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Topkick fifth wheel hauler project

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CNGsaves

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Great project . . . love the aluminum welds and quality!!

If that truck were in Oklahoma or Utah, it would be prime candidate for blended-fuel setup with mix of say 30% diesel and 70% CNG (compressed natural gas). This would more than double the mpg of diesel and replace high diesel cost with $0.99/gge cng in OK or $1.49/gge in UT.

The service body would be designed around the cng tank placements to maximize cng fuel storage. Someday in future, these might become OEM.

Keep pics coming . . . . love seeing the great work! :thumbup:
 
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NASTYZEN

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I think he meant to type "winch"

Well there's no winch, so I guess he means hitch. The client want's me to sandwich it. The hitch brackets that is,with checker plate. There will be a 4 x 6 box back there.

QC engineering hen!!

Looking good

Hey thank's. Engineer as you go eh!

Osti que j'ai l'don me crisé dans marde.

Great project . . . love the aluminum welds and quality!!

If that truck were in Oklahoma or Utah, it would be prime candidate for blended-fuel setup with mix of say 30% diesel and 70% CNG (compressed natural gas). This would more than double the mpg of diesel and replace high diesel cost with $0.99/gge cng in OK or $1.49/gge in UT.

The service body would be designed around the cng tank placements to maximize cng fuel storage. Someday in future, these might become OEM.

Keep pics coming . . . . love seeing the great work! :thumbup:

Thank's CNGsaves, this one's gas powered.

This weekends progress.
Not!!

 
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Strouty

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Mar 21, 2010
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Southern Maine
Damn spell check. I meant hitch. That truck seems to have white stuff all over it. Hopefully you can get it back in next week.
 
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NASTYZEN

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Got to sneek out to the shop tonight to post.

Put the motorcycle contraption close to where it belongs.



The client came buy and decided to omit the rear cargo space and have a wrap around bumper instead. So this is how the corners are gonna look.Torched those funny brkt's off.



I'm going to make him some big ones on top of the wheels.
What king of door handle does one put on top of a panel that wont accumulate water??
I'm having so much fun with this one.:drool:

 
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NASTYZEN

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Super cool. Did you lay it out on paper or just as you go?

The client has a few drawings and pic's as a guide line, but the design is kinda open. I have never made one of these and frankly don't know what I'm doing.:lol:
I'M relying on experience.......

That's going to be pricey,pricey but really nice!

Thank's. Please keep all the fwapping to yourself.:eyecrazy:
 

Strouty

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I am dying for some updates! I had to bite the bullet and slap a receiver tube on my truck so I could haul a trailer on Wednesday.
 
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NASTYZEN

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This is how far I got last week.
I slit a tube with my jig saw to make the corners.



The second one was easier done on the band saw, now that I had some room.



First corner done.



Yes there is still some snow here.....









Then the client came by....and didn't like how low the door and side for the bike will be with the sides being tapered.
So I cut all those bits off and started over....the joys of prototyping!!

This is how it looks this morning with the sides at a 90 deg. for the motorcycle bay.
The diagonal angles tacked in the openings are to keep the structure square until everything gets final welded.







Till next time!:beer:
 
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brawls43

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Aug 29, 2012
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Minneapolis
Looks awesome! I think I liked the taper better, wish I was the customer. This should be a sweet rig!
 
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NASTYZEN

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A combination of both. Prob. 80% mig and 20 tig and a few rivets later.
Mig is great for tacking this kind of project. You have to be an octopus to assemble tack with a tig or have a helper.
I don't like the looks of mig at all though...
 

aggierailroad

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How on earth did you split that pipe straight with a jigsaw?? I've been contemplating how to do just that for some time now!

Keep up the great work!
 
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NASTYZEN

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How on earth did you split that pipe straight with a jigsaw?? I've been contemplating how to do just that for some time now!

Keep up the great work!

Thanks! I actually got a nicer cut with the jig saw than with the band saw??
All I did was clamp both ends down to the bench top and scribed a line down the tube which I followed with the jig saw blade. I used a sharp blade for wood and lubed the blade with wax every 8 inches or so. Also, the jig saw has settings to push out the blade on the up stroke that helps a lot. The knob keeps popping out of position from the vibration, so I used black tape to keep it from moving.
 

aggierailroad

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Thanks! I actually got a nicer cut with the jig saw than with the band saw??
All I did was clamp both ends down to the bench top and scribed a line down the tube which I followed with the jig saw blade. I used a sharp blade for wood and lubed the blade with wax every 8 inches or so. Also, the jig saw has settings to push out the blade on the up stroke that helps a lot. The knob keeps popping out of position from the vibration, so I used black tape to keep it from moving.

