tjet spinning brushes - HobbyTalk
  
HobbyTalk Forum for Diecast Collectors, Modelers, Slot Cars, & Radio Control
Home Forums Photo Album RC TrackFinder Catalog Donation/HobbyTalk Supporter

Welcome to the HobbyTalk forums.

You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, view attachments, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!

If you have any problems with the registration process or your account login, please contact contact us. Forgotten your password? Click here!

NOTE: Once you register and are logged in this welcome section will no longer be visible.

Go Back   HobbyTalk > Slot Cars > Slot Car Tuning Tips
Register Classifieds Help/TOS Members List Calendar Mark Forums Read

Reply
 
Thread Tools
  #1  
Old 01-20-2010, 10:41 PM
joegri joegri is offline
Elder Statesman

My Photos
 
Join Date: Feb 2008
Location: Narragansett, RI
Posts: 1,715
tjet spinning brushes

hey fellas i just started using a 9 volt battery to stare at the lil motors and saw that on some or most the brush will spin. some fast some not so fast.my question is should i bend the end of the tounge up so so it catches the the slot that i carved in the wizzard brush? or make a sharp crease in the tounge forming a catch for the brush. i just dont what to mess up a tuffy.i likem too much to deflower a virgin.i also realize that i need to increase tongue pressure to get more hp but the spinning thing i,m not so sure i like it.also let me say the 9 volt battery has opened my eyes to these lil cars.thanx for reading this it,s probably asked before too.
Reply With Quote
  #2  
Old 01-20-2010, 11:55 PM
tjetsgrig's Avatar
tjetsgrig tjetsgrig is offline
Lifetime Member

My Photos
 
Join Date: Nov 2009
Location: Lansdale, Pa.
Posts: 802
There has been much debate on this topic. I like mine to spin. My timing system doesn't lie. I've notched the brushes so they won't spin, then ran with the brushes spinning. I've always gotten better e.t.'s out of a spinning brush car. I find that the brushes wear more evenly ( they don't cock over in the hole ) and the comm seems to like it better. These are just my observations during R&D. Others will disagree!!
Reply With Quote
  #3  
Old 01-21-2010, 12:13 AM
joegri joegri is offline
Elder Statesman

My Photos
 
Join Date: Feb 2008
Location: Narragansett, RI
Posts: 1,715
thanx for that grig.i can see where the wearing would be even by spinning.hoping i didnt poke a beehive . think maybe i,ll adjust the tongue pressure accordingly and hope for the best(like a cool running tuffy).the tuning section on ht is my fav for the last few days. always good info/input!!
Reply With Quote
  #4  
Old 01-21-2010, 12:44 AM
SwamperGene's Avatar
SwamperGene SwamperGene is offline
Elder Statesman

My Photos
 
Join Date: Nov 2003
Location: Lehigh Valley PA
Posts: 1,348
Quote:
Originally Posted by tjetsgrig View Post
There has been much debate on this topic. I like mine to spin. My timing system doesn't lie. I've notched the brushes so they won't spin, then ran with the brushes spinning. I've always gotten better e.t.'s out of a spinning brush car. I find that the brushes wear more evenly ( they don't cock over in the hole ) and the comm seems to like it better. These are just my observations during R&D. Others will disagree!!
I agree, I think it's mostly because when you notch the brushes you are losing precious contact area...take a Radio Shack or similar pocket microscope and magnify a scored line - it looks like the rocky walls of the Grand Canyon, the brush spring is only gonna touch the peaks. If you start with good flat faces on both sides, spinning isn't going to hurt anything.
Reply With Quote
  #5  
Old 01-21-2010, 12:47 PM
ParkRNDL's Avatar
ParkRNDL ParkRNDL is offline
Top Dog

My Photos
 
Join Date: Mar 2002
Location: Southern Central Pennsylvania
Posts: 6,287
Careful with the pressure! On stock tjets, you want as much pressure as possible, but did you mention that this is an original tuffy? I have found that they do NOT respond well to too much pressure. The brush springs on a tuffy are already stiffer because they are silver plated. Too much pressure actually slowed mine down and made them run hotter...

--rick
Reply With Quote
  #6  
Old 01-21-2010, 05:02 PM
WooffWooff WooffWooff is offline
Member

My Photos
 
Join Date: Dec 2009
Location: Alabam
Posts: 90
Right-on about the stiffer brush springs on TO's. Totally different animal than the solid coppers.
Reply With Quote
  #7  
Old 01-21-2010, 07:07 PM
Grandcheapskate Grandcheapskate is offline
HobbyTalk Pro

My Photos
 
Join Date: Jan 2006
Posts: 2,406
Quote:
Originally Posted by ParkRNDL View Post
On stock tjets, you want as much pressure as possible...
I haven't found this to be true. Adjusting brush tension, from the little I've done, seems to be a balancing act between too much and too little pressure. Too much and the car runs tight and hot. Too little and you don't get good electrical flow.

