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AzNDRAGster
11-01-2004, 04:21 AM
I find that my old car (HPI Pro) had more acelleration than the SD. Any thoughts on how to make it acellerate faster? I was racing in the night time 8:00 - 12:00, maybe its just me.

Merciless
11-01-2004, 10:46 AM
Think it must be you m8,the whole point of shaft drive is better accelleration.

:) ;) :)

Maybe you got the gearing of your motor alittle closer to perfect than you have managed in the sd ??

cobra81li200
11-01-2004, 01:59 PM
Agree with that, or maybe a better setup, giving more traction on the HPI than on the SD. Is the track bumpy or flat ?

MattWinyard
11-01-2004, 11:17 PM
Think it must be you m8,the whole point of shaft drive is better accelleration.

:) ;) :)

Maybe you got the gearing of your motor alittle closer to perfect than you have managed in the sd ??


I dissagree, from a rolling start a Shaft will pull more than a belt, from stand still a belt whips shaft... (metaphor)

Anyway, do what I did.

Original Prop Shaft - 16 Grams
My Prop - 8 Grams

Original input shafts total weight - 30 Grams I think ...
My input shafts - 16 Grams (I think) ...
Can't be bothered to weigh them again anyway they weigh half as much :)

And get a Titanium screw set, it knocks half the weight off all the screws in the car. (87)

BC Rog
11-01-2004, 11:27 PM
So how did you halve the weights of those items???

Interested.

Rog

MattWinyard
11-01-2004, 11:32 PM
Replaced them...

My Input shafts are now Titanium (Made by my Father) ... He made Project Winyard (remember?)

Hollow carbon fibre centre shaft with Titanium Ends... reinforced with Titanium Pins drilled through graphite and Titanium) and Araldite to glue... Trying it on wednesday...

AzNDRAGster
12-01-2004, 07:40 AM
Think it must be you m8,the whole point of shaft drive is better accelleration.

:) ;) :)

Maybe you got the gearing of your motor alittle closer to perfect than you have managed in the sd ??


Whats an M8?

MattWinyard
12-01-2004, 12:27 PM
m8 ... say it as a word... then it forms "mate" see ?

AzNDRAGster
13-01-2004, 02:51 AM
OH. I never really say mate, anyway, going off topic here. Do the titanum screws really knock off half the weight? Its only $24 is it really worth it? Should I also get the carbon shaft?

MattWinyard
13-01-2004, 02:56 AM
Yes...

But given the choise get the graphite shaft....

Weight off drive train then see?

AzNDRAGster
13-01-2004, 04:38 AM
What are the dog bones made out of?

AzNDRAGster
13-01-2004, 05:52 AM
Agree with that, or maybe a better setup, giving more traction on the HPI than on the SD. Is the track bumpy or flat ?


I was Parking lot racing at the time. . . . . .

MattWinyard
13-01-2004, 06:33 PM
Standard ones are steel, but they do do a hop up aluminum ones.

Will have to get some! ... Dogbones are hard to make, heard TiR are doing some? Anyone got these? Any good or not?

AzNDRAGster
14-01-2004, 01:45 AM
I've heard the Tobee dogbones suck.

johnbull
15-01-2004, 10:36 AM
I use Tobee dogbones with 10, 9 and 8 turn motors without problems. And with a locked front diff too. You buy a set of 2 for the price of 1 original.

What sort of problems have you experienced.

Regards

Joe from sunny Malta.

MattWinyard
15-01-2004, 06:40 PM
Well that sounds good.

On the Yokomo USA (yokomousa.com) optional parts list for SD it says that the aluminum drive shafts are "Rear" ... does this mean they are only for the rear? As I dont think the dogbones are different front to rear, I know the ends are though.

Anyone think it could be with that problem people have with shearing front shafts when they use a one way/solid diff? I use a ball diff. Would that make a difference?

cobra81li200
15-01-2004, 07:26 PM
Nope, there is only one for front.

Tobbe dogbones twists and the pins wears very fast.

AzNDRAGster
16-01-2004, 01:19 AM
Nope, there is only one for front.

Tobbe dogbones twists and the pins wears very fast.


I heard some one snapped one before, the thinnest part, the closest to the outdrive.