Tube Chassis Subaru Engine build, Lots of new progress Options

[tazz9924]

Heres the quick break down: My old car got totaled on the side of the road, i got a good settlement out of it and with the money im building A tube frame chassis 914 with Porsche Boxster suspension and a subaru turbo motor.
The goals:
(Disclaimer some of these are really down the road and may not make the initial version 2.0, maybe 2.1 or so on and so forth. They are also goals so weather or not i achieve them, it’s something to shoot for.)

Tube frame chassis, all made of DOM tube and when all when the car is fully built it should weigh 1600 ish lbs.

The motor: It will have a subaru turbo motor. The initial version will see a 2.0 just so i can start having fun but eventually it’ll be a hybrid 2.5 making 400whp

The suspension: It will all be porsche boxster same with the brakes so it should handle all the power and lack of weight im throwing at it.

The body: It will be all fiberglass panels dzused on with the exception of the A pillar which will be a stock piece from a 914 but it will retain a vin tag. The only other stock 914 related thing will be pop up headlights which will be retained.

Aero: This thing will have an extreme aero package. From the smooth underbelly with large rear diffuser and front splitter to canards and a chassis mounted rear wing, This “car” WILL have a presence like little else.

Interior: Skip... JK this thing will have a digital dash, k tuned shifter, willwood pedal cluster, and a plaid racing seat. Thats about it, passenger seat is seen as optional at this point.

So hopefully this should be good, i dont have much time, even in the covid 19 world we currently find ourselves in right now. It may not be a fast paced build but the goal is to have a roller by june... So lets get to building!

OG car:

The Crash:

Whats Left:

I dont have many parts left, I took all the good parts off sold what i could and kept what i needed.

[URY914]

I have one word of advice: Triangulation.

[jd74914]

I have one word of advice: Triangulation.

What you did isn't really triangulation from an engineering sense. You made triangles, but they don't connect to the nodes so all you really did was put all of your tubes in bending vs. making the structure a two-force type truss member. That misses out on a lot of stiffness.

The spots you've done on the floor don't really matter, especially when you rivet on an actual floor because that shear plate will take care of any bending more efficiently than triangles. When you do to suspension bracing really try to make sure all of the nodes are braced directly with tubing running right in them. With properly triangulated nodes you don't need the coped tube gussets (you can put "tacos" if you want, but they really aren't necessary).

Rudy's build is a great example of good node structure with practical considerations for being a "914." His is a better inspiration than formula cars since it also incorporates the practicality of a car.

http://www.914world.com/bbs2/index.php?s=&...t&p=2361501

I'm not trying to be a dick, but rather provide constructive criticism from someone who has been there...please don't take above as me trashing your project, your work looks great! (IMG:style_emoticons/default/smile.gif)

[tazz9924]

I have one word of advice: Triangulation.

What you did isn't really triangulation from an engineering sense. You made triangles, but they don't connect to the nodes so all you really did was put all of your tubes in bending vs. making the structure a two-force type truss member. That misses out on a lot of stiffness.

The spots you've done on the floor don't really matter, especially when you rivet on an actual floor because that shear plate will take care of any bending more efficiently than triangles. When you do to suspension bracing really try to make sure all of the nodes are braced directly with tubing running right in them. With properly triangulated nodes you don't need the coped tube gussets (you can put "tacos" if you want, but they really aren't necessary).

Rudy's build is a great example of good node structure with practical considerations for being a "914." His is a better inspiration than formula cars since it also incorporates the practicality of a car.

http://www.914world.com/bbs2/index.php?s=&...t&p=2361501

I'm not trying to be a dick, but rather provide constructive criticism from someone who has been there...please don't take above as me trashing your project, your work looks great! (IMG:style_emoticons/default/smile.gif)

Noted! i understand what your saying, in my design it is a major part. The floor design i took from a trusted source, and i misinterpreted what u meant. Love the detailed responses though!