Ferrari 312pb scaled kart

[bradwsm]

Hello all new member in swfl. This is my first go at building a go kart or anything of this scale. In my younger days I built a number of motorcycles but nothing almost completely from scratch. My goal is to build a scaled down but as accurate to the original as I can of my favorite car of all time! It is a bit larger than a traditional go kart but certainly not a full size replica. Here are some pics from the beginning till now. I am 2 months in and making progress. Let me know if you want any info. I included a pic of the original inspiration car not my finished build!

 

[bradwsm]

Sorry here are some pics at the start

 

[Denny]

Wow! I’m blown away. All that in 2 months? What are the actual dimensions? What engine and trans? What is your background? Expected use of it? So many questions!

 

[panchothedog]

UNREAL. You are one talented craftsman. Very nice work. Is that a boxer 6 cylinder engine? What's it's origin? Also, welcome to the forum.

 

[bradwsm]

Thanks guys! Glad to be here. The engine is from a 1993 Honda goldwing 1500 flat 6 with 5 sp+ reverse. The real car has a 3 L flat 12 so this motor made sense to me. It's end use....? Neighborhood ripper??? I just really wanted to build it. I did all the design and cutting for the frame a luckily have a friend who was willing to weld it for me. Exact dimensions I don't have in front of me but wheel base should be around 70" and overall width is around 58". For comparison a standard golf cart wheelbase is around 65". For a size reference the front wheel is 10".

 

[Denny]

That just makes it even cooler! What kind of speeds are you expecting out of your golf kart?

 

[bradwsm]

That's a good question! Not sure what to anticipate. Rear wheel is 12" so there is a small tire selection so I got the one with the highest speed rating I could find which is N!

 

[Denny]

The interior looks really comfy. What do you expect it to weigh?

 

[bradwsm]

It's still pretty cramped, not uncomfortable but no lounge chair. My gut says around 7-800lbs?? With basically 100hp and 100 ft/lbs it should be a hoot!

 

[Denny]

This is way too cool!

 

[bradwsm]

Made more progress on the body work.

 

[Denny]

Looks great! I was just wondering about this yesterday.

 

[panchothedog]

Nice progress on the body. Do you do the fiberglass work yourself?

 

[bradwsm]

Yes I am doing all the glass work. Obviously doing it off of plugs, it would take a lot longer to build a mold than actually finish the body.

 

[Master Hack]

Thats a ambitious project! Looks great! I'm interested to see how you handle the drivetrain/suspension/axle/differential. Is that honda a shaft drive?
l'm playing with an idea using a similar propusion unit.

 

[bradwsm]

Yes it is a shaft drive. I am making a short drive shaft that will connect to a Polaris Sportsman xp1000 rear differential.

 

[bradwsm]

Drive shaft is done. It is a bit longer than I would like. Debated making a shorter solid shaft but I like the fudge factor a u joint gives me. I still may make one anyway. Here is the mock up and generally where the wheelbase will fall.

 

[Master Hack]

What is the ratio of the diff? I gotta ask, what that set ya back.? Nice work!
l am working on aproject that needs exactly that!
I woundn't use a solid shaft. Things might start breaking.

 

[bradwsm]

Not sure of the ratio in the diff, and I don't remember how much it was but I think I got it in Amazon. Here is a scaled mock up of the rear and a pic of me with it to give a sense of it's size.

 

[bradwsm]

Nothing major, got the center vent and headlight buckets done now to the brake cooling ducts. The red is a pic of the real 312 front