{"id":2730,"date":"2024-01-29T15:54:19","date_gmt":"2024-03-21T10:11:22","guid":{"rendered":"https:\/\/prometeomeccanica-products.com\/gamma-prodotti\/gearbox-c514-panda-4wd\/"},"modified":"2024-03-28T11:31:39","modified_gmt":"2024-03-28T10:31:39","slug":"cambio-c514-panda-4wd","status":"publish","type":"product","link":"https:\/\/prometeomeccanica.it\/en\/gamma-prodotti\/cambio-c514-panda-4wd\/","title":{"rendered":"Panda 4WD mod. 169"},"content":{"rendered":"

FRONT AUTOBLOCKING DIFFERENTIAL FOR PANDA 4×4 mod. 169<\/span><\/p>\n

This device consists of a helical gear differential: it has the characteristic of being able to lock progressively up to 35 percent on pull<\/strong> and 25 percent on release. An attempt was made to limit the percentage in release so as not to affect the functionality of the abs during braking.<\/span><\/p>\n


\nHow does a self-locking differential work? First, let’s consider the operation of our Panda’s standard front differential.<\/span><\/p>\n

\"\"<\/span><\/p>\n

Differential is a device able to share the torque coming from the gearbox in two exactly identical halves, irrespective of wheel speed difference on the same axle. So, as you can see in the image, said 100 (arbitrary units) the torque coming to the differential, every wheel will receive a torque of 50.<\/span><\/p>\n

There is another important factor to be taken into account: the grip of the tyres to the ground. Torque can be unloaded to the ground until grip limit of the wheel<\/strong>; this limit is proportional to the load rate acting on the wheel and to the grip factor, which is strictly dependent from soil condition, as well as tyres, obviuously.<\/span><\/p>\n

Thus, if either of the two wheels on the front end ends up in an area of reduced grip (in mud, for example), the torque on the ground that can be discharged by the wheel in question is reduced, as the wheel itself reaches the skidding condition. Due to the standard differential feature said before (mechanism sharing in equal parts the coming torque), the same (low) torque value will go to the other wheel, although it would have a good grip to the ground.<\/span><\/p>\n

\"\"<\/span><\/p>\n

As you can see in the previous picture, said 20 the slipping limit of front left wheel, right wheel cannot do nothing better than unload 20 to the ground. So whole traction of front driveline reduces to 40, significantly less than 100 of previous example.<\/span><\/p>\n

If we install Prometeo self-locking differential<\/strong> removing the standard one, traction is improved. Let\u2019s see how and how much.<\/span><\/p>\n

First of all, in condition of good and uniform grip, self-locking differential behaves as an open differential, as shown in the following picture.<\/span><\/p>\n

\"\"<\/span><\/p>\n

However, if one wheel loses grip, the self-locking differential transfers more torque to the other wheel. Therefore, the total torque discharged to the ground by the front axle is higher than that discharged to the ground by a common differential.<\/strong> Following picture is very explanatory of the way of working.<\/span><\/p>\n

\"\"<\/span><\/p>\n

The 35 percent blockage rate is the best compromise found through the many tests performed on different surfaces. Don\u2019t forget that an excessive locking rate would make the car too understeering in normal drive, with consequent troubles to the driver. On the other hand, a too small locking rate would have reduced self-locking differential advantages, making it substantially unuseful.<\/span><\/p>\n

With the Prometheus Self-Locking Differential for the front of the Panda 4×4 we achieve the following important results:<\/span><\/p>\n

-In normal driving on asphalt and good-grip surfaces, no difference in driving is felt compared with the standard differential;<\/span><\/p>\n

-If the ground becomes slippery (ice, snow, rain) or the vehicle is used on inconsistent or unstable terrain (mud, sand), the Prometheus differential significantly increases traction on the front.<\/span><\/p>\n

With the Prometheus self-locking differential, you can make a 180-degree turn on asphalt at the speed you want, without feeling the wheels slip… Try it to believe!!!<\/span><\/p>\n

 <\/p>\n

\"\"<\/span><\/p>\n

Fiat Panda 4×4 mod. 169<\/span><\/p>\n

\"\"<\/span><\/p>\n

The kit for sale consists of the differential and the 2 SKF tapered roller bearings that support it<\/span><\/p>\n

\"\"<\/span><\/p>\n

The PROMETEO front self-locking differential.<\/span><\/p>\n

\"\"<\/span><\/p>\n

The differential with sprocket and transmission mounted<\/span><\/p>\n

\"\"<\/span><\/p>\n

The mounting stage on the crankcase<\/span><\/p>\n

\"\"<\/span><\/p>\n

The box with the satellite housings<\/span><\/p>\n

\"\" <\/span><\/p>\n

Differential helical gears<\/span><\/p>\n

\\<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

PANDA 4WD mod. 169<\/p>\n","protected":false},"featured_media":2731,"template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_cat":[79],"product_tag":[87],"acf":[],"yoast_head":"\nPanda 4WD mod. 169 - Prometeo Meccanica<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/prometeomeccanica.it\/en\/gamma-prodotti\/cambio-c514-panda-4wd\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Panda 4WD mod. 169 - Prometeo Meccanica\" \/>\n<meta property=\"og:description\" content=\"PANDA 4WD mod. 169\" \/>\n<meta property=\"og:url\" content=\"https:\/\/prometeomeccanica.it\/en\/gamma-prodotti\/cambio-c514-panda-4wd\/\" \/>\n<meta property=\"og:site_name\" content=\"Prometeo Meccanica\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prometeomeccanica\/?locale=it_IT\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-28T10:31:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.prometeomeccanica.it\/wp-content\/uploads\/2024\/02\/Differenziale_Panda_C514_2WD.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/prometeomeccanica.it\/en\/gamma-prodotti\/cambio-c514-panda-4wd\/\",\"url\":\"https:\/\/prometeomeccanica.it\/en\/gamma-prodotti\/cambio-c514-panda-4wd\/\",\"name\":\"Panda 4WD mod. 169 - 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