R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric On-Road

Reply
 
Thread Tools Search this Thread
Old 01-03-2013, 10:08 AM   #3601
Tech Master
 
NutDriver's Avatar
 
Join Date: Nov 2012
Location: North Carolina
Posts: 1,941
Trader Rating: 14 (100%+)
Default

Just for clarification, the wheels pictured above will be made of plastic. At first, I thought that they were going to make them from steel. (what a bonehead I am).
__________________
"Racing makes heroin addiction look like a vague longing for something salty" - Peter Egan

USVTA member #111
NutDriver is offline   Reply With Quote
Old 01-03-2013, 11:45 AM   #3602
Tech Adept
 
DontChangeUSVTA's Avatar
 
Join Date: Sep 2012
Location: Las Colinas, TX
Posts: 102
Default

Quote:
Originally Posted by wwddww34 View Post
Quote:
Originally Posted by GeekSpeed View Post
Guys, quick question about tires and wheels for a 190mm tc.

I am looking at the HPI '70 Boss 302 body.
http://www.hpiracing.com/products/en/17546/

I can't figure out if I need 31mm tires in the back and 26mm in the front. I BELIEVE that is the case, but I am not sure. Also, if I run 26mm in front, what wheels do I use. I thought I would need 6mm offset, but it does not appear that 26mm 6mm offset wheels are available.

What wheel/tire package should I use?
Hello GeekSpeed,

First of all don't worry about adding any offset to the front wheels. All of the HPI VTA bodies (including the Boss 302 Mustang) are designed to be used with 26mm wide 0mm offset front wheels and 31mm wide 6mm offset rear wheels.

The tires are very easy. For VTA racing you must use HPI #4793 Vintage Racing Tire 26mm D-Compound for the front pair and HPI #4797 Vintage Racing Tire 31mm D-Compound for the rear pair.

When it comes to VTA wheels (or rims) you have a variety of colors and styles to pick from. There are 14 styles of front rims and 14 rear rims.
You can get a quick idea of what all the different VTA wheels look like by going to this web page. They did a great job of listing all of the USVTA wheels on one page.
__________________
There is no need to change USVTA Rules. They are working great!
USVTA is why I started into this R/C hobby. I love it!
Spec-R R1 - HPI #17519 1966 Mustang GT - Novak Ballistic - HobbyWing Justock ESC
HPI Racing Vintage 8-Spoke Wheels and Tires - Team EAM 5000mah 70C Lipo Battery
DontChangeUSVTA is offline   Reply With Quote
Old 01-03-2013, 11:51 AM   #3603
Tech Adept
 
rcsuicide's Avatar
 
Join Date: Jan 2012
Posts: 208
Default

VTA is really starting to get popular in southern California. One of the biggest R/C Pro Shops in the Los Angeles area, TQ RC Racing, has made a page dedicated only to USVTA parts. Click on the pic below to take a look at their "VTA Shop"...


Last edited by rcsuicide; 01-03-2013 at 01:40 PM.
rcsuicide is offline   Reply With Quote
Old 01-03-2013, 05:24 PM   #3604
Suspended
 
rcpaintinpete's Avatar
 
Join Date: Feb 2004
Location: PALMBAY FLORIDA
Posts: 2,739
Trader Rating: 16 (100%+)
Default

What's up guys anything new in VTA land I have been away for a few weeks
With all this holiday crap lol just checking in
__________________
TEAM ARC USA --- TEAM POWERS USA ---- TEAM VALKARIA RC ----
rcpaintinpete is offline   Reply With Quote
Old 01-04-2013, 09:19 AM   #3605
Tech Elite
 
wwddww34's Avatar
 
Join Date: Feb 2011
Location: Dallas Texas
Posts: 2,555
Trader Rating: 9 (91%+)
Default

Welcome back Pete!

Are you going to race VTA at the Snowbirds this year? If you are then click on the green "I'm Going" button in the pick below.

