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Project Trailer Part One:  Building the Ultimate Open Deck Trailer 

Project Trailer Part One:  Building the Ultimate Open Deck Trailer

By Mike Kojima

It’s no secret, we hate towing.  However if you are going to race or drift, there is no escaping it.  Towing is a necessary evil that has to get done if you are going to have fun at the track.  Trailers are a pain in the ass as well.  They are hard to drive with, increasing your vehicle’s stopping distances to dangerous lengths, are easy targets for thieves and have a nasty habit of breaking in far off places where you especially don’t want problems.

 Project Trailer Part One:  Building the Ultimate Open Deck Trailer
Our base frame is strong box sectioned steel.  Our older trailers were cheaper C section and they were bent from years of abuse!  Note all of the support for the deck.  Look underneath cheaper car haulers and you won't find such a well built frame.

Being racers we tend to pour every bit of spare money into our race cars and handily ignore the stuff we use to get the car to the track.  We have also had our share of trailer disasters from flats and burned out bearings in the middle of nowhere, rear ending people because we could not stop, to near serious accidents due to knuckle heads cutting off the racecar on a trailer on the freeway to stolen trailers.

 Project Trailer Part One:  Building the Ultimate Open Deck Trailer
The tongue section is fully triangulated for strength.

We have also had to put up with irritating things like having to take millions of pieces of wood to shim up too steep ramps, to getting a hernia from lifting and carrying super heavy ramps around the side of the trailer, to cars getting hung up half way and doors not being able to be opened due to fenders getting in the way.

 Project Trailer Part One:  Building the Ultimate Open Deck Trailer
This sturdy boxed in section is to accommodate our locking swing away tongue.  This will save storage space and make the trailer a lot harder to steal.

 

 Project Trailer Part One:  Building the Ultimate Open Deck Trailer
Now you can get an idea of how this part works.
Project Trailer Part One:  Building the Ultimate Open Deck Trailer
It folds to the side and locks in place.  A determined thief is going to steal anything but he will try to steal the easy jobs first.

 

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Comments

drew_flux
# drew_flux
Monday, September 12, 2011 2:05 AM
looking forward to the next part. are you planing a nose cone/ wind diverter? curious to see what you come up with,when installing a winch
clintfocus
# clintfocus
Monday, September 12, 2011 2:40 AM
O_O amazing
Dusty Duster
# Dusty Duster
Monday, September 12, 2011 3:56 AM
That is one beefy trailer, but I imagine it must be pretty heavy in comparison to the other, cheaper trailers. How much weight are we talking here?
Tony
# Tony
Monday, September 12, 2011 5:19 AM
Wow, now thats one serious trailer build! Square tube alone must have cost a fortune, but love the fabrication involved!
jeffball610
# jeffball610
Monday, September 12, 2011 7:32 AM
This trailer is BA! Can't wait to see the tool boxes and everything put together. Anyone towing a vehicle on a regular basis needs most of this stuff. It's scary what people do with trailers and what happens when things go wrong.
Tony
# Tony
Monday, September 12, 2011 7:35 AM
LOL, I'll just leave this here:

http://www.youtube.com/watch?v=e8a71x6H8_4

Mike Kojima
# Mike Kojima
Monday, September 12, 2011 8:40 AM
Wow!
Der Bruce
# Der Bruce
Monday, September 12, 2011 8:47 AM
Investing in a good trailer and equipment to go with it is essential if you care about what you're towing! I could probably write a whole article on towing essentials, lighting problems (think rivets people), pros of when to go with 16" wheels over 15" inch wheels, types of batteries for electric tongue jack and winch, etc, etc. I love the adjustability of these fenders!! The kind that sraight up unbolt work but are no fun :(
Rockwood
# Rockwood
Monday, September 12, 2011 9:48 AM
@ Tony: That's what electric trailer brakes are for. Well, that and properly loaded trailers and sufficient tow vehicles.

