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08-31-2018, 03:56 PM | #1 |
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Car goes too fast!
Okay, this may sound goofy but here is what I am doing. I am making something like a model T speedster with as many parts as possible from old John Deeres. The front and rear axles are model A ford. There is a precedent for this as Deere used a model A transmission and steering column in one of their tractors.
The engine I am using is a flat head two cylinder vertical capable of only about 14 horse at 1500 rpm. Anyway I got the steering, clutch and accelerator and a makeshift seat hooked up the other day and drove it out of the shop. It is scary fast! I was hoping to be able to put around tractor shows in low gear at maybe 5 -10 mph but there is no way to hold this thing down that slow. I bought the rear axle from a model A restorer years ago and I have no idea what it came off of so I have to assume it has the standard 3.78 ratio. Other than trying to find a 4.33 or 4.55 ring gear is there anything else I can do to slow it down? |
08-31-2018, 04:06 PM | #2 |
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Re: Car goes too fast!
Pull one spark plug wire.
John |
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08-31-2018, 04:42 PM | #3 |
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Re: Car goes too fast!
Find AA rear axle.
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08-31-2018, 04:44 PM | #4 |
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Re: Car goes too fast!
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08-31-2018, 05:07 PM | #5 |
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Re: Car goes too fast!
or a 4 speed AA trans. 1st is granny low.
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08-31-2018, 05:10 PM | #6 |
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Re: Car goes too fast!
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Questions: 1. Is the drive shaft assembly similar to a car, will they bolt to a regular 3 speed. 2. Will model A passenger wheels bolt on? |
08-31-2018, 05:23 PM | #7 |
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Re: Car goes too fast!
Use a AA truck 4-speed transmission.
Bob |
08-31-2018, 05:30 PM | #8 |
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Re: Car goes too fast!
Or two transmissions.
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08-31-2018, 05:31 PM | #9 |
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Re: Car goes too fast!
1. Is the drive shaft assembly similar to a car,yes will they bolt to a regular 3 speed.Yes but he u-joint can be hard to find
2. Will model A passenger wheels bolt on?No.[/QUOTE] This link may give you some ideas. https://www.fordbarn.com/forum/showt...ght=doodle+bug Last edited by Bob C; 08-31-2018 at 05:47 PM. |
08-31-2018, 05:51 PM | #10 |
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Re: Car goes too fast!
How difficult would it be to replace the three speed with a four speed?
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08-31-2018, 06:46 PM | #11 |
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Re: Car goes too fast!
There is a precedent for this as Deere used a model A transmission and steering column in one of their tractors.
Very interesting, don't know of any John Deere that used any Model A parts.
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08-31-2018, 08:13 PM | #12 |
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Re: Car goes too fast!
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08-31-2018, 09:35 PM | #13 | |
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Re: Car goes too fast!
Quote:
it did just bolt in though.
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08-31-2018, 09:35 PM | #14 |
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Re: Car goes too fast!
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08-31-2018, 09:37 PM | #15 |
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Re: Car goes too fast!
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08-31-2018, 09:45 PM | #16 | |
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Re: Car goes too fast!
Quote:
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08-31-2018, 09:50 PM | #17 |
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Re: Car goes too fast!
I don't know what the torque is. It's 3.5 x 4 bore and stroke two cylinder. Runs to 1850 rpm. I was afraid it wouldn't have enough power to pull the thing and it's so fast it's scary for what I want to do with it.
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08-31-2018, 10:08 PM | #18 | |
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Re: Car goes too fast!
Quote:
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