Go Back  R/C Tech Forums > General Forums > Electric Off-Road
Best 17.5 brushless motor for off road? >

Best 17.5 brushless motor for off road?

Best 17.5 brushless motor for off road?

Reply

Old 11-20-2008, 11:39 PM
  #31  
Tech Regular
Thread Starter
iTrader: (8)
 
Join Date: Dec 2003
Location: Milwaukee
Posts: 331
Trader Rating: 8 (100%+)
Default

Well Im going to try a 6.6 final and may just purchase a Trinity Duo in the meantime to see if its just the motor.
dennyboy424 is offline  
Reply With Quote
Old 11-21-2008, 08:15 AM
  #32  
Tech Master
iTrader: (113)
 
AaronR's Avatar
 
Join Date: May 2006
Location: Slinger, Wisconsin
Posts: 1,614
Trader Rating: 113 (100%+)
Default

denny, for what it's worth, David St. Peter won last night in stock truck with a Speed Passion. Trinitys and Orions are good stuff too though!
AaronR is offline  
Reply With Quote
Old 11-21-2008, 10:25 AM
  #33  
Tech Fanatic
iTrader: (30)
 
tdeal823's Avatar
 
Join Date: Feb 2007
Location: North West, Ohio
Posts: 951
Trader Rating: 30 (100%+)
Default

Anyone running at Tekin 17.5? What do you think?
tdeal823 is offline  
Reply With Quote
Old 11-21-2008, 11:18 AM
  #34  
Tech Regular
iTrader: (5)
 
scrubnick's Avatar
 
Join Date: Nov 2001
Location: AJ, AZ
Posts: 323
Trader Rating: 5 (100%+)
Default

FWIW, I'm running a SpeedPassion 17.5 in my X-6 (B4 internal ratio, 2.6ish) and I'm running a FDR of 5.0, which is a 66 and a 34. The motor's about 110 after a 5 minute race. I think it could use some more gear. Go up, up, up!
scrubnick is offline  
Reply With Quote
Old 12-11-2008, 02:46 AM
  #35  
Tech Master
iTrader: (18)
 
dirtdustingdavo's Avatar
 
Join Date: Sep 2005
Location: The Apocalypse suburb of Robina
Posts: 1,738
Trader Rating: 18 (100%+)
Default

How do I work out my FDR?, using speed passion in a T4.
dirtdustingdavo is offline  
Reply With Quote
Old 12-11-2008, 04:45 AM
  #36  
Tech Fanatic
iTrader: (2)
 
jmcvicker's Avatar
 
Join Date: Jan 2008
Location: SE Pennsylvania
Posts: 814
Trader Rating: 2 (100%+)
Default

(78/29) * 2.6 = FDR

So, 78 spur, 29 pinion * 2.6 = 6.99

2.6 is the transmission ratio.

T4 has bigger tires than B4 - so buggy guys need a lower FDR for the same top-speed.
jmcvicker is offline  
Reply With Quote
Old 12-13-2008, 11:52 PM
  #37  
Tech Elite
iTrader: (25)
 
NOFX's Avatar
 
Join Date: Oct 2002
Location: Sydney
Posts: 4,385
Trader Rating: 25 (100%+)
Default

The losi 17.5 is a bit under the radar, but it is a seriously good motor, don't forget to put it on your list, also yeah theres some confusion with FDR's in here, fdr doesnt take into account the rolling diameter of the tyre, so trucks / buggies/ touring cars are hard to compare unless the diameter is known but in my truck with the losi motor i run fdr of 6.18 which works very well
NOFX is offline  
Reply With Quote
Old 12-13-2008, 11:59 PM
  #38  
Tech Master
iTrader: (74)
 
ehames005's Avatar
 
Join Date: Nov 2008
Location: Phoenix, Az
Posts: 1,614
Trader Rating: 74 (100%+)
Default

Another one to look at is the Fantom Ion motor. From all reports it is a awsome motor. It is a sensored motor and can be run with the sensor or without.
ehames005 is offline  
Reply With Quote
Old 12-14-2008, 01:41 AM
  #39  
Tech Master
iTrader: (18)
 
dirtdustingdavo's Avatar
 
Join Date: Sep 2005
Location: The Apocalypse suburb of Robina
Posts: 1,738
Trader Rating: 18 (100%+)
Default

Originally Posted by NOFX View Post
The losi 17.5 is a bit under the radar, but it is a seriously good motor, don't forget to put it on your list, also yeah theres some confusion with FDR's in here, fdr doesnt take into account the rolling diameter of the tyre, so trucks / buggies/ touring cars are hard to compare unless the diameter is known but in my truck with the losi motor i run fdr of 6.18 which works very well

So maybe I should just look at roll out?
dirtdustingdavo is offline  
Reply With Quote
Old 12-14-2008, 01:45 AM
  #40  
Tech Elite
iTrader: (25)
 
NOFX's Avatar
 
Join Date: Oct 2002
Location: Sydney
Posts: 4,385
Trader Rating: 25 (100%+)
Default

Originally Posted by dirtdustingdavo View Post
So maybe I should just look at roll out?
yes, if u can measure the tyre diameters of the different vehicles and take into account tyre expansion on the big truck tyres etc, the easier thing to do is just compare apples to apples, so if you're looking for a truck ratio, just look at what other trucks are running
NOFX is offline  
Reply With Quote
Old 12-14-2008, 02:54 AM
  #41  
Tech Regular
iTrader: (5)
 
lookiezx-5's Avatar
 
Join Date: Sep 2008
Posts: 408
Trader Rating: 5 (100%+)
Default

Originally Posted by Emlyn View Post
what car mate?
Sorry for the late reply, i am running the novak 17.5/gtb combo in a zx-5 and a b4 and both are rockets. Currently the zx-5 in geared @ 5.0 and the b4 @ 4.9!
lookiezx-5 is offline  
Reply With Quote
Old 12-14-2008, 10:39 AM
  #42  
Tech Regular
Thread Starter
iTrader: (8)
 
Join Date: Dec 2003
Location: Milwaukee
Posts: 331
Trader Rating: 8 (100%+)
Default

Im running the Trinity Duo now and couldn't be more impressed.
dennyboy424 is offline  
Reply With Quote
Old 12-15-2008, 04:01 AM
  #43  
Tech Master
iTrader: (18)
 
dirtdustingdavo's Avatar
 
Join Date: Sep 2005
Location: The Apocalypse suburb of Robina
Posts: 1,738
Trader Rating: 18 (100%+)
Default

.

Last edited by dirtdustingdavo; 12-24-2008 at 05:17 PM.
dirtdustingdavo is offline  
Reply With Quote
Old 01-15-2009, 10:12 AM
  #44  
Tech Fanatic
iTrader: (30)
 
tdeal823's Avatar
 
Join Date: Feb 2007
Location: North West, Ohio
Posts: 951
Trader Rating: 30 (100%+)
Default

Originally Posted by tdeal823 View Post
Anyone running at Tekin 17.5? What do you think?
Just thought I would ask again.
tdeal823 is offline  
Reply With Quote
Old 01-15-2009, 09:02 PM
  #45  
Tech Elite
iTrader: (70)
 
Join Date: Oct 2001
Location: Dallas,Tx
Posts: 3,666
Trader Rating: 70 (100%+)
Default

Tdeal823- I have ran 4 different 17.5's including the Tekin. I actually love the Tekin's powerband and it has plenty of power.
The can design seems to really work too. Temps are usually a lil lower with the same gearing.
Great Rip,and Rpm.

Hope this info helps.
TexRacer is offline  
Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off


Thread Tools
Search this Thread

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service