02-04-2019, 11:14 PM
Hi all. Need some thoughts on mounting my Nippy petrol tank on the extended chassis frame I have built under the boot area.
This picture shows the bracket bolted to the tank. Bracket 3mm steel plate.
This shows an edge on of the bracket
This shows the chassis extension with the plate at the rear corner (4 holes) that the above bracket bolts onto.
With the tank/brackets bolted to the chassis extension the bracket size and shape has been arranged such that the tank is as high up as is possible. (I have previously used the Nippy in MCC trials and wanted to ensure max ground clearance).
The chassis extension is not completely rigid such that if you press down at either rear corner that corner will (together with the rest of the chassis) move downwards a little while the other corner stays up......ie the tank ends would be subject to a bending force through the brackets and the tank bracket.
I am wondering whether to put a medium soft rubber block between the bracket and where it bolts to the bracket welded to the tank so as to take distortion away from the tank ends. If so what hardness of rubber and what thickness? I would obviously have to shorten the bracket between tank and chassis extension by the thickness of the rubber block.
The rest of the chassis remains the usual A7 flexible affair.
Your thoughts welcome.
Dennis
This picture shows the bracket bolted to the tank. Bracket 3mm steel plate.
This shows an edge on of the bracket
This shows the chassis extension with the plate at the rear corner (4 holes) that the above bracket bolts onto.
With the tank/brackets bolted to the chassis extension the bracket size and shape has been arranged such that the tank is as high up as is possible. (I have previously used the Nippy in MCC trials and wanted to ensure max ground clearance).
The chassis extension is not completely rigid such that if you press down at either rear corner that corner will (together with the rest of the chassis) move downwards a little while the other corner stays up......ie the tank ends would be subject to a bending force through the brackets and the tank bracket.
I am wondering whether to put a medium soft rubber block between the bracket and where it bolts to the bracket welded to the tank so as to take distortion away from the tank ends. If so what hardness of rubber and what thickness? I would obviously have to shorten the bracket between tank and chassis extension by the thickness of the rubber block.
The rest of the chassis remains the usual A7 flexible affair.
Your thoughts welcome.
Dennis