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[Datsun 1200 encyclopedia]

Anti-Tramp

(Difference between revisions)

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Category: Rear Axle And Rear Suspension

Revision as of 02:47, 7 May 2009
ddgonzal (Talk | contribs)

<- Previous diff
Current revision
ddgonzal (Talk | contribs)

Line 1: Line 1:
-Rear suspension tends to 'tramp', hop up and down, when large amounts of torque are applied. If you have a more powerful than stock engine, to counteract this, you can fit anti-tramp rods.+Rear suspension tends to 'tramp' (hop up and down) when large amounts of torque are applied. If you have an engine more powerful than stock, to minimize tramp you can fit '''anti-tramp rods''' a.k.a. '''Traction Bars'''.
 += Overview =
 +The traction bar stops the wind-up of the spring.
-The Datsun Competition setup is for a dedicated track car:+{{Photo!|TM2.jpg}}
-[http://datsun1200.com/modules/myalbum/photo.php?lid=15793 http://datsun1200.com/uploads/thumbs/15793.jpg]+
 +Custom anti-tramp springs developed and made by John Taylor at Pedders Penrith
 +<br>{{Album|3643}}
 +
 += Datsun Competition =
 +The Datsun Comp setup is for a dedicated track car.
 +
 + See [[Datsun_1200_Competition_Suspension_Manual#Rear_Suspension_Modifications|Datsun 1200 Competition Suspension Manual]]
 +
 +{{Album!|15793}}
 +
 += Slapper Bars =
 +The famous Lakewood traction bar:
 +<br>{{Photo!|SlapperBars.jpg}} {{Album|2831}}
The traditional street/track setup is like this: The traditional street/track setup is like this:
-[http://datsun1200.com/modules/myalbum/photo.php?lid=19282 http://datsun1200.com/uploads/thumbs/19282.jpg]+<br>{{Album|19282}} {{Album|14587}}
-<br>Street/Dragstrip Setup+<br>'Slapper Bar' Street/Dragstrip Setup
-This is like the other photos, except the front is not solidly mounted to the chassis. It doesn't interfere with normal suspension unless wind-up occurs. Plus it has a little "play" so that it bites down to help traction. + 
 +Slapper Bars are like the Caltracs & Datsun Comp setup, except the front is not solidly mounted to the chassis. It doesn't interfere with normal suspension unless wind-up occurs. Plus it has a little "play" so that it hits, it slaps, bites down to help traction.
 + 
 +Not difficult to make yourself: 1-3/4" square tubing, Hyundai H100 tray stops. Custom U-Clamps. Double nuts or locknuts on all u-clamps for extra security. These had a big difference at the rear when launching and take off!
 +<br>{{Album|26616}} {{Album|26618}} {{Album|26617}}
 + 
 += Anti-Tramp Bars =
 +This commercially designed anti-tramp system is similar to the Datsun Comp design.
 + 
 +{{UploadPost|1333_56ea49df25925.jpg|477320}} {{UploadPost|1333_56ea49f6a5cbf.jpg|477320}} {{UploadPost|1333_56ea4a5f99847.jpg|477320}} {{UploadPost|1333_56ea4a8c33a87.jpg|477320}} {{UploadPost|1333_56ea4aa8e04da.jpg|477320}}
 + 
 += CalTracs =
 +CalTracs are the most innovative traction bar units today, often imitated, but never duplicated. Calvert Racing manufactures and distributes the world famous Caltracs traction bars.
 + 
 +http://www.calvertracing.com/caltracs.html
 + 
 +{{Photo!|41.jpg}} {{Thumb|7529}} {{Thumb|7528}} {{Thumb|15917}} {{Thumb|15918}}
 + 
 +{{UploadPost|14864_535745141ee52.jpg|454383}}
 + 
 += rally1200 =
 +{{Album|11193}} {{Thumb|11193}} {{Thumb|11196}}
 + 
 += kaluladotgroen =
 +{{Thumb|15782}} {{Thumb|16183}} {{Thumb|16184}}
= Photo Index = = Photo Index =
-[http://datsun1200.com/modules/myalbum/photo.php?lid=3230 http://datsun1200.com/modules/myalbum/photos/thumbs/3230.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=3645 http://datsun1200.com/modules/myalbum/photos/thumbs/3645.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=10816 http://datsun1200.com/modules/myalbum/photos/thumbs/10816.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=10862 http://datsun1200.com/modules/myalbum/photos/thumbs/10862.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=10863 http://datsun1200.com/modules/myalbum/photos/thumbs/10863.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=10864 http://datsun1200.com/modules/myalbum/photos/thumbs/10864.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=10865 http://datsun1200.com/modules/myalbum/photos/thumbs/10865.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=11193 http://datsun1200.com/modules/myalbum/photos/thumbs/11193.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=11196 http://datsun1200.com/modules/myalbum/photos/thumbs/11196.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=11199 http://datsun1200.com/modules/myalbum/photos/thumbs/11199.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=13719 http://datsun1200.com/modules/myalbum/photos/thumbs/13719.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15667 http://datsun1200.com/modules/myalbum/photos/thumbs/15667.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15668 http://datsun1200.com/modules/myalbum/photos/thumbs/15668.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=17358 http://datsun1200.com/modules/myalbum/photos/thumbs/17358.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=17406 http://datsun1200.com/modules/myalbum/photos/thumbs/17406.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=17407 http://datsun1200.com/modules/myalbum/photos/thumbs/17407.jpg]+{{Thumb|3230}} {{Thumb|3645}} {{Thumb|10816}} {{Thumb|10862}} {{Thumb|10863}} {{Thumb|10864}} {{Thumb|10865}} {{Thumb|11193}} {{Thumb|11196}} {{Thumb|11199}} {{Thumb|13719}} {{Thumb|15667}} {{Thumb|15668}} {{Thumb|17358}} {{Thumb|17406}} {{Thumb|17407}}
 + 
 +[[Category:Rear Axle And Rear Suspension]]{{End}}

