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Author Topic: Dodge baquet ish build.  (Read 74724 times)

RhysN

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Re: Dodge baquet ish build.
« Reply #15 on: 24 November 2019, 03:47:35 pm »
That's an exotic build Jim. Makes my KISS cars look pretty primitive.
 Can I suggest you have a look at your ratio on the sprockets. I suspect that you may be geared a bit high, with a simple drive (no TAV) most folks are finding they need to be about 9:1 from the engine sprocket to the axle.

jim

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Re: Dodge baquet ish build.
« Reply #16 on: 24 November 2019, 04:33:31 pm »
Thanks Rhys, I think my ratio is 7.2:1. I am making a a plate that will bolt to the engine and support two sprockets. Similar in design to tav but with reducing gears. It is what I have kicking around the garage. I am on a very low budget with this build and it has to be under a grand. So far  £400.

RhysN

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Re: Dodge baquet ish build.
« Reply #17 on: 24 November 2019, 05:43:39 pm »
I like low budget! From memory Chris used about that on his ERA, subsequently changed. I'm sure he will chip in. You have spent more than I have so far :)

ChrisS

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Re: Dodge baquet ish build.
« Reply #18 on: 26 November 2019, 08:04:49 pm »
I have a selection of 4 sprockets which can give me final drive ratios ranging from 9.6:1 to 7.6:1.  At Stretton in November I was running 8.8:1 which was probably slightly undergeared as the governor was cutting in quite early on the straights but the hairpin slows you down so much that without a TAV the engine really labours as you accelerate out.  My first time out at Stretton the hairpin wasn't in our circuit and I was running 7.6:1 and it pulled it fine.

jim

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Re: Dodge baquet ish build.
« Reply #19 on: 19 December 2019, 10:43:08 pm »
A few more bits done. Steering wheel made from an old bit of ali sheet with some ply wood glued on. Brake pedal and master cylinder which is an old toyota supra clutch one. Fitted some brake discs and calipers from a scrap Chinese 125 bike. Made a plate  to mount the reducing sprockets. I think that's about it.

jim

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Re: Dodge baquet ish build.
« Reply #20 on: 29 December 2019, 07:58:42 am »
Well, I don't think my maths are up to much. I had 3 to 1 on the first chain from the engine and 4.1 to 1 on the second. I added them up and came up with 7.1 to 1. I actually had about 12 to 1. So I have made a couple of sets of change sprockets to alter the ratios. Currently 8 to 1. I also changed my steering slightly by adding another track rod. This made the wheel angles better at full lock. I felt I would get a lot of under steer using the kart type of set up.

jim

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Re: Dodge baquet ish build.
« Reply #21 on: 29 December 2019, 08:06:45 am »
I like the ball joints from eBay. M8 and all 4 were about 11 quid posted.

ChrisS

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Re: Dodge baquet ish build.
« Reply #22 on: 29 December 2019, 04:10:39 pm »
Well, I don't think my maths are up to much. I had 3 to 1 on the first chain from the engine and 4.1 to 1 on the second. I added them up and came up with 7.1 to 1. I actually had about 12 to 1. So I have made a couple of sets of change sprockets to alter the ratios. Currently 8 to 1. I

Yes, you need to multiply them so 3 x 4.1 would have been 12.3 to 1. But I think if you now have 8 to 1 that's a very good ratio to start with.

Very impressed with your chassis fabrication!

jim

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Re: Dodge baquet ish build.
« Reply #23 on: 30 December 2019, 07:08:29 am »
Thanks Chris. I have mocked up a fuel tank  with card and cable tied a wheel to get an idea what size to make the tank . I will only be using tyres on the back because a wheel is heavy. I will make the brackets so the engine is covered a bit more but will also allow air flow.

Marek.Z.N

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Re: Dodge baquet ish build.
« Reply #24 on: 30 December 2019, 01:15:08 pm »
AWESOME BUILD!!!!!
Is this fuel tank you are mocking up going to be functional or just a cover for the engine? Also, I love the back wheel and chassis and the radiator is looking cool. Cant wait to see this progress.

jim

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Re: Dodge baquet ish build.
« Reply #25 on: 30 December 2019, 07:20:52 pm »
Thanks Marek, the tank will be just for show but a small tube shape proper tank will be hidden underneath. I will make it so it can be filled from the outside. This evening I have made one of the end caps from a bit of Ply and some ali strips . It's quite large but when finished it should  cover the engine.

Marek.Z.N

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Re: Dodge baquet ish build.
« Reply #26 on: 31 December 2019, 12:12:02 pm »
I love the tank idea and the use of CAD (cardboard aided design). this is going to be quite the cyclekart, I love the dodge baquet as a car

Marek.Z.N

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Re: Dodge baquet ish build.
« Reply #27 on: 31 December 2019, 12:13:04 pm »
making a seat/livery similar to the original would look awesome aswell.

jim

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Re: Dodge baquet ish build.
« Reply #28 on: 10 January 2020, 06:57:58 am »
Dummy tank almost finished and an old bmx wheel held on with a quarter turn fixing with some brass finials.

Marek.Z.N

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Re: Dodge baquet ish build.
« Reply #29 on: 10 January 2020, 07:03:16 am »
that looks so cool. the BMX wheel doesn't look out of place or too small and the tank is absolutely splendid!!!