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You are here: > News > December 13, 2014; 3 am GMT

Larry's Geo Tracker with H.O.P.E. genset gets over 2x stock mileage

This week, I witnessed two tests of Lawrence Sadler's High Output Propulsion Electric system, producing over 50 mpg on the road, even with a clutch that was going out; and over 60 mpg on jack stands (converted to road equivalent).

by Sterling D. Allan
Pure Energy Systems News

I'm on my way back from Florida, USA, having visiting Lawrence (Larry) Sadler of LRS Innovations . He's doing some amazing work. I gave a brief overview of his various projects in our PESWiki feature page about him, which many of you have probably already seen. Since we sometimes update PESWiki pages to keep them current, as a historic archive, I'm going to post below what I wrote on December 10 at PESWiki. 

If you've not already reviewed that, I suggest you do so now, so you can appreciate the stature of this man as a credible inventor with a significant portfolio, including his involvement 40 years ago in miniaturizing integrated circuits. It's also fun to see him tinkering with more exotic free energy technologies including a magnipulse motor (all-magnet motor) and a Van de Graaff electrostatic energy harvesting system. Probably his most impressive technology is his energy storage technology, which isn't yet integrated into his HOPE vehicle, and would boost it's mileage probably by another 10-15 points from the weight reduction and performance, not to mention its potential indefinite lifetime, compared to batteries, which usually have to be replaced every 10-20 years.

This present page is to highlight the H.O.P.E. (High Output Propulsion Electric) vehicle test we did on December 11.


About four years ago, Larry converted a 1996 Geo Tracker, into an electric vehicle. He removed the stock engine, replaced it with a 110 horsepower DC electric motor connected to the drive train. He the used at 13-horsepower diesel engine to turn a super-efficient (93% efficient) alternator to produce electricity to charge the battery bank on-board, to keep them topped off, so on average, when you reach the end of your trip in the Geo, the batteries are fully charged. 

One of the primary components that he came up with in this system is his patent-awarded battery management system, which allows you to charge the batteries in series at the same time you discharge them in parallel. His management system also prevents the middle battery of a battery pack from being overworked between charging and discharging, preventing its overheating and failure.

The system could also be used to plug into your home to power your home.

2011 Dynamometer Test

Larry gave me a copy of the dynamometer data he notated on November 15, 2011 running his Geo with this set-up. They ran it for 20 miles on the dynamometer between 55 and 65 mph, to hold the output load close to 50 amps. Prior to the test, he took the Geo to a vehicle weighing station to get its weight: 2620 lbs. The dynamometer was set for 3,000 lbs, to simulate two passengers, and the make, model, and year of the vehicle were entered into the computer for it to then simulate the rolling and wind resistance as if it were driving down the road. The fuel at the start was weighed at 48 oz, and at the end at 34 oz, which comes to 24 oz of fuel used. The results came to 93.7 mpg.

I've posted (unlisted because it won't really be appreciated without this context) a video Larry took of his dashboard meters during the November 15, 2011 dyno test. The output amp meter on the upper left is essentially unreadable with the glare. The speedometer shows the wheels spinning between 55 and 60 mph during this 42-second sampling.

More recently, Larry switched the diesel engine with a gasoline engine, which isn't as efficient. So the results we got were not as impressive. I keep meaning to ask him why he switched, and why he doesn't switch back. It might be a function of the size.

Our Test

On December 10, Larry took me out for a ride in the Geo. It was running okay until we started smelling clutch; at which point it became difficult to shift. He pointed out that this is a mechanical problem due to the age of the vehicle, and had nothing to do his technology -- just a little Murphy's law in play. On that short run, with a slipping clutch, we measured around 50 mpg, as gauged by the number of miles driven and the amount of fuel required to restore the level of fuel in the gasoline tank.

So what we did for the December 11 test was to put the Geo up on jacks, in fifth gear, which didn't slip, with the objective of spinning the tires fast enough to pull a 30 Amp load to the drive train motor. This would then be compared to the dynamometer test in November 2011, which pulled 50 Amps running around the same speed. However, that plan didn't quite hold true, because on December 11, the speed required to pull 30 amps was 75 mph, whereas the Nov. 2011 dynamometer test ran at an average of around 60 mph (between 55 and 65, the notes said). We don't have that data to see how much it was varying, or how constant or not it was.

In the first part of the December 11 test, we were using one brick to hold the accelerator pedal in place, but the vibrations of the vehicle were causing the brick to move, so it would gradually drop down to maybe 28 amps, at which point we would readjust the pedal.

In the last half of the test, we used two bricks, which was sufficient to hold the accelerator pedal steady, keeping the amps at 30, +/- 0.25.

