12/18/2022 0 Comments Alta redshift mx![]() ![]() The electric motor frees engineers to make design choices they could not make with a gas bike, for example giving the Redshift a uniquely smooth and stable ride on all terrains. Initially suffering from very high weight and low range, successive generations have narrowed the gap, and the performance and maintenance advantages are gaining converts. While electric dirt bikes are still relatively new on the scene, they are evolving rapidly and gaining traction. The Redshift MXR is one of the most powerful and technologically advanced electric bikes, pushing the entire segment forward. These rides are gaining traction, as the technology advances rapidly. Prices start as low as $2,500, with varying features such as battery size and chemistry. Alta’s new electronic bike definitely doesn’t skimp on performance (Source: Alta Motors)Įlectric dirt bikes by other companies include the Torrot e10, the Zero DS and FX models, and the KTM Freeride E-XC. As they boast, an electric dirt bike “requires no air filters, oil changes, or top end rebuilds, so you can spend less time wrenching on your bike and more time riding”. The Alta website promotes it as good for beginning trail and woods use, or as a full-fledged competition motocross bike. The Redshift MXR is designed as an electric equivalent to a gas 350 bike. Then there are the powerhouses like the MXR dirt bike. ![]() Another category resembles a scooter, meant to be faster and more comfortable than a bicycle, but costing more and not practical to pedal without the electric motor. Most but not all of these enable the rider to use it as a regular bike while the motor is off. These drives can be controlled by hand throttle, pedal assist, or a combination, depending on the design of the bicycle. The most common ones operate similarly to traditional pedal bicycles, but with the addition of electrical drives. Several different varieties of electric bike have been invented. Unlike most electric pedal bicycles, however, which are designed to be street legal and have hard speed limits, you can push the Redshift MXR as hard as you and the bike can physically handle. At the very upper end, the bike includes self-limiting speed to prevent overheating the circuitry. The lower power setting offers a gentler ride, and considerably longer range. Riding the MXR, you can choose among four speed settings, similar to an electric bicycle. This explains the excellent traction, the hill climbing ability, and the ability to drift and rear-steer at any speed.An electric bike engine runs much cleaner than a traditional motor (Source: Dirt Rider) The engine braking would drop 16% though.Ħ) In order to beat the Redshift MXR, the 450cc bikes would have to be at WOT, rev above 7,000 rpm, and shift perfectly (which is often impossible).ħ) The horsepower curves are pretty flat, which means that the torque curves are highly digressive. The curve for Map 4 would shift/scale 16% to the right, reducing the power below 30mph and providing approximately the same power as Map 4 above 30mph, the point where the stock Map 3 signs off. No wonder I could not tell any difference between the two bikes in Maps 1, 2 and 3!ĥ) If Map 3 is not powerful enough at the top, but Map 4 is too jerky, then running Map 4 with a 14-tooth front sprocket (13-tooth for the MX) would create a "perfect Map 3", which is placed right between Map 2 and Map 4 through the entire speed range. After 20 mph the MXR in Map 4 is 6-8 hp more powerful than the MX. After 55 mph the MX shows a sudden power drop in Maps 1, 2 and 3. ![]() From 37 to 55 mph the MX is slightly more powerful than the MXR in Maps 1, 2 and 3. From 20 to 37 mph the MXR and the MX are identical in Maps 1, 2 and 3. The power is identical in all maps until about 20 mph If you are not using Map 4, then you are not using the full power of the Alta Redshift. It is way-way more powerful than all other maps (I did not know that! Alta has not told us). After that these two maps are identical.ģ) Map 4 is in a category of its own. A few key observations (more will be added, as they are revealed):Ģ) Map 3 is more powerful than Map 2, but only up until 30 mph. ![]()
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