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 craftsman drag race mower

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cumminsbayou
murrayracer
crazykid1994
redlinemotorsportts
Jerbear0612
willis923
Stretch44875
k2500life
Speedfreek241
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Speedfreek241
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PostSubject: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 27th 2013, 8:41 pm

I am making a race mower not sure of how fast I want it because I don't want to go through transaxles.
craftsman drag race mower Img_0710
I already have moved the front axle forward a couple of inches.

this is what I want it to look like. https://i.servimg.com/u/f56/18/41/48/01/img_0711.jpg
I am going to paint mine with a sub lime green with matte black accents. I need to lower the back of the hood so it sits flat and lower the mower a couple of inches. I am using a electronic clutch so I don't have to worry about belts falling of as much.
what axle should I look in to getting and how fast can I make it without wearing out transaxles.


Last edited by Speedfreek241 on November 20th 2013, 9:37 am; edited 2 times in total
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 29th 2013, 7:28 pm

how fast should i make it because i don't want to wear out trans axles because i only have the one that is on it. i know i am going to have a 4 inch front pulley because of the electronic clutch. wondering what size back pulley to run that wont wear out trans axles but get a good top speed.
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k2500life
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 29th 2013, 7:35 pm

Here's a few more pics of it since its in my yard and speedfreek241 was to lazy to get more pics
craftsman drag race mower Image99
craftsman drag race mower Image100
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Stretch44875
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 29th 2013, 7:37 pm

For a fun speed, but not too fast for stock brakes/transaxle/steering, I would try a 1 to 1 ratio, which would me a 4 in rear if front is 4 in. Usually gets you 15-20mph.

Electric clutch sounds scary to me, they are very abrupt.
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 29th 2013, 7:43 pm

yah the electronic clutch is going to be a hard hit on the mower. i am going to be building a brake system for it so that it can stop.
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 29th 2013, 7:54 pm

if i put a 1 inch to 1 1/2 pulley on the back how fast do you think i will go.
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willis923
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 29th 2013, 10:46 pm

i really dont like the idea of an electronic clutch, unless its like a foot operated button.. it just dosent seem safe to have to push a button to make it stop
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Jerbear0612
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 30th 2013, 6:21 am

With a one inch pulley on the rear I don't think you'd have enough surface area for the belt to grab which will cause belt slip
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 30th 2013, 6:35 am

The electric clutch was an idea of my friends. I don't think I'm going to run it because I don't think it will take the abuse. It would have been minted to my original clutch pedal for the switch. I'm now just going to have to biuld a jacks haft so that it will be faster without slipping.
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 30th 2013, 8:30 am

I have a 3 on the engine what size should I make the jack shaft from the engine then to the transaxle and what size should I make the transaxle pulley. I need the 2 sizes for the jack shaft and then the size for the transaxle.
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 31st 2013, 6:25 am

I finally figured out I'm going to run the electric clutch but keep the original clutch as tensioner. The electri clutch gas a four inch on it and the back will have a three. How fast will it go with this setup?
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willis923
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 31st 2013, 8:20 am

i kinda like that. it seems safe, AND reliable. kinda like a perminate neutral until you engage the electric clutch. its hard to tell how fast it would go, there is plenty of tables out on the internet that can help you
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redlinemotorsportts
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 31st 2013, 8:48 am

Just a little heads up, you spelled craftsman wrong.... lol
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 31st 2013, 9:37 am

Ok so now that I finally figured it out that I'm using the electric clutch as a gas pedal and keeping the stock clutch as tensioner and spare clutch. I'm putting it on tonight and we'll see how it goes.
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 31st 2013, 9:34 pm

craftsman drag race mower Image12 this is the electric clutch I am running
craftsman drag race mower Image13 I'm almost done installing I have to get a spacer and bolt the wire it up. I couldn't keep the ordinal clutch on because a it was hitting.
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willis923
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeOctober 31st 2013, 10:24 pm

cool, hope it all goes well
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeNovember 1st 2013, 10:12 am

Now that I got the clutch on i have to biuld an jackshaft and put tensioner pulleys on so that I can get it around the shifter. I have to lower the mower and move the fenders back four inches so that my tires will fit under my fenders and won't rub and then paint. so I have a lot of stuff to do I'll keep you guys updated.
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeNovember 1st 2013, 5:11 pm

well you think you want bigger the better for belt grip. i ran a 7" on the front to a 4" rear and hit about 30mph with a 5 speed spicer on 18" tires. it was very top heavy and uncontrollable tho because of stock steering and a locked tranny on pavement.
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeNovember 1st 2013, 5:57 pm

The front is a five on the electric clutch and can't be changed. I'm running a 3 in the back.
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeNovember 1st 2013, 9:35 pm

craftsman drag race mower Image16   here's the picture of the fenders. I welded in supports for the seat so it won't break. I need to remount the fenders in their new spot for when I lower the mower. I'm going to paint them a Lamborghini green or sublime green.
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeNovember 1st 2013, 10:20 pm

looks good! can't wait to see some videos!cheers 
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Speedfreek241
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeNovember 1st 2013, 11:28 pm

craftsman drag race mower Image17 what do u think about this color blue with matte black accents?
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willis923
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeNovember 1st 2013, 11:29 pm

that shroud looks like it needs some serious attention
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeNovember 1st 2013, 11:29 pm

The result of paint stripper
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willis923
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PostSubject: Re: craftsman drag race mower   craftsman drag race mower Icon_minitimeNovember 1st 2013, 11:30 pm

Speedfreek241 wrote:
what do u think about this color blue with matte black accents?
 its interesting, to say the least.. i'd go a bit darker so it dont show dirt as much. i do like the general scheme though
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