Chris

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Martyn_

· #19 · Jan 15, 2012 (Edited by Moderator)

Chris, I just went and tried mine and she ran perfectly.

It's an NSR 917K, picked it up 22nd Dec last year. Ran in analogue mode on SSDC v5.2.1.0 using wired throttles.
The only speed variations in the vid are either me jumping the frogs on the XLCs or just being incompetent at throttle control. The damn thing was crawling and felt smooth as you like.
It's normally a 4.5 second lap, I managed a 23s+ lap there for you.

Wish me luck, not embedded youtube on this site before!

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Martyn_

· #23 · Jan 16, 2012

Sorry Chris, it's the only NSR I have currently (will be rectifying that wehn the good lady lets me have some more pocket money!).

Got some mates coming over tomorrow for a thrash, so will check who's got what and ask them to bring any Shark cans along if they have them.

I forgot to mention in the original post, I was using bog standard scaley controllers - I have truspeeds and parmas, but not yet made a converter to allow to run on APB.

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Martyn_

· #30 · Feb 1, 2012

Bought myself a white kit Audi R18 on Sunday, the last one in these parts other than the Fischer Pryce style primary colours ones. Bought purely to test this, of course, nothing to do with the fact it is an achingly beautiful car and nearly everyone who has tried one raves about them.

Can say I get exactly the same results with the R18 as I did with the 917K.

Cheers,
Martyn

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