Welcome

Welcome to my Cobra Replica build blog.
Please contact me if you would like to know more detail as i progress."CR3514@live.com.au"
Regards
Dave

Tuesday, June 17, 2014

Radiator & Fans

The radiator I had built by Shauns Custom Alloy see his web site. The construction, welding and finish is first class.
Its my design, with a few changes from the Classic Revival factory radiator.
For a start, I wanted to be able to lower the radiator out through the bottom of the car.
The factory unit is too wide to fit between the swaybar mounts on the chassis and would be quite cumbersom to remove through the top.
To counter for the reduced size (about 60mm in length), I raised the height as I dont need the space above the radiator for a cold air induction.
I also wanted a drain plug, and -AN fittings for the radiator hoses, a SPAL radiator fan on the back, and mountings on the front for the twin fan setup. I've heard these arent very efficient, but I like the look.


Twin Fans installed on the radiator mounts.











For the fan mount brackets, i had the local Laser Cutting man cut me parts for the motor and assembly mounts.
Most of the cost for this work is time based, so if you can do vector drawings yourself, and wait for when they do your material type run, the cost is very cheap for a quality custom product.






Here's a pic after bending in the vice and welding to some 19mm (3/4") RHS tubing.
The material is 3mm (1/8") flat, persuaded to bend with a hammer after applying some heat.








Pic of the can motor mount after painting.












The radiator is held in position by some CNC'd brackets and tube witha nylon insulator over mounting pins welded to the radiator tank.

The radiator base has 2 pins that locate into brackets on the chassis.






Supurb Tig welding by Shaun throughout the radiator.











SPAL fan on the back of the radiator will do the primary cooling.

The fan is surrounded in a custom polished aluminium shroud.







Lower radiator to pump hose, black Aeroflow -20AN fittings, black braided hose, and roll bar insulation to protect from any rubbing.









On the Radiator, I had fittings welded on for Sacrificial Anode, Earth Strap, additional Temp Switch or Sensor location if needed (Temp Sender unit on the Head for the ECU, which can switch fans on/off anyway).
Radiator purge (no filler point on the radiator due to access so will run a header tank)
Twin Fan Mount, Spal  Fan, Shroud, and locating dowls for radiator mounting.
The core is a 67mm PWR.