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FER-12 · Railway

Verification of safety against derailment on twisted track

Calculation of the Y/Q ratio on twisted track under the conditions of EN 14363, for vehicles and on-track machines.

EN 14363EN 14033-1
Proven service: established method, fixed price and delivery. If your case falls outside the standard or you need help choosing the right service, request a consultation or call +39 333 829 7733.

Description

Safety against low-speed derailment on twisted track is checked under the conditions of EN 14363: track twist, curve radius, wheel load variation and the ratio between lateral force and vertical load.

What it includes

  • Torsional stiffness of body and suspension
  • Wheel unloading on twisted track
  • Y/Q ratio and comparison with the limit
  • Report for the technical file

What we need from you

  • Suspension characteristics
  • Masses and centres of gravity
  • Wheelbase, bogie centres and track gauge

Data is sent after the order confirmation, by email or with a sharing link. On request we sign a non-disclosure agreement before receiving the files.

What you receive

Calculation report in PDF

Not included

  • Twist test on the vehicle

These activities can be added with a dedicated quote.

How ordering works

  1. Request the pricePress «Get the price», choose the options and send the request: it is free and puts you under no obligation.
  2. Receive the priceWe send you the price of the service and the delivery time by e-mail, with the options you chose.
  3. Payment and dataYou pay by bank transfer and send the input data: the delivery days start from here.
  4. DeliveryYou receive the report in PDF and the agreed files, with an electronic invoice.

FAQ

Is the price really fixed?

Yes, for the scope described on this page: the price stated in the offer, plus VAT, including the options you selected. If the data you send show work that differs from the standard one, we tell you before starting and you decide whether to go ahead with a dedicated quotation or to cancel at no cost.

How do I pay?

By advance bank transfer, on the basis of the offer you receive after the price request. Work starts when the payment and the input data have been received.

When will I receive the work?

Within 10 working days of receiving payment and all the required data; with the urgent option the time is halved.

Can I order as a private individual?

Yes. The offer also states the price including VAT, and as a consumer you have the right to withdraw within 14 days under the terms of sale.