I am final year and for my final year project I need to ask owners of off-road vehicles what their requirements are and how their vehicle performs off-road. I have developed a questionnaire that will help me to extract the information that I need.
Could you please take a minute or two to fill the questionnaire. Thank you.
1. Vehicle Details:
1.a Make: ………………………………………………………………………………………………………
1.b Model: ………………………………………………………………………………………………………
1.c Tyres fitted: ………………………………………………………………………………………………
1.d Engine: ……………………………………………………………………………………………………
1.e Transmission type: ………………………………………………………………………………………
1.f What options have been fitted? ……………………………………………………………….……….
1.g Is your vehicle? Standard [ ] Modified [ ]
1.h If modified, what has been modified?
2. Is your vehicle equipped with the following?
1. Low Range Gearbox Yes [ ] No [ ] 6. Disconnectable Anti-Roll Bars Yes [ ] No [ ]
2. Central Locking Differential Yes [ ] No [ ] 7. Electronic Aids Yes [ ] No [ ]
3. Front Locking Differentials Yes [ ] No [ ] 8. Off-Road Tyres Yes [ ] No [ ]
4. Rear Locking Differentials Yes [ ] No [ ] 9. Solid Axles Yes [ ] No [ ]
5. Active Anti-Roll Bars Yes [ ] No [ ] 10. Under Body Protection Yes [ ] No [ ]
2.a With the equipment ticked as Yes, which are the most important for driving off-road?
(State the number of all that apply)……………………………………………………………………………
3. Driver Details:
3.a Gender: Male [ ] Female [ ]
3.b Age Range: 17 – 25 [ ] 26 – 35 [ ] 36 – 45 [ ] 46 – 55 [ ] 56 – 65 [ ] 66 + [ ]
4. What country do you live in? …………………………………..........................................................................
5. Do you do any off road driving with your vehicle?
Yes [ ] No [ ] If yes then is it for: Work [ ] Pleasure [ ] Both: [ ]
5.a How frequently do you drive off-road?
Less than once a month [ ] Once a month [ ] Twice a month [ ] Once a week [ ] More often [ ]
5.b Tick all types surfaces you encounter:
1. Dirt / Gravel Rough Roads [ ] 2. Mud / Ruts [ ]
3. Rock / Boulders / Very Rough Terrain [ ] 4. Sand Dunes [ ]
5. Settled Snow and/or Ice [ ] 6. Wet Grass / Meadows [ ]
7. Off-Road Wading (when water covers any of the above) [ ]
5.c How satisfied are you with the overall performance of your vehicle on the surface(s) ticked in Q 5.b?
(On a scale of 1 to 10, one being worst, 10 best)
Surfaces Satisfaction (1 to 10)
6. What vehicle requirements do you feel are needed for off-road driving?
(E.g. Ground clearance, locking differentials, permanent 4-wheel drive, under body protection etc)
(List as many as possible)
7. What, in your opinion, is the most important terrain characteristic(s) needed for off-road vehicles in the country stated in Q 4?
(E.g. Dubai – Performance on sand, Sweden – Performance on snow/ice etc)
All questions below are asking about your vehicle’s performance off-road.
8. Engine Characteristics:
8.a How easy is it controlling vehicle speed using the accelerator pedal?
Very Easy [ ] Easy [ ] Manageable [ ] Difficult [ ] Very Difficult [ ]
8.b How does the torque respond under a sudden change in demand?
Very Slow Reaction [ ] Slow Reaction [ ] Good Reaction [ ] Quick Reaction [ ]
Very Quick Reaction [ ]
8.c What is the throttle response like?
