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30-10-2008 04:21 AM
#2065
 Originally Posted by Havocwreaker
I really don't won't to continue this argument in public. It's just dick waving and makes both of us look like twats. I'll PM you my IM address and I'll explain my points without internet-ego inflating our points.
Please don't see from negative view. This is not arguing or to get who right or wrong, or who win. We just exchange some info or knowledge so ppl here will get benefit of our knowledge. like i said before, i just share my info which i got before and makes its not only benefit for me. That's the purpose of this forum, right ? looking forward to discuss and exchange our thought later outside here.
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30-10-2008 01:40 PM
#2066
Look wat I found about saving fuel and reducing drag factor, etc
*****
DRIVING TIP
NUMBER 26
27June 2008
Save pounds at the pump
As soaring fuel prices continue to hit the headlines, motorists cannot fail to be interested in ways to get the most miles out of every tank of petrol.
Regardless of your choice of vehicle, there are techniques you can use to save fuel and at the same time minimise your impact on the environment. These techniques are part of the IAM (Institute of Advanced Motorists) course, which has delivered eco-benefits through fuel efficiency methods since the IAM was established in 1956.
Ask yourself: "Do I really need to drive?": Short journeys that are generally less than two miles cause the most pollution and are inefficient in terms of fuel consumption. A straining cold engine will produce 60 per cent more pollution than a warm one. Walk or cycle where possible instead.
Plan your route: Take the most direct route and go at off-peak times if possible to save fuel and time. Sitting in congestion means you are often doing zero miles per litre. Consider car sharing, Park and Ride schemes or public transport.
Have your vehicle serviced regularly: Inefficient, under-serviced engines can reduce fuel economy by 10 per cent or more. Catalytic converters are environmentally friendly - but only if they are properly maintained.
Check your tyres: Correct tyre pressures reduce wear and helps fuel economy. Under-inflated tyres need replacing more often (itself an environmental problem) as well as being dangerous. Make a point of checking them at least once a week.
Obey the speed limits: Try to ‘feather’ the throttle when you reach your cruising speed. Doing 56mph uses 25 per cent less fuel than 70mph and a smoother driving style can bring significant fuel saving.
Reduce the drag factor: Remove roof racks and carriers when they’re not in use as well as unnecessary boot luggage and heavy accessories. Driving with the window open and using air conditioning increases drag and lowers fuel economy, so use the vent settings instead.
Buy green fuel: And use less of it. If you get stuck in traffic, switch off the engine. Find out if you can buy low sulphur diesel (city diesel) or cleaner petrol (low sulphur/aromatics) locally.
Use “accelerator” sense: Save fuel by planning ahead and reading the traffic in advance to gently join a queue rather than braking suddenly as you hit traffic.
Reverse when you park: The engine will be cold and at its most fuel inefficient when you start it. If you can drive away without having to reverse when the engine is cold, you will save fuel and have better visibility.
Watch your levels: If you fill your fuel tank up to the brim, you may be carrying around additional fuel which in turn means that you have more weight on board than is necessary and this will itself reduce fuel efficiency
Credit to Institute of Advanced Motorists
http://www.civinfo.com/forum/how/151...hniques-3.html
*****
Don't drive with window open, that's weird !
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30-10-2008 06:47 PM
#2067
 Originally Posted by parraboi
in the end, the price for what dmx paid in my opinion does not worth the money for what he will get. i can bet the fuel savings will be really small unless he drives really fast all the time and by doing that it will confume more petrol anyway. again, like the rear wing, its for race cars driven on race courses and of minimal use for day to day driving. at least the wing make ur car look good but u cant even see the cover...
As poor as his use of grammar is, my sentiments are similar to that of parraboi.
My course is Aerospace engineering, but I'm also doing a project with cars. Check out youtube with the search string 'formula sae'.
I made my comments off the back of some research i did specifically on undertrays and under car aerodynamic devices. Granted the application for a formula sae car is different to that of a road car, but the principles remain the same.
My point is just this. Unless you spend a lot of your time driving faster than the speed limit, you won't see significant savings in fuel or an increase in performance.
The proof lies within the data you provided. How long do you spend driving at 100kph+? At 100kph, from the graph you've posted, there's less than 3kW of power difference in the power required. The Civic isn't exactly a powerhouse, but it can spare 3kW.
That's all my point was.
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30-10-2008 06:49 PM
#2068
how does" ...drive away without having to reverse when the engine is cold" help FC??
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30-10-2008 06:57 PM
#2069
 Originally Posted by dannybubu
how does" ...drive away without having to reverse when the engine is cold" help FC??
If you reverse park, when you start the Car, you can drive it off immediately. Instead of wasting time reversing it while the engine is cold and burning the most fuel.
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30-10-2008 07:29 PM
#2070
 Originally Posted by Havocwreaker
As poor as his use of grammar is, my sentiments are similar to that of parraboi.
My course is Aerospace engineering, but I'm also doing a project with cars. Check out youtube with the search string 'formula sae'.
I made my comments off the back of some research i did specifically on undertrays and under car aerodynamic devices. Granted the application for a formula sae car is different to that of a road car, but the principles remain the same.
My point is just this. Unless you spend a lot of your time driving faster than the speed limit, you won't see significant savings in fuel or an increase in performance.
The proof lies within the data you provided. How long do you spend driving at 100kph+? At 100kph, from the graph you've posted, there's less than 3kW of power difference in the power required. The Civic isn't exactly a powerhouse, but it can spare 3kW.
That's all my point was.
UWA fsae > *
2012 BMW S1000rr - 184whp, 9.733s @ 148.27mph - Quick enough!
2006 Honda Civic - 101whp, 61s BBGL Short - When I need a bbt.
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30-10-2008 09:37 PM
#2071
 Originally Posted by happy
Reduce the drag factor: Remove roof racks and carriers when they’re not in use as well as unnecessary boot luggage and heavy accessories. Driving with the window open and using air conditioning increases drag and lowers fuel economy, so use the vent settings instead.
*****
Don't drive with window open, that's weird !
it's normal. when u open ur window while driving, the air will flow into your cabin and reducing cd, at the end will increase ur perf. needed and FC.
same principle with undertray. even some of us still thought, it's negligible, but around the world scientist (who isn't student anymore) proved it's exist
 Originally Posted by Havocwreaker
My point is just this. Unless you spend a lot of your time driving faster than the speed limit, you won't see significant savings in fuel or an increase in performance.
The proof lies within the data you provided. How long do you spend driving at 100kph+? At 100kph, from the graph you've posted, there's less than 3kW of power difference in the power required. The Civic isn't exactly a powerhouse, but it can spare 3kW.
That's all my point was.
looks mate, you the ones who dragged this issue to FC, but if you read my first post carefully, FC is NOT the main purpose. if FC can be decrease, it's just a bonus and also i said, it's effective at range 80-180 kmh.
 Originally Posted by dmx
1. the covers made the bottom more smooth hence reducing some moving air trap at the under carriage
2. the car is alittle more quite while driving fast
3. Fuel consp. improve
and the main purpose is to smoothen the airflow underneath, to reduce drag
this is a simple yet useful mod if you understand the physics about air drag.. but it is also a mod which you can't really feel anything but its benefit does exist in daily driving...
and you keep saying FC FC FC and FC all the time
also worth or not, it's depend on personal financial circumstances. If you think, it's not, that's ur problems, but for me, this is nothing.
and please don't say, undertray can't reduce drag. It been proved by scientist around the worldand they're not student anymore 
btw, you can keep your opinion as yours, same to me. no heart feeling 
lets we move on !!!!
just got my roof spoiler today, finally..
we ordered 8 pcs, 3 end up to Sing, 2 for Indonesia, 1 for malaysia buyer, and last 2 for Australia. this is the slimest roof spoiler on the market.

