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1:10 Buggy, ESC + Motor ?


Deafty

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Right, I thought I had to pack in my hobby, close up the workshop and move out till our house gets built late next year, but after visiting a local indoor+outdoor 1:10 club I can have my own workbench which got me thinking.

 

Maybe I down size to 1:10 see how I fair and still get to enjoy the hobby :)

 

So here come the questions :lol:

 

Class:  Likely 2Wd as that's what most of em run.

  • Am I correct in thinking a mid mounted motor is best/better for high grip indoor and RM for outdoor less grip?

Currently looking with extreme interest into the Serpent Spyder SX2 2wd and if I'm right with the above then I'll get the RM vers as they have an outdoor track too :)

 

Heres nice vid from Billy Easton

 

 

 

 

 

My main questions are:

 

ESC:  Naturally I went to hobbywing but am a little lost as to what I need other than small I am unsure on what Amp rating I should really be looking at.  Don't want it to be pushed needs to be reliable and  money is a factor

 

+ Motor:  What to get?, What KV / turn  (above kit calls for 8.5t as stock though many run 7.5t)

Currenlt looking into tenshocks but welcome any recommendations.

 

Tires:  What should I be looking into for both fronts and rears on carpet and loose dusty dirt.?

 

Cheers, any help or other suggestions very welcome

 

NB:// Not committed to serpent btw just want to own one sometime :lol:

 

 

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Indoor or outdoor nobody runs rear motor these days. You definately want a mid motor car. The SSerpent looks nice but has limited UK backing meaning spares are harder to source and you will have to do all the setups yourself.

The B5m, Bmax 2mr and DEX210v2 are all similar cars but with much more support and therefore a better choice.

Motors depend on the brand as much as the wind. Speed Passion motors are quite smooth which means you can get away with a 7.5 where you might need a 8.5 LRP. My preferred 2wd motor is the HPI 8.5t. Its cheaper than most but works just as well.

ESCs can be very expensive but actually for a 2wd buggy you don't need anything fancy. Anything over 80A can handle any motor you would put in a rear drive car, and you don't need fancy timing etc. So whilst Orion R10's are fashionable I know people winning with old LRP Spheres. Anything reliable works fine.

For carpet you want Schumacher yellow minipins or foams if allowed. For dirt (where is this track?) you'd best ask as most have their own control tyre

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If I was picking a new 2wd which I recently have it would be between the b5m, bmax 2wd or 22. In the end I went for the b5m as parts are cheap, plentiful and easily accessible and I have been happy with my previous associated cars. When I got mine it was the in the second batch and I had to preorder it due to the high demand and they sold out within a few days of arriving in the country so most shops will stock parts due to the number of them out there. Your best bet would be to see what every one else is running at the clubs your planing to go to.

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The 22, 210 and RB6 have the advantage they can converted to mid or rear motor. The RB6 is the best of the conventional (ie not 4wd style) 2wds out there but its quite a bit dearer than the B5m which isn't far behind.

The real fuss right now is the 4wd type layouts like the TM2 or KF which are unbeatable on tracks that suit them and hopeless when the grip is low. On carpet a TM2 would rock, on loose dirt it would suck!

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Thanks for your replies :)

 

I'm over in Germany,  most run Rm cars.  I have since read/discovered that MM is certainly the only car to get in the UK.

Can you please enlighten me as to why this is better for loose outdoor dirt or is it a matter that most UK tracks are carpet?  I'm gonna be outdoor as much as possible and though 2 cars would be better that aint an option.

 

Certainly gonna need something of an allrounder that can handle the carpet+dirt.  I aint super competitive but would hate to have such a bad handling outdoor car compared to the others that it aint enjoyable.

 

Here's a pic of the tracks 20 mins away from me.

 

big_27974039_0_700-459.jpg

 

big_33169977_0_400-300.jpg

 

I hear your comments on parts/spare/support for the serpent but I can get parts easily enough within the Eu and what with AsiaTees now stocking Serpent I can live without my LHS not carrying anything.  I can also pick up the Serpent cheaper (locally) than any of the above mentioned cars (which surprises me).

 

For now I'm still stuck on RM and the fact I get imo more car for my money with the serpent (no not because of the vid :lol:) I feel I am headed that way.  Though I am certainly not finished  reading up on the B5(m) + DEX210 which has popped up all over the place in the last year and certainly caught my eye.

 

So: 80a ESC good to go on 2S .  Thanks for the HPI 8-5t tip :)

 

What specs on servos should I be looking at?