Current revision

Rear suspension tends to 'tramp' (hop up and down) when large amounts of torque are applied. If you have an engine more powerful than stock, to minimize tramp you can fit anti-tramp rods a.k.a. Traction Bars.

Contents

Overview

The traction bar stops the wind-up of the spring.

TM2.jpg

Custom anti-tramp springs developed and made by John Taylor at Pedders Penrith
3643.jpgAlbum 3643

Datsun Competition

The Datsun Comp setup is for a dedicated track car.

See Datsun 1200 Competition Suspension Manual

15793.jpg

Slapper Bars

The famous Lakewood traction bar:
SlapperBars.jpg 2831.jpgAlbum 2831

The traditional street/track setup is like this:
19282.jpgAlbum 19282 14587.jpgAlbum 14587
'Slapper Bar' Street/Dragstrip Setup

Slapper Bars are like the Caltracs & Datsun Comp setup, except the front is not solidly mounted to the chassis. It doesn't interfere with normal suspension unless wind-up occurs. Plus it has a little "play" so that it hits, it slaps, bites down to help traction.

Not difficult to make yourself: 1-3/4" square tubing, Hyundai H100 tray stops. Custom U-Clamps. Double nuts or locknuts on all u-clamps for extra security. These had a big difference at the rear when launching and take off!
26616.jpgAlbum 26616 26618.jpgAlbum 26618 26617.jpgAlbum 26617

Anti-Tramp Bars

This commercially designed anti-tramp system is similar to the Datsun Comp design.

1333_56ea49df25925.jpgPost 477320 1333_56ea49f6a5cbf.jpgPost 477320 1333_56ea4a5f99847.jpgPost 477320 1333_56ea4a8c33a87.jpgPost 477320 1333_56ea4aa8e04da.jpgPost 477320

CalTracs

CalTracs are the most innovative traction bar units today, often imitated, but never duplicated. Calvert Racing manufactures and distributes the world famous Caltracs traction bars.

http://www.calvertracing.com/caltracs.html

41.jpg 7529.jpgAlbum click to view 7528.jpgAlbum click to view 15917.jpgAlbum click to view 15918.jpgAlbum click to view

14864_535745141ee52.jpgPost 454383

rally1200

11193.jpgAlbum 11193 11193.jpgAlbum click to view 11196.jpgAlbum click to view

kaluladotgroen

15782.jpgAlbum click to view 16183.jpgAlbum click to view 16184.jpgAlbum click to view

Photo Index

3230.jpgAlbum click to view 3645.jpgAlbum click to view 10816.jpgAlbum click to view 10862.jpgAlbum click to view 10863.jpgAlbum click to view 10864.jpgAlbum click to view 10865.jpgAlbum click to view 11193.jpgAlbum click to view 11196.jpgAlbum click to view 11199.jpgAlbum click to view 13719.jpgAlbum click to view 15667.jpgAlbum click to view 15668.jpgAlbum click to view 17358.jpgAlbum click to view 17406.jpgAlbum click to view 17407.jpgAlbum click to view 

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