I really with they sold LT 15" tires in trailer sizes. ST tires are junk, all of them. 60mph speed rating, FTL! Mike, you going with 16" LT tires since you like to tow at higher speeds and this thing will be beefy?
Rockwood
# Rockwood
Monday, September 12, 2011 10:05 AM
BTW, something like a BFG Commercial T/A in a 225-75-16 would be a 29.4" tire, which is about 2" taller than the 205-75-15s that usually come on flatbed trailers. They'd last longer, handle better, and take the abuse better. Plus, getting adequate replacements in the middle of nowhere is probably easier.

We used to run ST tires on the toy hauler, but after numerous failures, we went to the BFG Commercial T/A LT tires and have had zero issues, despite a lower weight rating.
HAR
# HAR
Monday, September 12, 2011 10:36 AM
Very nice work and thoughtful design!
May I ask a ballpark figure for what you think you will have in it by the time it is completed?
Mike Kojima
# Mike Kojima
Monday, September 12, 2011 10:39 AM
Around $5000-6000. I was tired of patching up my $1700 trailer and it was about to die big time.
Burninator
# Burninator
Monday, September 12, 2011 10:48 AM
I hate my trailer. A lot of the features on this would be super nice to have. This thing is going to be sweet!
bigdave
# bigdave
Monday, September 12, 2011 11:37 AM
You could always donate the old trailer to me so i dont have to rent uhaul every weekend LOL. How heavy is that thing going to be?
Mike Kojima
# Mike Kojima
Monday, September 12, 2011 12:31 PM
it's not safe anymore.
Der Bruce
# Der Bruce
Monday, September 12, 2011 12:43 PM
Steve - Your knowledge of diesels, trailers and now this mention of toyhauler, I'm starting to think we have MANY of the same weekend hobbies :)
HAR
# HAR
Monday, September 12, 2011 5:21 PM
Wow, That's a very good price for the quality of work, materials and thought that's going into it!

willscarcast
# willscarcast
Monday, September 12, 2011 6:45 PM
sweet stuff. i wonder, could you show some tricked out open trailers. id like to see what else they can do there.
dj06482
# dj06482
Monday, September 12, 2011 7:43 PM
Great article, investing in a solid and safe trailer is always a good idea. Looking forward to the rest of the build!
fsae_alum
# fsae_alum
Monday, September 12, 2011 9:02 PM
That is going to be one helluva a trailer Mike! Nothing like having trailer problems on the road to take the fun out of your race weekend but that shouldn't be a problem with this trailer!

I just tower an open deck U-Haul trailer cross country with my wifes Prius on it. Even with the fold down drivers side fender we still couldn't open the door more than 5". Turns out that when driving accross West Texas we stopped to crack the windows on the Prius so that the belongings inside wouldn't get too hot. When doing so we hit the headlight stalk and accidentally turned on the parking lights. 1 day later and the battery in the Prius was dead. The battry is in the bottom of the hatch. Can't open the hatch without electrical power. Can't get to the hatch from the inside because the car is loaded front to back with stuff. Can't open the doors to unload the car. Had to take the fenders off the trailer and unload the car via the passenger doors to get to the battery. PITA. Have fold down fenders on BOTH sides of the trailer Mike becuase you never know what will happen.
Asx
# Asx
Monday, September 12, 2011 10:37 PM
Aluminum Ramps are worth their volume in gold. I like to show off by curling them.
Rockwood
# Rockwood
Tuesday, September 13, 2011 3:18 PM
@ Der Bruce: I spend a lot of weekends between October and March in Glamis, CA, you?

@ fsae: I know some of those fob-only Toyota have hidden panels you can remove where you can put a real life key, the Prius?
DieselTech
# DieselTech
Tuesday, September 13, 2011 3:50 PM
Have you inspected the wiring on any of the trailers theyve built? Ive seen way too many pricey trailers that look like they got wired by monkeys with crimpers....
Der Bruce
# Der Bruce
Tuesday, September 13, 2011 4:36 PM
Steve - Haha, went to Glamis and Gordon's Well while going to grad school in AZ. Now it's the Oregon Dunes Memorial to Labor Day (we don't have as much sun as you do)!

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