Cyber Lawnmower .com

Hey. I have a 2 speed 1998 craftsman and was wondering if i could amp this puppy up to decrease lawn mowing time. thanks

A turbo will most likely bend a con rod in such a small engine so be careful..They are only aluminium and quite light and thin.. You can take out the main jet and drill it out maybe .25mm then re tune the fuel air mixture to suite..This will give you more grunt immediately.. Also try high octane fuel..

2009-08-29 14:06:18 by chinga tu pinche

My brother had to make this for his engineering class. I#39;m not sure what he did or how he did it, but I do know he used a snowmobile tranny ...

i have a 1976 wheel horse with a 10 hp briggs and stratton and i was wondering if i could get a turbo to bolt up to it and how hard it would be to plum the lines and get it set right.

I'm sure it's possible to build something to fit, but I don't think that the engine will put out enough exhaust pressure to turn the turbine fast enough to give you any benefit, also your engine is probably fairly high compression so you may overboost it, if it does work.

2009-03-24 12:35:20 by 1950BUICKSPECIAL

I want to connect a turbo to a 6hp motor because i want to use it for my off road buggy. I want power and speed so can anyone tell me how to modify it without braeking it apart or injuring myself.

Look at this....

http://videos.streetfire.net/video/turbo -2-HP-Briggs-and_40659.htm


Looks sorta doable. Obviously that particular turbo looks a bit too big for that engine, but you are screwing around, I would hope that means you got some spare pieces in case you blow something up while "learning" how to do it right.

The most important safety piece on a turbo is a "waste gate", which is a valve that blows out extra boost that would otherwise over-rev the turbo.

And what I should note is that because you will mostly have the opportunity to find and work with Turbos that are "too big" for your application, they will spin slower than and produce less boost than their typical design limits so this probably isn't horribly dangerous. Also industrial Briggs type powerplants are typically low on compression and can handle some boost. And with a waste gate set around 5psi that limits how much damage you can do.

2009-01-09 20:01:46 by Tinklerhomer

and pump air to power engine its only a single cyl

id say that "lag is more the result of inertia in the wheel/shaft assembly curious George. if the wheels/shaft had no inertia there would be no lag aside from the inertia of the air itself. still i agree, the amount of energy from the exhaust of your B/S won't be very much at all even though its got a lot of valve overlap. if you found a turbo designed to make a total of about 20-30 hp on a gas engine it would work id say. but im thinking what you have is made for like 70-100 total HP at least. thats a good way to match turbos, if you have two turbos that are rated to do 150 hp each on say a 2 liter gas engine, they will work well for a 4 liter engine making 300 hp. over simplification yes but a good general rule.

i feel i should give some alternate ideas also though. ive been building engines like that for some time and found supercharging very frustrating usually. one issue is that its hard to find a small air pump as you know. smallest pump ive found thats made for this sort of thing was a roots blower, 480 cc per revolution. just small enough for what you have(sorry i can't sell it to you). a better bet is nitrous oxide. very easy compared to supercharging and can give very good gains for short bursts. trying to increase the power with supercharging is unwise on something like that due to the fact that all that extra heat of combustion that can't be turned into power must be dissipated. with air cooled engines thats tough. switching to methanol fuel works but is not for most people. there are other options too but most people find a bigger engine like a twin piston to be the best solution from a cost/reliability point of view. good luck with your experiments, email me if you want more advice.
i did once use a "smog pump" from an RX7 to blow a briggs 5 hp at 15 psi boost. it worked but i found it too unreliable/finicky.
edit: just remembered my friend once modified a vaccum cleaner to supercharge a B/S also, it worked ok as i remember and made like 3 psi or so.

2009-09-12 01:18:13 by Corey

I cut off the broken cable and reconnected the remainder of the cable in the same way the original cable connected, checked the fuses etc and plugged it in but it's dead. Any clues? It's an Electrolux Flymo Turbo Lite 330.

The mower was probably plugged into a GFI outlet. Most outdoor outlets are protected by a GFI somewhere in their path. If the outlet has a Reset button on in, firmly push that button in to correct the problem. If your fuses/breakers are all ok (you have to turn a circuit breaker all the way OFF then back ON to reset it), you should be back in business.

2008-05-15 02:10:32 by tomb0y0