Lets Look at a Bulldozer!

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No turrets, no totems, no illusions, no stickies. And yet someone takes Bulldozer and not only that - also levels it. I've seen that more often that I would like to.

The Bulldozer

From newbie in my community where most of people don't understand English or even don't read the info: "Bulldozer's picture look like a gun, so they thought Bulldozer increase their firepower". From newbie in my community where most of people don't understand English or even don't read the info: "Bulldozer's picture look like a gun, so they thought Bulldozer increase their firepower" Owww That makes some sense.

Weird one, but at least there is a reason. Stupid one, but still. Thanks for the enlightenment :.

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Considering that I'm partially dyslexic, I've misread Bulldozer and thought it would increase damage of deployables. So it would increase Barik's turret damage output, Gohk healing, Yings healing, so on so forth. In this way layer by layer of the subsurface could be investigated by a present rover, and with a much larger area then that of a hole drilled by a rover alone.

Of course the bulldozer would need much more energy storage capacity, more like that of an electric sports car, to do it's job. But it needs only to work for less than an hour a day because the present rover will have enough new material to investigate for the rest of the day. So if the bulldozer has a 10 kW engine, it needs not more than 10 kWh energy a day. So because much more information about the historic past of Mars can be obtained by breaking up and removing the subsurface, why not use the assistance of a bulldozer?

It is believed that large quantities of water and carbon dioxide ices remain frozen within the regolith in the equatorial parts of Mars. An intelligent bulldozer could prove this believe to be true! A bulldozer would not be very useful.

Let's Play Gold Rush The Game #33: The Bulldozer!

Ever tried using a shovel to scrape a thin layer of dirt off pavement? That doesn't work very well.

The mechanism of a bulldozer

A 2-ton bulldozer can't break rock, so its blade will scrape the surface of the regolith. Let's look at the Bobcat E10 , the first small excavator I found. It weighs 1 ton and has a 7 kW engine. To power it, you'd need either large solar panels, batteries and a charging station which would limit the vehicle to a few days' driving range , or nuclear power. Curiosity's RTG produces W, you'd need 70 of them for a total weight of 3 tons.

Keeping it personal can lead to

NASA is working on a higher-power nuclear source, but the Kilopower project is in a very early stage. Running a 7 kW engine for 10 hours on batteries means a 70 kWh battery, and that's a few hundred kg comparable to the batteries used in current electric cars. Firstly, a bulldozer would be heavy and thus expensive to get to Mars. We don't know how competent the regolith on Mars is in various locations. If the bulldozer isn't strong enough it will achieve little.

Search Equipment

A bulldozer might work well if the top of the bedrock is relatively flat, but there may be issues if it is undulating or corrugated. The other issue I have is that regolith is important too and it has a story to tell and significant data can be extracted from it. Clearing away regolith in bulk, without having properly investigating the regolith, is not a good exploration technique. Something significant may be destroyed and data lost or compromised. A bulldozer may be useful to remove large volumes of regolith.

But to take samples from ground, you only need to drill a small hole. You don't need a bulldozer to do this, a rover equipped with a drill and may be a small shovel on a robotic arm will do. It is possible to take several samples in close or larger distances just as necessary. On Earth geological surveys of a place to build a large building don't use a bulldozer to examine the ground, they use a drill to see what is below surface.

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Home Questions Tags Users Unanswered. What are the drawbacks using an intelligent bulldozer on Mars for the assistance of a rover? Ask Question. Conelisinspace Conelisinspace 1 1 gold badge 8 8 silver badges 39 39 bronze badges. Are you asking if there are plans to send a bulldozer to Mars, or whether it's a good idea?

What would power this Mars-dozer anyway? The only value I see for a bulldozer is in constructing something, not in science. Mars exploration is not limited by how much dirt we can move quickly.

It is limited by: the necessity to understand what we're looking at, so we can make sense of the data we receive the necessity to get data in the correct context, by working systematically: first understand the surface, then drill so we can see what's underneath the need to do everything under remote control, with too much delay to be able to do it live, so everything the rover does has to be planned and scripted.

Geology doesn't change 'quickly': if you take one sample, it's not necessary to take another sample right next to it.