DBXL 2.0 Gearing (acceleration)

[tizdaz]

Hi guys, just taken my dibby 2.0 out for 1st time, went well, got it tuned, i have an olimat tuned pipe.

But the acceleration lacks a little, engine still needs to loosen up a little i guess (ran about 2 tanks through it), mid to high end its like a rocket but low end/acceleration is a little slow off the mark so what's a good gearing (spur/pinion?) to go for over the stock gearing to give better acceleration please?

Thanks

....forgot to say I'm using Madmax Land rippers which are larger rims/tires than stock so this will be the reason why acceleration is lacking!

 

[Jshaff16]

Go a tooth larger on pinion gear.

 

[tizdaz]

Go a tooth larger on pinion gear.

is the stock 21T? so i should get 22T, would i need to change the Spur too or leave that as is ?

Cheers

 

[Jshaff16]

Mine was a 1.0, believe i just went with 22t pinion and left the spur alone. It's part of the hobby. Try the 22 and see how you like it.

 

[tizdaz]

Mine was a 1.0, believe i just went with 22t pinion and left the spur alone. It's part of the hobby. Try the 22 and see how you like it.

oki doke, i just looked it up, the stock gearing is 20T so i need the 21T pinion, will i need this to: https://www.tps-racing.com/products...139-losi-dbxl-2-0-motor-plates-21t-4-pcs.html ?

 

[Jshaff16]

You know on the original they didn't have those. I ran them on my 5b when it was a small bore. But definitely let someone else with a 2.0 decide. My guess is yes, you'll need them

 

[tizdaz]

You know on the original they didn't have those. I ran them on my 5b when it was a small bore. But definitely let someone else with a 2.0 decide. My guess is yes, you'll need them

i have them on it now for the stock pinion, it came with them, it keeps the mesh 100% as the bolt has no way to slide/move

 

[Jshaff16]

There is your answer. You'll need em for the 21t yes.

 

[tizdaz]

There is your answer. You'll need em for the 21t yes.

will 21T make a big difference from 20T or should i got 22T? because for each set (mounts plus the pinion) its going to cost around £50! so id rather try and get it right 1st time lol ?

 

[Jshaff16]

You'll definitely notice a difference with the 21. I was happy and stopped there. Again, I'm not going to speak over my knowledge level. You may want to wait for someone who has same rig and changed gears. My rig was different.

In my opinion l, I'd go with the +1 on pinion and see. Once you start it doesn't end.

 

[tizdaz]

You'll definitely notice a difference with the 21. I was happy and stopped there. Again, I'm not going to speak over my knowledge level. You may want to wait for someone who has same rig and changed gears. My rig was different.

In my opinion l, I'd go with the +1 on pinion and see. Once you start it doesn't end.

thanks buddy! ..yeah leaning towards 21T for now and see how it goes
cpl of pics from todays break in

 

[RcJunkie13]

Hi guys, just taken my dibby 2.0 out for 1st time, went well, got it tuned, i have an olimat tuned pipe.

But the acceleration lacks a little, engine still needs to loosen up a little i guess (ran about 2 tanks through it), mid to high end its like a rocket but low end/acceleration is a little slow off the mark so what's a good gearing (spur/pinion?) to go for over the stock gearing to give better acceleration please?

Thanks

....forgot to say I'm using Madmax Land rippers which are larger rims/tires than stock so this will be the reason why acceleration is lacking!

adding teeth to the pinion will increase the top end with a sacrifice of acceleration/torque, removing teeth from the pinion will increase low-end torque/acceleration with a sacrifice of top speed

 

[tizdaz]

adding teeth to the pinion will increase the top end with a sacrifice of acceleration/torque, removing teeth from the pinion will increase low-end torque/acceleration with a sacrifice of top speed

so getting 21T will make mine worse in terms of acceleration? so id need 19T then ?

 

[RcJunkie13]

yes

 

[tizdaz]

yes

ok cheers!

 

[Jshaff16]

See! That's exactly why lol...thx @RcJunkie13 I knew someone would help.

 

[tizdaz]

my FG ran 16T pinion with 48 spur that had similar size rims/tires (maybe just a little smaller but not much) but my FG was rear wheel drive only, im not sure tbh what size spur is on the stock dbxl 2.0? but like you say, dropping from 20T to 19 should help, maybe even 18T? as these rims/tires are pretty huge!
ok so it seems the stock spur is 62T which i will leave for now and see how the smaller pinion works out

 

[RcJunkie13]

yup i have those same wheels just different threads, they are also very heavy. maybe buy a couple gears if you can and see what works best

 

[tizdaz]

yup i have those same wheels just different threads, they are also very heavy. maybe buy a couple gears if you can and see what works best

problem is it will cost me around £52 per gear i try! as id have to buy the engine lugs too to go with the gear and in UK the cheapest is £52 for gear and lugs so not sure if i should get the 19 or 18T and hope its a good 1st choice!?