Muvro

Slipper clutch design for TA01-02

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Hi all, I've been designing a slipper clutch setup and diff upgrade for the TA01-02 platform and have contacted MIP about it. They have shown an interest in it and wanting to see how much interest it has to see if it's a viable project.

The gearbox will have a slipper clutch and 48 pitch spur selection. At the moment I have been setting it up with a belt drive, because I don't have 3D computer design and printing abilities to make a gearbox to accommodate an idler gear. This is something that MIP would nut out, I personally think the use of a standard TA03 diff gear with different modern diff outdrives and a modern style slipper is the go. I am wanting the gearbox to appear as standard as possible on the outside. 

If you have a Manta Ray, or a Top Force and are interested in this project, or have any ideas or questions, please post them up here. Also if anyone has any ideas on where to post this to reach a wider audience please let me know.

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If it can fit inside using a standard 06 module without mods I’ll take 3 straight out. But I fear you’ll have little interest in a severely altered arrangement. In a ideal world you’ll make a gear with the slipper arrangement inside, but that’ll be a fresh design project. Many years ago there was a company that did exactly that for the ff01. Which is a similar gear. 

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45 minutes ago, Juls1 said:

If it can fit inside using a standard 06 module without mods I’ll take 3 straight out. But I fear you’ll have little interest in a severely altered arrangement. In a ideal world you’ll make a gear with the slipper arrangement inside, but that’ll be a fresh design project. Many years ago there was a company that did exactly that for the ff01. Which is a similar gear. 

It won't be possible to make it fit inside a stock gearbox housing whilst using a large, modern slipper pad. It can be made to use a .6 module, however the availability of larger pinions is very limited and the largest I've been able to find is a 25t. Going to 48p would allow a much larger range of gearing options.

I envisage a drop in replacement gearbox, that will appear stock on the outide except for the adjustment nut for the slipper. Much like other Tamiya aftermarket options for example the stealth gearbox drop in for an astute/Kingcab platform. Or like someone recently designed, a gearbox for the Astute that takes Schumacher gearing and slipper, due to the limited availability of the TTC gearbox and the fragile nature of the stock box when using modern more powerful Brushless setups.

 

Presision did a spring loaded spur for the FF01 and the TA01-02, I have both, however, the spring isn't that strong. 

 

HPI also did a very small slipper for their RS4 range that went on the layshaft and allowed it to operate on one single belt.

 

i did look at trying to design a drop in replacement spur, but there just isn't the room available.

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19 hours ago, Muvro said:

Or like someone recently designed, a gearbox for the Astute that takes Schumacher gearing and slipper, due to the limited availability of the TTC gearbox and the fragile nature of the stock box when using modern more powerful Brushless setups

That was me.

Actually a DF-01 slipper was one of my earlier projects. I tried to get a fit with the vanilla 0.6m gears and it's possible (but complicated). The setup I got to fit involved a traxxas mini-e revo slipper pad (small enough to not need much room in the housing) retrofitted onto the DF-01 spur with a hollow layshaft to allow the slipper to be tightened from outside the gearbox. Basically space is super tight - with proper manufacturer tolerances and materials like MIP, probably doable however.

Honestly tho, a new gearbox would be better, you could then fit a modern sealed diff, a proper slipper and also solve the issue with the gearbox lid lifting. 

Alternatively..... a simpler way to solve the slipper problem is via a slipper pinion.

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Hi Muvro, I think this is s great idea.

I'm a massive fan on the Manta Ray / Top Force and this is one of the main area that could really improve the car. I agree its probably better to go for a full new drop in gear box that looks the same or very close to the original unit. A new unit also gives you an option to tackle some of the other issues with the rear gear box including the lifting problem and drive cups etc. Maybe even a new motor plate giving a larger range of spur and pinion gears.
Do you have any more photos to look at? I'm keen to see the other side of the gearbox with the spring setup bevel gears and how the prop-shaft all sits together.
I would definitely be interested in a few of these units if they became available.

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