That was my plan, I just didn't figure it would work.. I'm pretty sure my jigsaw oscillates - I had to buy a nice one since I couldn't also get a bandsaw!

Thanks for the explanation.
 
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NASTYZEN

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Looks like the chassis has air suspension rear axle...did you dump the suspension before fitting the full fenders ?

:lol_hitti Hard on the bumpstops.:thumbup:Thank's

That was my plan, I just didn't figure it would work.. I'm pretty sure my jigsaw oscillates - I had to buy a nice one since I couldn't also get a bandsaw!

Thanks for the explanation.

Oscillates!! That's the word I was looking for. It's hard having two brains. One French one English, they conflict....tzzzz.. tzzzzzzt...zzzz.:)
 

NUTTSGT

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You've made some progress since I last checked this thread, mighty darn cool I must say.

I might ask something though. One you build something like this with alot of "prototype" work, how do you figure a price for the customer ?
 
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NASTYZEN

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You've made some progress since I last checked this thread, mighty darn cool I must say.

I might ask something though. One you build something like this with alot of "prototype" work, how do you figure a price for the customer ?


From the pictures and drawings, I determine a ballpark number of hours for the job.
I charge by the hour. I make darn sure the client understands this prior to starting. Every change costs time and money.
 
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NASTYZEN

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I was able to put some hours in this week.
This is how far I got the first session. Started with the front left and worked my way back.




Meanwhile the client came by decided to change the back a little. It dropped down to 2 inches. It's now up to 6 inches. This way, there wont be a transition between the side and the tiny tailgate to come later.



Next session.







Mostly done for the main structure, now for the fender sides.
I decided to go with 2 x 2 1/4 angle because I have all kinds of it on had,

Firstly fit something up.



Tack em up and now I have a template for all the other ones I need.



I'm getting better at remembering to hold the gas trigger for a few seconds after the tack is done. I get less smoke that way too.:lol:
Cheers!
:beer:
 
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SiGmA_X

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You do great work sir. I've loved reading all your threads over the years... Impressive to say the least!

Left side is the new height for the rear end? I can't visualize it, but I'm sure it'll make sense once buttoned up!
 

NUTTSGT

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HOLY **** !! where did you get that huge calculator ? LMAO. At first I thought it was an illusion with the drill press in the background but I scrolled back up to the other pictures.
 

ilovevocs

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Toledo, Ohio
^ I know your comment wasn't directed towards me but I bought one of those for my old man when he started wearing glasses. Oddly enough e never used it. You crunch numbers long enough on that bad boy and you feel like you did an Aerobic workout. Think of using your should instead of your wrist when punching numbers.... Doesn't seem like much but it adds up... As for point of purchase, I can't recall, it was some novelty shop.
 
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NASTYZEN

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You do great work sir. I've loved reading all your threads over the years... Impressive to say the least!
Left side is the new height for the rear end? I can't visualize it, but I'm sure it'll make sense once buttoned up!

Thank you Sir. I'm having so much fun with this project, I just have to share.

Yes the left side is the new height for the rear. You can see in some of the shots where the right side tapers down to 2 inches before I cut it all off to make it like the left.

Obviously the giant calculator is for adding up the bill.

We have a winner.:thumbup:

My girl friend got it for me at Staples for a joke. I scare the customers with it at bill time.:evil:
 
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NASTYZEN

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I made some card board templates from the proto fender and mashed them out.
Welded them on the bench where it's easy.



Once in place.



Ready for final welding.



But first, the man wants a roll bar. A decorative one...
So roll bar he gets. Using 1/8'' 3003 Alu sheet.

Cardboard template again.



Layout on the sheet.



1/8 is to thick for anything else I have in the shop. Jig saw to the rescue.



I was going to hammer form the edges, but that didn't work out well, so I picked MP&C 's brain a little and this is what I came up with a day later.

Turned some tank roll dies on my cnc lathe.



Mounted them on my home made bead roller.



I work alone most of the time, so I motorized it temporarily.



Exactly what I wanted! Thank you Robert!:thumbup:





Now on to cutting out the rest of the bits.

Cheers!:beer:
 
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NASTYZEN

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After rolling the edges of the arches. It was time to pre fit the top and bottoms.



Roll the edges on those parts and refit again.


I got to use my new bench a little.
I used 2 x 4 steel bars I keep around for this kind of work.



All tacked up.



Welded up.



Welded the inside corners for strength.



Now the other side. And then the joining of the two.
:beer:
 
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