vic88my

Hi expert buddies,

I am vic, I have 2 questions :

1. Is 1/8 size with eg .28 engine more fuel consumption than a 1/10 size engine eg. .15 size ? Is the difference 50% more ?

2. Is 1/8 car .28 of 3.3kg faster and better acceleration than 1/10 car of 2.2kg of .18 engine ? both are single speed.

Thanks

Regards,
Vic

annie_himself

iTrader: (5)

A .15 will use less fuel but I am no scientist so I cannot tell you the percentage compared to a .28.

A 10th scale can be faster, and a 8th scale can be faster. It all depends on the engine and gearing.

rhymster

iTrader: (5)

the .15 will use less fuel and in normal circumstances considering your 1/8th scale is 4 wheel drive and the 1/10 scale is 2wd (which most are) the 1/8 should smoke the 1/10

skeller

iTrader: (11)

Most all of this depends on the skill of the driver. Look at the real pros....Adam Drake will turn the same amount of laps in a 1 hour race with 1/10 and 1/8.

But for the average club racer yes.....1/8 will usually smoke 1/10.

vic88my

nope, nearly all kyosho models 1/10 are 4wd. eg. TR15, ST, pure ten on road, v one RRR, all are 4wd. Other brands too.

Turbine_au

iTrader: (6)

Well, what cars are you looking at then?

Most 1/10th offroad race cars are 2WD stadium trucks.

mugenlife

iTrader: (4)

if you are talking run time i would venture to say an 1/8 scale has a larger tank and can go over obsticles easier....in 2wd truck i see them pit about every 7 min and i see 1/8 pit every 7-9 min....course it depends on actuall vehicles and where you plan on running them

rhymster

iTrader: (5)

i was saying 1/10 will get better fuel mileage and it will. he asked .15 to a .21 not .15 with a .15 fuel tank and .21 with a .21 fuel tank. why else would people be switching to .18 in the truggys? better fuel mileage.

vic88my

What I mean is that 1/10 is more fuel cost savings $$ ? not the fuel tank.

I mean fuel consumption. For example, miles travelled per gallon for real cars.

If .28 fuel consumption is 50% more than .15 whereas speed and acceleration is
the same, I will choose .15,


Regards,
Victor(CPA)
Chartered Accountant

annie_himself

iTrader: (5)

Well a .15 will naturally use less fuel.
The power is completely determined on motor, tuning, and gearing. Also, a .12 will rev higher than a .28 any day.

vic88my

but, seems like 1/8 is louder and noisier than 1/10 ?

mugenlife

iTrader: (4)

go brushless lmao....

vic88my

I have an electric truck. but, the sound is not nice.

I like the sound of engine. can release tension from work.

mugenlife

iTrader: (4)

get a mini xray truck or get a baseball card and put it in the rim seriously though fuel costs wont be that drastic between a 10 to an 8th least not enough to ruin the fun factor. a gallon of fuel usually lasts me at least 2 weeks and if you buy right you can get good fuel for 20-25 a gallon..quarts are expensive

rabidsquirrel

iTrader: (2)

I would be more concerned with replacement parts costs vs. fuel costs.

Others have said as much, but I'll restate it, the fuel cost difference between the two are likely to be insignificant when compared to other operational expense differences between the two classes.