__________________
https://www.facebook.com/groups/BananaRaceway/
wwddww34 is offline   Reply With Quote
Old 01-04-2013, 09:32 AM   #3606
Tech Adept
 
rcsuicide's Avatar
 
Join Date: Jan 2012
Posts: 208
Default

Quote:
Originally Posted by rcpaintinpete View Post
What's up guys anything new in VTA land I have been away for a few weeks
With all this holiday crap lol just checking in
Welcome back! The latest news is that VTA has gone Viral all over the country!
rcsuicide is offline   Reply With Quote
Old 01-04-2013, 09:40 AM   #3607
Tech Adept
 
DontChangeUSVTA's Avatar
 
Join Date: Sep 2012
Location: Las Colinas, TX
Posts: 102
Default

Speed Passion ESC's are still 10% off until Jan. 8.

__________________
There is no need to change USVTA Rules. They are working great!
USVTA is why I started into this R/C hobby. I love it!
Spec-R R1 - HPI #17519 1966 Mustang GT - Novak Ballistic - HobbyWing Justock ESC
HPI Racing Vintage 8-Spoke Wheels and Tires - Team EAM 5000mah 70C Lipo Battery

Last edited by DontChangeUSVTA; 01-04-2013 at 10:00 AM.
DontChangeUSVTA is offline   Reply With Quote
Old 01-04-2013, 01:39 PM   #3608
Tech Adept
 
Mundy1's Avatar
 
Join Date: Mar 2011
Location: Mid-Michigan
Posts: 245
Trader Rating: 50 (100%+)
Default

Sure wish I could use the Speed Passion 25.5 Motor.

$42.64 is a great price
__________________
TLR SCTE BCE H1,Hobbywing Xerun 150 SD , Hobbywing 4000KV
TLR 22SCT Speed Passion GT Pro Stock, Express Motorsport 13.5
TLR 8ight 2.0 BCE, Hobbywing Xerun 150 SD, Tekin T8 2050
TLR 22 Hobby Wing 3.1 Stock Sec, Express Motorsport 17.5
Mundy1 is offline   Reply With Quote
Old 01-04-2013, 03:07 PM   #3609
Tech Elite
 
wwddww34's Avatar
 
Join Date: Feb 2011
Location: Dallas Texas
Posts: 2,555
Trader Rating: 9 (91%+)
Default

Quote:
Originally Posted by Mundy1 View Post
Sure wish I could use the Speed Passion 25.5 Motor.

$42.64 is a great price
Somebody once said "be careful about what you wish for." I purchased a Cirtix Stock Club race + Ultra Sportsman 25.5T motor Combo. I put the combo in my VTA to test it and found out my car was going much slower than before. I gave the motor to my roommate who was able to test it with his SkyRC BMC-01 Brushless Motor Checker. His motor checker showed my S.P. 25.5 motor had about 1223 Kv. We tested a Novak Ballistic 25.5 motor in the BMC-01 Checker and it showed the Ballistic had about 1542 Kv. The Ballistic motor has +319 Kv advantage over the S.P. 25.5 motor.

Moral of this story ... You get what you pay for.
__________________
https://www.facebook.com/groups/BananaRaceway/
wwddww34 is offline   Reply With Quote
Old 01-04-2013, 03:29 PM   #3610
Tech Adept
 
DontChangeUSVTA's Avatar
 
Join Date: Sep 2012
Location: Las Colinas, TX
Posts: 102
Default

Quote:
Originally Posted by wwddww34 View Post
... His motor checker showed my S.P. 25.5 motor had about 1223 Kv. We tested a Novak Ballistic 25.5 motor in the BMC-01 Checker and it showed the Ballistic had about 1542 Kv. The Ballistic motor has +319 Kv advantage over the S.P. 25.5 motor.