So any tabulation we get to arrive at an estimate mileage for the test we ran on December will have a fairly significant margin of error. It's not just a matter of multiplying the miles driven by 3/5 (30/50 amps); nor will it be a matter of multiplying by 60/75 to adjust for the different in speed. It seems to me that there is enough difference between these two sets of parameters that we can only get a rough estimate of mileage. 

Given these considerations, here are the numbers we got:
- (Estimate of) Load amperage during first half ~28.5 amp +/- 0.5
- Load amperage during last half ~30 amp +/- 0.25
- Tire speed during first half: ~65 mph +/- 5
- Tire speed during second half: ~75 mph +/- 2
- Fuel used 2.00 L (minus 8 oz found later in the line and carburetor) (+/- 0.025 L)
- Distance traveled (on odometer) 59.8 miles

According to Google:

(8 oz = 0.24 L)
(2 L - 0.24 = 1.76 L = 0.46 gal)
59.8 miles / 0.46 gal = 130 miles/gal
x 3/5 = 78 miles/gal
x 60/75 = 62.4 miles/gal (probably +/- 5)
[I'm not sure about the applicability/accuracy of that last step]

The reality check is that the data we got on December 10 was 50 mpg, with a slipping clutch, so that a portion of the output amperage was going to that friction.

Despite the lack of precision in our protocol and measurements, I'm thinking it is safe to say that Larry's modification of the Geo Tracker easily improves the mileage by well over two-fold from the stock highway mileage, which is around 25 mpg.

Here's a video with some photos from the test Thursday:

Archive copy of PESWiki feature page intro


Compiled by Sterling D. Allan
Pure Energy Systems News
Last updated, December 10, 2014

I'm here with Lawrence (Larry) Richard Sadler, a gifted inventor in Florida, USA.

He has four patents, with a fifth pending. Two of them are phenomenal energy-related inventions. They're not free energy, but are great transitional technologies and tools for when we finally do get free energy technologies to power the future. He's also working on two free energy prototypes: a magnepulse motor and a Van de Graaff electrostatic energy harvester.

One of his patented energy technologies is a H.O.P.E. (High Output Propulsion Electric) vehicle. It's an electric car with on-board generator (genset), so rather than burning fuel in an ICE connected to a drive train, you run a low, 13-HP engine to turn a super-efficient alternator (93% efficient) to produce electricity to power and balance the batteries that power the 110 HP DC electric motor connected to the drive train.

He's able to get 93.7 mpg in his Geo Tracker that usually gets just 30 mpg -- a three-fold increase in efficiency. He's put ~3000 miles in road and dynamometer testing on this Geo prototype so far.

When you're done driving, the battery is not depleted. The 10 kW generating system keeps the batteries topped off. What's really cool about this is that now your car can power your house. You drive home, and plug your house through an inverter into your car as a back-up generator, able to keep your essential functions operating.

He says with optimization, the efficiency could be even greater than that, adding regenerative braking, and aerodynamic vehicle design, and light-weight chassis and body. I'm going to be suggesting that he consider adding an HHO system as well, which could improve the efficiency another 10-15 points.

The other energy-related invention is a unique energy storage system. His prototype stores well over 100 Farads, and at the end of 6 months will still hold 95% of that charge -- unheard of for any capacitor-related storage. Compare that to a classical capacitor, where a 5 Farad system might be the size of a typical car battery. But like a capacitor, it can charge 10,000 times faster than a battery. His prototype pegged a 10,000 amp meter at 32 volts (at least 1/3 a megawatt) for a pulsed output, able to repeat after just 10 seconds, compared to the 45 minutes required for similar existing technologies. It's good for billions of cycles -- essentially unlimited. And the prototype weighs around 100 lbs. Imagine that for your regenerative braking or solar/wind battery array. Its cost is expected to be competitive as well.

Outside of energy technologies, Larry has developed a natural food ethylene converter that he calls S.O.L.E. (Super Organic Life Extender). It is said to extend the life of foods, organic produce, or flowers by three-fold, whether in the fridge, grocery store, or shipping container.

S.O.L.E. Technologies, LLC is a company that specializes in Green Technology products. The Super Organic Life Extender known as the S.O.L.E. system is a revolutionary, cost-saving, bio-friendly system designed to extend the life of fruits, vegetables, and flowers by removing the ethylene gas and airborne pathogens. This patented system works more effectively and efficiently than the ethylene gas removal products that use potassium permanganate.
S.O.L.E. Technologies products are currently being developed and tested with multiple applications for the refrigerated shipping industry, the floral industry, the consumer refrigeration market, the consumer retail market, and the healthcare industries

# # #

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Page composed by Sterling D. Allan
Last updated December 25, 2014




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