Bicycle trailers
Practical Action
The component parts to the frame design are listed in table 1
Part No Description
1 Round Tube
2 Square Tube
3 Square Tube
4 Square Tube
5 Square Tube
6 Square Tube
7 ‘∟’ Angle
8 Rod
9 Wheel Mounting
10 Plank
11 Hitch (Male)
12 Round Tube
Table 1: Parts list for the bicycle trailer frame.
Qty Material
Semi Finished
Dimensions
1 Mild Steel ○ 19.05 x 2713
2 Mild Steel □ 19.05 x 914
5 Mild Steel □ 19.05 x 623
6 Mild Steel □ 19.05 x 382
4 Mild Steel □ 19.05 x 877
2 Mild Steel □ 19.05 x 445
6 Mild Steel ∟ 19.05 x 19.05 x 125
2 Mild Steel ● 09 x 240
4 Mild Steel ▬ 50.8 x 50.8 x 6.35
2 Wood
873 x 126 x 15
1 Mild Steel
1 Mild Steel ○ 19.05 x 560
Steel or rubber
ball
Alternative frame constructions can
be used depending on materials
and the production equipment
available.
Frame made
from round tube Figure 5 shows an alternative frame
Minimum size design made from tubular bar.
22 x 1.5
Preferred size
25 x 1.5
Reinforced inside of
joint with a piece of
tube or bar
Base frame
and corner
posts
25x25x3
angle
Round
bar
Figure 6 shows a frame that can be
made from angle and bar
Round bar
Box section
made from
angle
Flat bar