Moral of this story ... You get what you pay for.
You touch on the reason why USVTA rules call out only 1 manufacturer of motors, Novak. If you ever compare two 25.5 turn brushless motors made by two different manufacturers, you will find that each motor has a different power output. Like in your example the Novak Ballistic 25.5 has approx. 1550 Kv while the Speed Passion 25.5 has approx. 1220 Kv. I also know that the Trinity D3 25.5 motor has approx. 1800 Kv. So you can imagine that if the USVTA motor list were to be open to any make 25.5 turn motor, the most competitive VTA drivers would eventually figure out which motor has the highest Kv output and drive up the demand for that motor. So in most cases, the higher the motor's Kv gets, the more money it costs you to buy one. It's the whole "supply and demand" thing.
__________________
There is no need to change USVTA Rules. They are working great!
USVTA is why I started into this R/C hobby. I love it!
Spec-R R1 - HPI #17519 1966 Mustang GT - Novak Ballistic - HobbyWing Justock ESC
HPI Racing Vintage 8-Spoke Wheels and Tires - Team EAM 5000mah 70C Lipo Battery
DontChangeUSVTA is offline   Reply With Quote
Old 01-04-2013, 05:17 PM   #3611
Tech Elite
 
mkiiina's Avatar
 
Join Date: Jul 2007
Location: Frisco TX
Posts: 2,316
Trader Rating: 69 (100%+)
Default

Quote:
Originally Posted by DontChangeUSVTA View Post
You touch on the reason why USVTA rules call out only 1 manufacturer of motors, Novak. If you ever compare two 25.5 turn brushless motors made by two different manufacturers, you will find that each motor has a different power output. Like in your example the Novak Ballistic 25.5 has approx. 1550 Kv while the Speed Passion 25.5 has approx. 1220 Kv. I also know that the Trinity D3 25.5 motor has approx. 1800 Kv. So you can imagine that if the USVTA motor list were to be open to any make 25.5 turn motor, the most competitive VTA drivers would eventually figure out which motor has the highest Kv output and drive up the demand for that motor. So in most cases, the higher the motor's Kv gets, the more money it costs you to buy one. It's the whole "supply and demand" thing.
I agree with you up until that last part about supply and demand being tied to KV. Look at the the D3, the Tekin Gen2's, RevTech's etc etc in 17.5 and generally all other motors in the same league. They are are $89 for any KV.

That said, 1 motor does make things easy!
mkiiina is offline   Reply With Quote
Old 01-04-2013, 05:34 PM   #3612
Tech Elite
 
Join Date: Dec 2004
Location: Marietta, Ga
Posts: 2,087
Trader Rating: 57 (100%+)
Default

When MFG's release these Kv numbers what timing are going by? Does a D3.5 make 1800 Kv at 0 degrees or 45 degrees or both? Are these motor ratings about the same as the C ratings on some of these batteries?
PROMODVETTE is offline   Reply With Quote
Old 01-04-2013, 05:38 PM   #3613
Tech Regular
 
Join Date: Aug 2009
Location: Northern Virginia, USA
Posts: 499
Default

Quote:
Originally Posted by DontChangeUSVTA View Post
You touch on the reason why USVTA rules call out only 1 manufacturer of motors, Novak. If you ever compare two 25.5 turn brushless motors made by two different manufacturers, you will find that each motor has a different power output. Like in your example the Novak Ballistic 25.5 has approx. 1550 Kv while the Speed Passion 25.5 has approx. 1220 Kv. I also know that the Trinity D3 25.5 motor has approx. 1800 Kv. So you can imagine that if the USVTA motor list were to be open to any make 25.5 turn motor, the most competitive VTA drivers would eventually figure out which motor has the highest Kv output and drive up the demand for that motor. So in most cases, the higher the motor's Kv gets, the more money it costs you to buy one. It's the whole "supply and demand" thing.
Kv isn't the whole picture, especially when you are comparing two motors with the same number of turns. Kv doesn't have anything to do with the amount of actual power the motor has. Power is what does work, not Kv. The most you can take away from solelythe differing Kv is that you will need to gear them differently. To make any other statement about them will require more information.
Stregone is offline   Reply With Quote
Old 01-04-2013, 09:37 PM   #3614
Tech Champion
 
DARKSIDE's Avatar
 
Join Date: Mar 2008
Location: Nashville-Memphis
Posts: 7,641
Trader Rating: 2 (100%+)
Default Thunder Jam V

Thunder Jam V (Grand Slam Series)
Jan 19-20th
Thunder RC Raceway
Nashville,TN

This is the 5th year for the Thunder Jam On-road Championships. We have been invited to join the Midwest Grand Slam Series this year. The Thunder Jam has always been Southeast premier on-road event. Now with the history of the MWGS, the event will continue to grow and be better than ever.

