Thursday, February 21, 2019

S800 Rat Rod: Chassis complete

A decent stance, not as low as some rat rods, but realistic given the exhaust pipes under the transmission tunnel.



The oddball rear suspension, consisting of two chain cases acting as trailing arms hanging off a chassis-mounted final drive unit, is visible in this photo. The floor pan at the rear may get cut away, to make room for a small Moon-type fuel tank, which will leave the suspension visible.



Dual rear wheels will cope with the extra torque of the 1.6 litre straight eight compared to the 800 cc four.



The wheels and rims are sourced from the Hasegawa VW van, and represent 25.5" diameter tires versus 22.5" for the tires in the S800 kit. This required lowering the suspension substantially, in order to not only keep the body at the original height but to lower it further. This was done by moving the brake drum backing plates upwards on the corresponding uprights or chain cases. While technically not quite feasible, the approach works in styrene. A modified upright at the front, and a different coil-over in the rear, would do this at 1:1.



Hubcaps came from an unknown donor to the parts bin.



The other two Honda roadsters: S800 in competition trim, and S600 modified to take the S2000 drivetrain. The rat rod is the same length, with longer wheelbase offset by reduced rear overhang.



Next: body work. Stay tuned!

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