and the roof spoiler line/shape is continue from roof line
Last edited by dmx; 01-11-2008 at 07:31 PM.
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30-10-2008 10:32 PM
#2072
 Originally Posted by rk 86 wa
UWA fsae > * 
You guys have too much money. Period.
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31-10-2008 09:02 AM
#2073
DMX, you got the CF version of the roof spoiler?

Bye2 Honda... Hello Mazda family 
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31-10-2008 09:03 AM
#2074
 Originally Posted by rk 86 wa
UWA fsae > * 
RMIT fsae next
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31-10-2008 09:47 AM
#2075
 Originally Posted by Havocwreaker
As poor as his use of grammar is, my sentiments are similar to that of parraboi.
My course is Aerospace engineering, but I'm also doing a project with cars. Check out youtube with the search string 'formula sae'.
I made my comments off the back of some research i did specifically on undertrays and under car aerodynamic devices. Granted the application for a formula sae car is different to that of a road car, but the principles remain the same.
My point is just this. Unless you spend a lot of your time driving faster than the speed limit, you won't see significant savings in fuel or an increase in performance.
The proof lies within the data you provided. How long do you spend driving at 100kph+? At 100kph, from the graph you've posted, there's less than 3kW of power difference in the power required. The Civic isn't exactly a powerhouse, but it can spare 3kW.
That's all my point was.
oh yeah you are not only the areospace scientist, but also the primary school english teacher. genius
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31-10-2008 09:50 AM
#2076
Cmon guys... can we forget about this argument and move on with "Your mods to 2006-2007 fd civics"?

Bye2 Honda... Hello Mazda family 
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