I remember the good old days on the DL when the subject of spinning brushes came up. Guys were pulling out physics books to prove their point. It was quite a show. I don't think either side of the argument ever gave in.

Joe
Reply With Quote
  #8  
Old 01-21-2010, 08:13 PM
joegri joegri is offline
Elder Statesman

My Photos
 
Join Date: Feb 2008
Location: Narragansett, RI
Posts: 1,715
thanx for comming back with your experience fellas. i went with some wizzard hockey puck type brushes and with adjustment to relieve some of the pressure i was able to get this tuffy to excelerate nicely with a nice coasting attitude.but what means the most to me is to have this bad boy running cool as the other side of the pillow!! now i just gotta deciede on a body. just got a 67 chevelle blk(modelmotoring type)its gonna need some serious choppin to make it look respectable to me.its back to the bench for a carving session tonite.
Reply With Quote
  #9  
Old 01-22-2010, 12:29 AM
tjetsgrig's Avatar
tjetsgrig tjetsgrig is offline
Lifetime Member

My Photos
 
Join Date: Nov 2009
Location: Lansdale, Pa.
Posts: 802
Quote:
Originally Posted by Grandcheapskate View Post
Guys were pulling out physics books to prove their point. It was quite a show. I don't think either side of the argument ever gave in.

Joe
I don't need any physics books to know how to set my brushes up, my timing system told me everything I needed to know!

You're right Joe, I was witness to quite a few of those debates! It was very entertaining, to say the least!!

Jim Sgrig
Reply With Quote
  #10  
Old 01-23-2010, 06:58 PM
AfxToo AfxToo is offline
HobbyTalk Pro

My Photos
 
Join Date: Aug 2003
Posts: 4,512
Quote:
my timing system told me everything I needed to know!
Hallelujah! Better words were never written. If my podium placement percentage was as simple as making the right choice between spinning brushes versus non spinning brushes I'd be one happy racer!

The first thing I'd do with an original Tuff One would be to put in JL or Dash magnets and JBs or Wizzard copper compound brushes. I've never met a silver TJet brush I liked for anything other than drag racing. I even prefer the JL domed copper brushes to the domed silver Aurora ones.
Reply With Quote
  #11  
Old 02-07-2010, 04:05 PM
BrentCorvette's Avatar
BrentCorvette BrentCorvette is offline
Member

My Photos
 
Join Date: Jun 2008
Location: Daves HO Raceway
Posts: 16
Just bend the toungue a little bit at a time until you get the brush tension just right.
I personally dont think it makes a difference if the brushes don't spin, as long as they aren't hung up they should be fine.
Reply With Quote
  #12  
Old 02-10-2010, 09:08 PM
slotnewbie69's Avatar
slotnewbie69 slotnewbie69 is offline
Elder Statesman

My Photos
 
Join Date: Dec 2008
Location: victoria bc canada
Posts: 1,652
i use notched and bevelled brushes. but i don't compete,so i can tune as i like.i don't think most clubs would allow them.i have heard of putting an x in the brush,to prevent it from spinning,as the guy who posted the technique thought spinning brushes were slower.
Reply With Quote
  #13  
Old 02-10-2010, 10:58 PM
LDThomas LDThomas is offline
Member

My Photos
 
Join Date: Nov 1999
Location: Beatrice, Nebraska, USA
Posts: 476
Spinning brushes: They are best for road racing when not spinning. But it takes a good break-in period to get them to their maximum performance. For top flight drag racing, you don't have time to break them in so a spinning brush is better than a non broken-in stationary brush. IMHO...
Reply With Quote

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

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

Forum Jump


Featured Sponsor

You Can Sponsor
A HobbyTalk Forum


HobbyTalk® Sponsors
Diecast
CScollectibles
Collectables Corner
DieCast Alley
Global Diecast Direct
Milezone
Mini-Motors Inc
Scoomer
The Toy Peddler
Toy Car Aution
Models
MegaHobby
Modeler’s Brand
ParaGrafix Modeling Systems
Radio Control
BeachRC.com
B-Fast RC
Dirt Cheap RC
Discount RC Tires
Irrgang Racing Service
Lefthander RC
MaxAmps.com
RCTV Live
SMC Racing
Speedzone
Thunder Racing
Tekin
Trend Times
TQ Racing
Windtunnel Racing
Slot Cars
AFX Racing
Scoomer
Slot Magazine
Sponsored Events

Become a
HobbyTalk® Supporter

Advertise on HobbyTalk®



Powered by vBulletin®
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
All times are GMT -4. The time now is 11:06 AM.
HobbyTalk® is a Registered Trademark of HobbyTalk Ltd.
All other logos and trademarks on this site are property of their respective owner.
Copyright (c) 1997-2012 HobbyTalk Ltd. No use without permission.
Advertising positioning by Digital Point