Colin Chapman made the 7 at Lotus back in the sixties. It was a front-engined, rear wheel drive sports car. Since Chapman made it, it was very minimalist and light weight. The design is so good they are still being made by Caterham, who now owns the rights to the 7 , and are widely copied. Companies like Brunton and Westfield make pre-fabbed kits that bolt together with some donor parts, like a Factory Five kit.
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As seen on The plans are not complete, but they should provide you with a very good and very accurate starting point. Be sure to refer to the book for these structurally critical pieces. I've excluded them from the drawings because each builder tends to customize the transmission tunnel to meet their needs cut-to-fit. The missing triangulating members were simply too difficult to model with the computer. Paying respect to Mr. The drawings show secondary dimensions based on an automatic conversion from standard to metric.
This small difference is compounded during the assembly process when working with computer software. In the real world however, the overall effect of this discrepancy is negligible given the accuracy of most shop tools or lack thereof.
There are three drawing packages to choose from. NOTE: Details of the transmission tunnel, suspension brackets, and triangulating strength members are not provided in any of these drawing packages. It is assumed that donor parts and personal choice will dictate the final geometry of the transmission tunnel and suspension. An increase of 4" through the entire width of the chassis with subsequent changes to the diagonal members as needed.
This can also be accomplished at home with little effort. Standard front wishbones should bolt right up assuming the track width of the donor axle is exactly 4" greater than the UK based Ford Escort Mk1 the book donor. The increased width exists through the rear and the cockpit, while the front end is based on the book chassis and it uses a standard nosecone.
The suspension brackets can be mounted according to the layout provided by the book, but the length of the front wishbones should be customized to be sure the track width agrees with the donor axle following assembly. The increased length provides an additional two inches for the pedal box and another two inches in the engine bay. The increased height goes through the horizontal portion of the chassis forward of the dashboard to balance the over all design and accommodate taller engines.
There are some vendors manufacturing nosecones that are taller than the book design to provide even more height for the engine. This oversized nosecone is still available from certain vendors. A standard book nosecone leaves a 5" gap along the bottom of this super-sized chassis, but the width is spot-on.
The increased length provides an additional four inches in the engine bay with a relatively "book" sized cockpit. The images below show the level of detail provided in the drawing files. Would you like to know when this website changes?
Facebook Twitter Car and Driver. Chassis Plans The chassis plans on this site are based on the original Locost design presented in Ron Champion's book. All rights reserved. The chassis plans on this site are based on the original Locost design presented in Ron Champion's book.
Plans and Drawings
As seen on The plans are not complete, but they should provide you with a very good and very accurate starting point. Be sure to refer to the book for these structurally critical pieces. I've excluded them from the drawings because each builder tends to customize the transmission tunnel to meet their needs cut-to-fit. The missing triangulating members were simply too difficult to model with the computer. Paying respect to Mr.
A Locost is a home-built car. Front suspension is usually double wishbone with coil spring struts. The rear is traditionally live axle , but has many variants including independent rear suspension or De Dion tube. Body panels are usually fiberglass nose and wings and aluminium side panels. Each car is highly individualized according to the resources, needs and desires of each respective builder.
Users browsing this forum: Google [Bot] and 1 guest. Posted: Fri Dec 05, am. I have been browsing for a while, and am excited to start my build. Donor is stripped, and i am about to cut steel. Measure twice, and cut once is a good rule to follow, so i have been trying to gather as much chassis information as I can. It seems that 3 years ago Vodou freely published as set of plans, for a Miata based build, however it looks like they are not around anymore Does anyone have a link to a full set of their documents that can be downloaded?