Go Back   EcoModder Forum > EcoModding > Motorcycles / Scooters
Register Now
 Register Now
 

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 07-24-2013, 10:19 AM   #1 (permalink)
Master EcoModder
 
Join Date: Sep 2008
Location: Fort Worth, Texas
Posts: 356

Silver Turtle - '02 Ford Focus Zx3
90 day: 38.83 mpg (US)
Thanks: 4
Thanked 2 Times in 2 Posts
Question Lift Front End of Motorcycle - Good or Bad for MPG?!

Hey guys, so I HAVE to lift the front end of my motorcycle via some 2" fork extenders. This is to have slightly more ground clearance on the front skid plate, and to 'relax' the riding position a bit since I do very large distances.

Do you think I am going to get better 'aero' and actually bump up my MPG's?

My thoughts are that my whole body will become more of a teardrop shape by tilting i back about 1/2", and so the 2" lift of the front will actually help the rear profile of my bike (with me on it of course).

  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 07-24-2013, 10:35 AM   #2 (permalink)
Master EcoModder
 
mikeyjd's Avatar
 
Join Date: Mar 2013
Location: Grand Rapids, MI
Posts: 838

Matchbox - '93 Ford Festiva L
Team Ford
Last 3: 70.16 mpg (US)

Salamander - '99 Chrysler Concorde LXI
Team Dodge
90 day: 30.3 mpg (US)

Urquhart - '97 Toyota Tacoma 4x4 V6 3.4L DLX
Pickups
90 day: 25.81 mpg (US)

Smudge - '98 Toyota Tacoma
90 day: 40.65 mpg (US)

Calebro - '15 Renault Trafic 1.25 dci
90 day: 39.39 mpg (US)
Thanks: 1,380
Thanked 209 Times in 155 Posts
The way you sit will probably be the answer. I'd need pics to give a better guess.
  Reply With Quote
Old 07-24-2013, 11:06 AM   #3 (permalink)
Master EcoModder
 
Join Date: Jul 2011
Location: WI
Posts: 473
Thanks: 157
Thanked 77 Times in 55 Posts
I would think it would increase your drag by raising the front. Lowering the front would give an improvement I would expect.

Not sure you would notice any significant improvement or penalty either way unless the change was really significant.
  Reply With Quote
Old 07-25-2013, 12:19 PM   #4 (permalink)
Master EcoModder
 
NeilBlanchard's Avatar
 
Join Date: May 2008
Location: Maynard, MA Eaarth
Posts: 7,908

Mica Blue - '05 Scion xA RS 2.0
Team Toyota
90 day: 42.48 mpg (US)

Forest - '15 Nissan Leaf S
Team Nissan
90 day: 156.46 mpg (US)

Number 7 - '15 VW e-Golf SEL
TEAM VW AUDI Group
90 day: 155.81 mpg (US)
Thanks: 3,475
Thanked 2,952 Times in 1,845 Posts
Net lift or downforce or side force are all bad for drag.
__________________
Sincerely, Neil

http://neilblanchard.blogspot.com/
  Reply With Quote
Old 07-25-2013, 05:18 PM   #5 (permalink)
Master EcoModder
 
Join Date: Feb 2009
Location: France - Paris
Posts: 762

la_voiture_de_courses - '03 Renault Megane Estate
OldContinents
90 day: 44.34 mpg (US)

xiao lan - '01 Audi A2
90 day: 38.88 mpg (US)

Brit iron - '92 Mini Mini
90 day: 45.5 mpg (US)

Prius - '09 Toyota PRIUS Lounge
90 day: 47.37 mpg (US)

Beemer - '06 BMW F800 ST
90 day: 53.06 mpg (US)
Thanks: 188
Thanked 33 Times in 30 Posts
A relaxed position could help you lower your speed => that's your best bet for FE gains I am affraid ...

Could also reduce the drag of the fins if it is an air cooled engine ...

__________________
  Reply With Quote
Reply  Post New Thread






Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com