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Aerodynamic Teardrop Trailer Case Studies & Trials

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The following Teardrop trailer fuel saving data has been gathered from independent sources including track trials and from real operations.

Customer names are available where permission has been issued.

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Teardrop™ Independent Track Tests

Operation Results

Box Van Teardrop™ Commercial Motor MIRA Teardrop™ Testing (Published 10 July 2008) Track Test - Constant Speed

64 km/h: 15.5% saving
80 km/h: 23.3% saving
85 km/h: 30.3% saving
Average: 23.7% saving

Box Van Teardrop™ Major 3PL: (MIRA track tests)

Constant 90kms/h
Standard Trailer: 29.95 L/100km (9.5mpg)
Teardrop Trailer: 26.63 L/100km (10.6mpg)
- 11.1% Saving Constant 60kms/h
Standard Trailer: 21.91 L/100km
Teardrop Trailer: 20.83 L/100km
- 4.93% Saving
Average 8.02% saving

Curtainsider Teardrop™ Major 3PL: (MIRA track tests)

Constant 83kms/h(52mph)
Standard Trailer: 9.15 mpg
Teardrop Trailer: 11.02 mpg (20.4% saving)
Constant 63kms/hr(40mph)
Standard Trailer: 10.57 mpg
Teardrop Trailer: 11.64 mpg (10.1% saving)
Average 15.25% saving

Box Van Teardrop™ Trailers: Operational Trials

Operation Results
Operator: Marks & Spencer under DHL Contract
Garment Operation: Trunking
16% additional fill
10.14% saving
Multiple Retailer:
Designer Garments/ Soft Furnishings
7.71% to 17.02% fuel saving
Average: 12.37% saving
Multiple Retailer:
Car/Bike Accessories
Standard Trailer: 3.59kms/ltr
Teardrop™ Trailer: 3.87kms/ltr
Best results over 11%
6.36% saving
Multiple Retailer:
Computer Hardware & Accessories
Store Deliveries: No Trunking
Average: 5.5% saving
Major FMCG Retailer:
Garment Operation
Multi-drop to Supermarkets
Average: 12.3% saving
Multiple Retailer:
Garments: MAN 400bhp Tractor
Standard Trailer: 11.45 mpg (4.05 kms/ltr)
Teardrop™ Trailer: 12.6 mpg (4.46 kms/ltr)
Average: 10.04% saving
Multiple Retailer: Value High Street Department Stores
Trunking
Standard Trailer*: 9.30 mpg (3.29 kms/ltr)
Teardrop™ Trailer: 10.43 mpg (3.69 kms/ltr)
Average: 12.2% saving
Contract: Convenience Store Chain.
Standard Trailer: 9.8 mpg (3.47 kms/ltr)
Teardrop™ Trailer: 11.3 mpg (4.00 kms/ltr)
Average: 15.3% saving
Multiple Retailer: Health & Beauty
Trunking Operation
Average from standard trailers: 3.55 kms/ltr
Teardrop™ Trailer: 4.2 kms/ltr
Average: 18% saving
Major Operator: Parcels
Trunking Operation Bradford/Dunstable Mainly M1 (171 miles one-way)

DAF:
Standard Trailer: 9.65mpg (3.42 kms/ltr)
Teardrop™ Trailer: 11.48mpg (4.06 kms/ltr)
18.96% saving Scania:
Standard Trailer: 10.83mpg (3.83 kms/ltr)
Teardrop™ Trailer: 13.07mpg (4.63 kms/ltr)
20.68% saving
Average: 19.82% saving
Major Brand: Electrical Brown Goods Average 7.89%
Major FMCG Retailer: Average 4.5% saving
Multiple Retailer: Catalog Department Stores
(snapshot of best comparison)
15% saving
Multple Retailer: Garments Average 4.03% saving
Multiple Retailer: Baby/Childrens Dept Average 8.2% saving
Multiple Retailer: House & Home Average 16.22% saving
Major 3PL: Technology Arm Average 18.54% saving
Multiple Retailer: Office Products Average 4.75% saving
Multiple Retailer: Budget Homewares Average 11.37% saving
Blue Chip Department Stores Average 4.5% saving
Major 3PL: Parcels
Three trailers tested for fuel efficiency improvements
Standard ECO Box Van | Cartwright ‘Cheetah’ design | Don Bur ‘Teardrop’ design
Same Tractor unit & drivers used | Fixed Loop from Risley | Mercedez Axor
Standard Eco Base Figure: 10.05mpg | Cartwright "Cheetah": 10.9mpg (8.5% saving) | Teardrop Trailer: 11.6mpg (15.4% saving)
Increase in cube from 84.16m3 to 94.74m3 (12.57% increase)
Average 15.4% saving
Blue Chip Multiple Retailer
Runs
Teardrop™ Trailer (km/ltr)
Standard 45ft Trailer (km/ltr)
1 3.89 3.81
2 4.10 3.36
3 4.61 3.31
4 4.38 3.41
5 3.93 3.76
6 4.02 3.47
7 4.20 3.56
8 4.16 3.67
9 4.32 3.71
10 3.89 3.55
     
Average 4.15 3.561
The difference between the two averaged results is 0.589 km/ltr (1.66 mpg).
Average 16.5%
Healthcare Distribution Company Average 10% saving
Current Saving Average 11.26 %

Curtainsider Teardrop™ Trailers: Operational Trials

Operation Results
Major 3PL Consumer Net 5.69% saving
Major Brand: Biscuit manaufacture 8.53% saving
Major 3PL: Beverages 14.7% saving
Multiple Retailer: House & Home 8.16% saving
Manufacturer: Plaster, Plasterboard 5.65% saving
Manufacturer: Plaster, Plasterboard 9% saving
Logistics & Distribution Company
Scania Operation: Standard Trailer 13mpg/ Teardrop 16mpg
23% saving
Bubble Packaging Distribution 14.7% saving
Flour Millers 3% saving
Current Saving Average 10.27%

Teardrop Euro 4m Overall Height

Operation Results

High Value European Operation 48,000km of road trial data 12,850 litres of fuel measured Average Speed 76 kph (47mph). Over 70% of trial @ 85 kph @ 80 kmph Standard Trailer 3.87 km/ltr Teardrop Trailer 4.38 km/ltr Saving: 13.18% @ 85 kmph Standard Trailer 3.85 km/ltr Teardrop Trailer 4.04 km/ltr Saving: 4.94%

Teardrop Euro Trial

13.18% saving

Published: Wed 24 Jan 2024 (Edited: Thu 28 Nov 2024)

Don-Bur (Bodies & Trailers) Ltd

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