Stress Tests by independent engineers are carried out to ensure the design exceeds the requirements for the capacity.
Every Spitfire Trailer design is submitted to Independent Vehicle Engineering companies for Structural Certification for on road use before going into production.
The measure of a trailer meeting design or specified legal requirements is basically controlled by 3 factors.
The chassis and frame must be designed for the ATM.
The wheels, tyres and suspension must meet the designed or required ATM.
The Coupling must meet the designed or required ATM.
So trailers are usually manufactured in the following category groups:
400kg, 600kg and up to 750 kg are un-braked and for these Spitfire Trailers use our certified 75mm - H Beam design.
All trailers above 750kg need brakes.
This has several advantages to all.
Does it cost more?
Yes... but Not really.
To use our Certified 3.5 Ton designs on all braked trailers uses a bit more aluminium.
But metal alone is not the main cost factor in production today.
It requires the same amount of holes to be drilled, the same amount of bends, the same amount of bolts etc.
The minor cost in the extra metal is our insurance, our safeguard for the best quality product for you and our future.
It is a small price for us to pay and Spitfire Trailers are still extremely competitive with steel trailers.
800 - 3,500 kg Dual Axle Trailer
Spitfire's 800 - 3.5 Dual Axle Boat Trailer is certified and now in production.
Orders placed now will enjoy a delivery in early 2020.
"The design fatigue amplitudes are well below the endurance limits, and therefore, the drawbar is suitable for more than 2,000,000 loading cycles."
Manufacturing to independent engineer certification allows Spitfire Aluminium Trailers to be both strong and light.
Being light increases your payload without the additional cost of going to a higher capacity trailer to carry your load.
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