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i wanted to build a trilor because: i dont drive, im always on my bike, shopping is heavy and i can only carry a little while cycling.

i looked on the internet to see what designs were avalible and what other people have done.

the design i liked best was a simple bamboo design i used most of their idear but made a few alterations with advice from my dad who helped me build this!
 
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Step 1: Next step

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i didnt want to build mine from bamboo, so i decided to use steel, and iron.i used bolts to join it together instead of welding it this is so i can undo the sides to get the wheels off once built.

i used L shape metal for the frame. and bicycle wheels 2 (front) for the wheels the wheels are fixed into a hole drilled for the axle to be bolted too.

i didnt take any mesurements all you see is done by the hope its straight and big enough, im a sucker for mistakes!

i didnt cut the excess of the bolts off because i think they may come in handy for straps or bungies.

Step 2: Next step

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i tryed this frame like this behind a bike and it snaked! witch gave me the impression thats why the A frame would be a good idear.

this was just like building a triangle easy to do but time consumeing.

once the A frame was built i fixed it to the trilor all the way through to the back of the inside bars.

it seemed to give the trailor better steering co-ordination.

the next part was to attach the trailor to the bike i chose to use pipe! (crome or copper is not strong enoug!) i used steel bought from a electricts shop.this goes right the way through to the back bar and out past the A frame centre and keeps going!

but before i attach it i had to bend it into shape. i used pipe benders with a little gentle persuasion i.e. me and dad both swingging of the tool handles it finally bent!

again no mesurements were taken this trailor was built by the hope its gonna fit job!

Step 3: Next step

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this is the way the A frame connects to the pipe. the A frame and the pipe gose to the back bar

Step 4: Next step

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i built the box by useing panneling measured by the trailor lengh its held together by the slacks, screws and bolts. the inner pannels are not finished yet there just there to stop things getting cought in the wheels i want to box the tops off so the wheels are hidden and outta sight. im also going to add a lid with a lock so i can lock away my tools and private items

its coted with a wood stain to help provent it from the weather. hopefuly

Step 5: Next step

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the trailor is attached to my bike by chain and clamps on this picture. but now im useing padlock instead of clamp that way only i can remove the trailor! you may wish to think of another idear? i have an old innertube ovet the pipe to make it more softer to hold like and handle and this helps reduce noise of chains rattling.

Step 6: Finished almost

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almost finished project!

i couldnt have built this without my dads help he was really cool!

i have added some items to my traylor to help free up my bike. these are showen in the picture below i think it gives the traylor some character

Step 7: Final stage with changes

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all the bodywork remains the same but a few extra items have been added, this is how it will remain. the trailor is strong but slightly heavy like some people thought although i do think its worth the extra weight for the security! i hope you enjoyed this project i know i have..
trusted smiles (author) 6 years ago
thankyou all for your intrest and comments.
don't you use spell check? hit the books a little more, you could improve your spelling, but a very nice trailer any way.
DIYfan6 years ago
Great project, timely subject too. Perfect for people trying to use cars less.
Great stuff! I totally know what I am going to do with the bed frame that my wife wants me to throw out.
yes, (free) angle iron bed frames are the best! i turned a flat bed car trailer into a 4' deep utility trailer with a couple of scavanged bed frames. bad picture of it here, loaded,wrapped and covered with a mattress before my x-country trip:
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jws4408 years ago
good work.
dyunn28 years ago
very nice work, i have seen other bike trailers but this one is more secure i guess. well done. i'l try to mix up ideas. is it not hard to move during turns? tnx
Congrats! Nice project. Have you considered ditching the part of the box that constitutes the wheel wells? All they would appear to do is add weight and increase your frontal area, creating more drag. Do they serve a purpose other than enclosing the wheels?
trusted smiles (author)  cirrostratus8 years ago
all the designs that i see have the wheels on show. so i know what your talking about yes your right it would help remove so weight and the wells dont serve much of a perpose exsept alittle more space on top. however i have growen to like them like this and feel it is worth that extra effort. next time i build a trailor i will try aluminum frame and a light weight containor from plastic but i cant see this beeing very strong more built for speed i suppose.
TossManual8 years ago
Nicely done, great instructable. I especially like the wheel wells. Nice, solid trailer. The only problem with it would be weight, I would think. With all the steel and thick wood, you'll get great quads hauling groceries with this thing!
trusted smiles (author)  TossManual8 years ago
your proberly right! so far i havenot had the chance to test it fully loaded good job i got a 18 speed mounting bike! i might beable to get it to move. it looks big in the pictures but its not that large in life, it rolls well on these wheels and i dont think it will be too much of a problem unless trying to ride up realy steep hills. and theres not many where im at. so i should be fine
that thing looks like a tank, I'm guessing you're planning on using it for more than just groceries :)
trebuchet038 years ago
An alternative material for the frame could be bed mattress frames ;) Nice work
trusted smiles (author)  trebuchet038 years ago
would a bed base be very strong?? i was hopeing to build something to last.
DanAdamKOF8 years ago
Great first instructable, I'm looking forward to seeing the final product.
trusted smiles (author)  DanAdamKOF8 years ago
DanAdamKOF thankyou for your comment it was appreciated :D
trusted smiles (author) 8 years ago
cheers guys for your comments i will take note and try to add more info in time. and once i've had alittle more pratice at useing this site :D
latobada8 years ago
Nice, maybe state what it is and a little information about it in the Introduction to the product, but other than that nice. maybe just talk about building the frame too.