USVTA Classes:
VTA and GT

ROAR Classes:
12th scale pancar and Touring Car(TC)
17.5
13.5
mod

Top 3 and TQ payback

Entry:
$35
$25

Limited to 80 bodies

5pm to 10pm Friday practice by classes

5-15 minute blocks of similar cars

Saturday

Class practice 8am till 10:30am practice

11am 3 rounds resort after 2

Sunday

practice 8am till 9:30am

resort for LCQ 10am

mains 30 minutes after last heat.
Attached Thumbnails
U.S. Vintage Trans-Am Racing Part 2-2011-race-068.jpg   U.S. Vintage Trans-Am Racing Part 2-img_3001ahm.jpg   U.S. Vintage Trans-Am Racing Part 2-normal_dsc_0008.jpg   U.S. Vintage Trans-Am Racing Part 2-pics-computer-2-535.jpg   U.S. Vintage Trans-Am Racing Part 2-thunder-jam-2009-006.jpg  

__________________
Myron "BATTMAN" Kinnard
Team Associated/Reedy Powered/PROTOform/RockStar Paint, LLC
THUNDER JAM IX Snowbirds Warm-up
January 2017
Thunder RC Raceway
DARKSIDE is online now   Reply With Quote
Old 01-04-2013, 10:14 PM   #3615
Tech Champion
 
Kevin K's Avatar
 
Join Date: Aug 2001
Location: In a land of mini-mighty mental giants
Posts: 8,753
Trader Rating: 32 (100%+)
Send a message via AIM to Kevin K Send a message via Yahoo to Kevin K
Default

Quote:
Originally Posted by wwddww34 View Post
Somebody once said "be careful about what you wish for." I purchased a Cirtix Stock Club race + Ultra Sportsman 25.5T motor Combo. I put the combo in my VTA to test it and found out my car was going much slower than before. I gave the motor to my roommate who was able to test it with his SkyRC BMC-01 Brushless Motor Checker. His motor checker showed my S.P. 25.5 motor had about 1223 Kv. We tested a Novak Ballistic 25.5 motor in the BMC-01 Checker and it showed the Ballistic had about 1542 Kv. The Ballistic motor has +319 Kv advantage over the S.P. 25.5 motor.

Moral of this story ... You get what you pay for.
Just asking did you adjust the timing on the SP motor before you ran it on the machine? Ultra Sportsman motors do have adjustable timing but its not marked on the can like the Novak motor. So if you didnt adjust the timing and just ran it against a turned up Novak its not shocking thats what you saw with your results. If you still have the SP motor turn up the timing on it and see what it does just to see I would be interested in knowing.
__________________
2013 USVTA World Champion of the World
MOTIV RC presents the Midwest All-Star Carpet Series....14th year running 2016/17!!!
USVTA National Championship....check it out!!!
Im only responsible for what I say NOT what you understand.
Kevin K is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
U.S. Vintage Trans-Am [PICS & PAINT Discussion ONLY!!!] speedsterblade Electric On-Road 5821 11-21-2016 11:39 AM
TeamNovak (U.S Vintage Trans-Am) NovakTwo Electric On-Road 329 12-07-2013 08:48 PM
U.S. Vintage Trans-Am Racing squarehead Electric On-Road 14187 03-21-2012 02:43 PM
U.S. Vintage Trans Am Nationals: April 12th, 2008 squarehead Wisconsin & Illinois Racing 308 05-14-2008 08:56 AM



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

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



All times are GMT -7. It is currently 02:54 PM.


Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net

SEO by vBSEO 3.5.0