 

Thanks.

Edited by Deafty
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The americans mainly race on clay and a few of them have started using mm, I'm not sure I'd this makes them any faster or how it effects the handling but that seems to be the in thing ATM. Xray have a new 2wd that they have been testing on clay and they started off RM and then went over to MM and stayed mm.

If I was going to get 2 race buggy's I would want them to be the same so I don't have to carry two of everything.

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Mm is best on high grip surfaces. With a lot of clay tracks now sugaring for more grip US drivers are moving to mm too. But yes RM suits best for loose low grip. I'd suggest a car that can be converted ie a 210, 22 or RB6. I'm not a fan of the 22, but I do like my 210. Still I'd say the Kyosho RB6 is the best of the 3.

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I do like the serpent it's a great buggy, now cheap is it?

retail here,. 240 euro,. Sub 2 for me though and only 1 sorry :(

 

//

 

dex210 needs upgrades iyo. Serpent is stock solid.  It's a $ thing unfortunately :

Edited by Deafty
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Well that's a shame they no longer stock em :(

 

After some research I am now leaning in the above suggested choice of mid mounted.  I am though still heavily in favour of the serpent and with discovering some minor niggles that have been ironed out with the MM vers it's really a mater of where I go.  My above mentioned price was for only the Rm vers :(  Still can be had for 240 euro but I am confident someone somewhere in Europe wants less.

 

Now:  Moving on,..

 

ESC:  Heavily in favour of 80a as mentioned above.  But does anyone know of cheap options?  I'm not overly knowledgable I'm afraid.  Yes I have seen cheap ones but I don't think Skytoro is the way forward.  LRP spheres run me around 90 euro, where as the Hobbywing 120a comes in a little lower.

 

It was mentioned 'fancy timings' aren't really neccessary but from what I have seen only 'stock class ESC's (17.5t) run without timings.

 

What options do I have for say 150-200 euro 120-160 quid incl motor?  (still looking at 7.5t-8.5t)  oh and sensored would be heavily prefered.

 

Cheers.

Edited by Deafty
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I use this ESC...

http://www.rccarshop.co.uk/index.php/electrics/speed-controllers/hobbywing/hw81020380-hobbywing-xerun-v2-1-bl-esc-90a-blue.html

You have lots of thing that you can change if you wish to, with my 10.5t in my b5m with a highish gearing it doesn't even get warm.

My motor is a http://www.rccarshop.co.uk/index.php/vr3105-vampire-racing-type-ab-plus-bloodline-series-10-5-turn-brushless-spec-motor.html

It has a nice amount of power so much it can pull a wheelie off the start line if I use to much power.

They both work well together and hardly get warm.

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I cant find that ESC on hobbywing (discontinued?)

 

I was referring to this one

 

Do you race alex?

 

I've heard good things on those vampires, hows yours holding up?  oh and how many poles is that 10.5t?

Edited by Deafty
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That is the same ESC just with a higher amp rating.

Yea I've been racing for around 3 years at my local club.

The motors are good but I don't have that much experience with them so can't comment on them but I've heard mix views about them.

I would say that's motor is 2 pole but very punchy.

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Cheers.

 

Looking like thats my ESC sorted :)

 

As for motor, I am somewhat lost on turns for racing.  I will be heading back to this club with a lot of questions on what they run but to your knowledge where should I begin?

 

obviously anything less than stock 17.5t is modified and I guess this is where I want to be as there are so many restrictions on stock class that it's just gonna cost more esp if I wanna move from stock to modified.

 

is 7.5t where it's at or am I better with less KV and gearing up like your mentioned 10.5t ? Coming from 1:8 I found and prefered running low kv and gearing up,. principle is the same but in reality i have no idea esp since these 1:10's are so light anyways.,.I'm confused :lol:

 

edit: this is proving helpful

Edited by Deafty
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Pro level racers will run 6.5t's in their 2wds, but most top club racers run a 7.5t. The average racer is best off with an 8.5t. Thats for a good sized track - make it smaller and like Alex says a 10.5t is probably best.

 

Most current esc's (except stock specific ones) do have timing boost, but older designs don't. I know quite a few racers running old model non-boost LRP Spheres because they are extremely reliable. Newer LRPs have more features but less reliable.

 

I suggested 80A as a minimum but if you can get more you might as well.

 

Race spec sensored motors are almost exclusively 2 pole. You won't need more than that I promose!

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