The Gearbox: What Makes The Wheels Turn

There are two ways of looking at a gearbox and it depends totally on the user. Generally gearboxes are classified by their ratios. There are additional characteristics in regards to the numerous types of drugsboxes that are more technical than I want to get into at this stage.

Suffice it to say we wish to slim down the types of ratios available to the Hobbyist which can be direct, easy and straightforward to observe for the newbie to the skilled hobbyist.

We are dealing primarily with Brass Steam Locomotives and the original gearbox that came with the engine versus replacing the gearbox with better equipment. Ratios range from very sluggish to high speed. Over the last 50+ years gear boxes haven't necessarily been standardized. The general ratios are 27:1 or 28:1 for high velocity and 36:1 or 37:1 for low speed. Nonetheless, a few of the locomotives produced in Asia came with odd ball ratios of 41:1 which made the engine crawl at best.

The gearbox alone dose not necessarily make the engine run faster or slower. It depends on the Can Motors rpm values and torque values. For example, if I wished a 2-10-2 locomotive to run at scale customary speed with a load I'd selected a gear ratio of 28:1 and a can motor of 12.5 rpm with a superb torque value. Generally the size of the motor will decide the torque value. Most can motors will fit in a 2-10-2 locomotive. This is a prejudicial choice and isn't essentially the desire of anybody hobbyist. I favor the 27:1 or 28:1 ratio gearbox with the correct Can Motor to regulate engine speeds.

The opposite ingredient that is essential for this system to work is the gear situated on the principle driver of the steam engine. This gear is the same ratio that you'd select for you gearbox. The gearbox really rides on the principle driver gear. With out moving into the particulars of the Can Motor to the gearbox it ought to be noted that the motor shaft to the gearbox shaft should be stabilized so the gearbox doesn't spin round the principle gear. That's the technique of attaching the 2 collectively to incorporate the power to gearbox mechanism. In another article, I will explain the drive shaft particulars and the types of mechanism which are available to accomplish this task.

It needs to be noted that there are producers of substancesboxes and the like who have catalogs to help you decide the type of substancesbox you're looking for. I wish to make it clear that for instance, a 28:1 gearbox may have a number of traits about them that make for various uses for different engines. This is where the catalog is available in as very helpful reference guide.

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