1. Very Sensitive [ ] 2. Sensitive [ ] 3. Good [ ] 4. Heavy [ ] 5. Very Heavy [ ]
8.d Which is ideal? (State Number): …………
9. Have you modified the suspension? Yes [ ] No [ ] If Yes, then:
9.a What is the estimated increase in ground clearance? (Inches)
1 [ ] 2 [ ] 3 [ ] 4 [ ] 5 [ ] 6 [ ] 7 [ ] 8 [ ] 9 [ ] 10 + [ ]
9.b What is the estimated increase in the suspension travel? (Inches)
1 [ ] 2 [ ] 3 [ ] 4 [ ] 5 [ ] 6 [ ] 7 [ ] 8 [ ] 9 [ ] 10 + [ ]
10. How easy is it to switch between 2-wheel drive and 4-wheel drive?
Very Easy [ ] Easy [ ] Ok [ ] Difficult [ ] Very Difficult [ ] N/A [ ]
11. How easy is it to operate the differential locks?
Very Easy [ ] Easy [ ] Ok [ ] Difficult [ ] Very Difficult [ ] N/A [ ]
12. How easy is it to select low range?
Very Easy [ ] Easy [ ] Ok [ ] Difficult [ ] Very Difficult [ ] N/A [ ]
13. How would you rate the response of your vehicle’s braking system?
Too Weak [ ] Weak [ ] Just Right [ ] Strong [ ] Too Strong [ ]
14. How much wheel spin is experienced?
Too Much [ ] A lot [ ] Some [ ] Very Little [ ] None [ ]
14.a How well is wheelspin controlled?
Very Easy [ ] Easy [ ] Manageable [ ] Difficult [ ] Very Difficult [ ]
The following sets of questions are about towing.
15.a What equipment do you use for towing? ………………………………………………………………………
…………………………………………………………………………………………………………………………........
15.b What do you usually tow?
Small Sized Trailer [ ] Medium Sized Trailer [ ] Large Trailer [ ] Horse Box [ ]
Caravan [ ] Boat Trailer [ ] Other ………………………………………............
15.b.1 Is this? Single Axle [ ] Double Axle [ ]
Braked [ ] Unbraked [ ]
15.c How frequently do you tow?
Less than once a month [ ] Once a month [ ] Twice a month [ ] Once a week [ ] More often [ ]
15.d Do you tow: On-Road [ ] Off-Road [ ] Both [ ]
16. Does your vehicle have Hill Descent Control (HDC)? Yes [ ] No [ ] If Yes then:
16.a What speed does your vehicle descend at? (mph)
1 [ ] 2 [ ] 3 [ ] 4 [ ] 5 [ ] 6 [ ] 7 [ ] 8 [ ] 9 [ ] 10 + [ ]
16.b What are your opinions of this speed?
Too Slow [ ] Slow [ ] Just Right [ ] Fast [ ] Too Fast [ ]
16.c Can you adjust the descend speed? Yes [ ] No [ ]
If Yes: 16.c.1 How easy is it to control descend speed?
Very Easy [ ] Easy [ ] Manageable [ ] Difficult [ ] Very Difficult [ ]
16.c.2 How happy are you with the available speed range?
Very Happy [ ] Happy [ ] Satisfactory [ ] Disappointed [ ] Very Disappointed [ ]
16.d How easy is it to operate HDC?
Very Easy [ ] Easy [ ] Ok [ ] Difficult [ ] Very Difficult [ ]
16.e In your opinion, what is the level of noise generated by HDC?
Very Noisy [ ] Noisy [ ] Tolerable [ ] Quiet [ ] Very Quiet [ ]
16.f In your opinion, how does HDC react when in use?
Deceleration Too Aggressive [ ] Deceleration Is Aggressive [ ] Ok [ ]
Slow To Cut In [ ] Too Slow To Cut In [ ]
17. How well do the seals stop water entering the cabin when wading?
Large Quantity Of Water Enters [ ] Some Amounts Of Water Enter [ ] Cabin Is Water Tight [ ]
17.a Do the tyres fitted provide sufficient grip when wading? Yes [ ] No [ ]
18. What could manufacturers do to improve the performance of off-road vehicles?
19. Finally, are there other comments that you would like to make about your vehicle’s performance off-road?
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