sae nis efficycle-2015 technical inspection sheet

Test No.

1

2

3

4

5

Signature of Judge Technical Committee

OK / Not OK

OK / Not OK

OK / Not OK

Checked / Not Checked

OK / Not OK

SAE NIS EFFI-CYCLE 2015

Technical Inspection Sheet

Institute Name:

Team ID: Team Name:

Light Weight Season

4. Teams not having Technical Inspection OK and Brake Test OK stickers on vehicle will not be allowed to participate in any dynamic events.

5. Team not having technical inspection sheet signed by their faculty advisor, will not be considered for participation in main event.

6. Technical inspectors or judges can ask for modifications in vehicle at any stage of inspection or event.

7. For tests mentioned in Sr. No. 1, 2 & 3 maximum 2 attempts will be allowed in main event.

Fr LH Fr RH

Rr

Total (Kg)=

Vehicle

Number

Weight

Measurement

(kg)

(To be filled in

main event)

Name Signature

Driver-1:

Driver-2:

Local TI Done (Y/N)

Local TI Date

To be filled during Local TI

TI-1 Sign:

TI-2 Sign:

Test Attempt-2

Instructions for Teams:

1. Fill all the above details with signatures. Teams will fill the inspection sheet with their comment and send to Alumni Mentors prior to main event.

2. Teams are required to check their Efficycle by themselves as per this sheet prior coming to the event to ensure the compliance with rulebook.

3. In case of any issues related to rule interpretations, first rulebook must be referred. If further required, decisions of Technical Committee will be considered as final.

Captain:

Faculty Advisor:

Attempt-1

Rule Compliance & Safety Inspection

Figure of 8 Test

Electric Drive Inspection

Weight Measurement (Fill table above)

Brake Test

OK / Not OK

OK / Not OK

OK / Not OK

Critical Points C

Light Weight Season EFFI-CYCLE 2015 of 8

S.No.Confirm

Local TI

(Y/ N/ NA)

Confirm

Main TI

(Y/ N/ NA)

1

2

3

4

5

6

7

8

9

10

11

12

Length is recommended to be within 100in. Record actual length.

Maximum Vehicle Weight (without drivers & payload) is reccomended to

be within 160kg. Record Actual Weight.

All steel frame members must be joined to each other using welding.

Bolted members are not allowed.

Efficycle must have only 3 wheels in only tadpole (2F1R) configuration.Delta (1F2R) configuration is prohibited.

Efficycle must have seating capacity of 2 riders and the vehicle should

be able to be driven by both riders simultaneously or alternatively.

Vehicle must be capable to accommodate two drivers each of 6’3” height

and of 115 kg weight (maximum allowable dimension & weight of drivers) .

A. Vehicle Configuration

Local TI CommentTeam's CommentRulebook Parameter

Vehicle must have the arrangement (utility box) to carry 20 kg payload.

Maximum Vehicle Dimensions measured without drivers riding the

vehicle should be 55in x 60in (Width x Height) including all rigid,

movable & projected parts.

Utility box must have the base dimensions 16”x12” and 8" height.

Utility box should be close from top and mounted rigidly on frame.

If the vehicle frame is made up of steel or alloy steel, the bending

strength & bending stiffness of the cross-section must not be less than

bending strength & ending stiffness of 1" dia and 2mm wall thickness

cross section of material having 0.18% carbon.

(Check Calculations and comparision with reference material values).

In case of other than circular section is used in steel frame, the wall

thickness must not be less than 1.5mm even if the bending strenght &

bending stiffness are satisying the above rule.

B. Utility Box

C. Frame

C

C

C


S.No.Confirm

Local TI

(Y/ N/ NA)

Confirm

Main TI

(Y/ N/ NA)


13

14

15

16

17

18

19

20

21

If the vehicle frame is made up of Material Other than Steel, it must

be metal or composite only.

(In all such cases, prior approval of Technical Committee is required,

Check the written mail approval copy regarding material specification,

joining method etc.)

Team must have a material testing certificate for the material used in

frame, which should have material composition and strength cearly

mentioned.

[Material Testing Certificate to be carried in original at main event.]

Beding Strength & Stiffness criteria must be satisfied for material other

than steel too.

(Check Calculations)

All rigid parts of the vehicle must have minimum 8 inch clearance from

the ground. Measurement of the clearance with all parts (pedal, chain,

cables etc) shall be taken in their lowest rigid positions with both

drivers in normal riding conditions. Wheel assemblies or parts directly

mounted to the wheel/wheel hub or parts which can rotate shall not be

taken into consideration.

All the drivers’ body parts, which are not in direct contact with the vehicle,

must have at least 3 inches clearance from the frame in all static &

dynamic conditions.

Both the drivers must maintain the 3 inch clearance comfortably between

each other in all static & dynamic conditions.

The frame should be capable to protect the drivers from the ingress of

debris etc during running on different tracks.

There must be individual seats for both the drivers. Use of cushions or

pads directly mounted on the frame will not be considered as seat.

The frame must be capable of keeping the occupants safe at the time of

collision in case of impacts from Front, Side, Rear or Rollovers.

[Technical Inspectors must take judgement in this regard. Any necessary

changes to ensure the maximum protection may be instructed during technical

inspection at main event.

Teams should justify their method of protection.]

D. Seats & Seat Belts

C

C

C

C

C

C

C


S.No.Confirm

Local TI

(Y/ N/ NA)

Confirm

Main TI

(Y/ N/ NA)


22

23

24

25

26

27

28

29

30

31

32

33

34

35

E. Driver Restraints

Seats must be fixed with frame using bolting applications.

Seats must support the thighs and entire torso (i.e. over full width of

both drivers' torso).

Torso support must end not more than 2 inch below the driver shoulder.

Torso support must be ensured in all static & dynamic conditions.

Side by side seats or Front-Rear seating positions are allowed.

The seating height, measured at H-Point of the drivers in normal sitting

positions) must not exceed 28” for both the drivers. (H-point is located by

line depicting torso and thigh and will be measured from a horizontal plane

passing from ground.)

A member (linear or curved or loop) must be welded to the main frame

which will act as seatback supporting member. Strength of the member

should be ensured by the technical inspector, any required changes may

be instructed.

In case of fixed seats (non-reclinable) the member must be welded just

close to the seatback and no significant gap should exist.

In case of reclinable seats, the seat back supporting member must be

welded at the maximum recline position, & not beyond that.

Shoulder Belts must be mounted minimum 4 inch above the shoulder

level of the drivers.

Lateral Distance of shoulder belt mounting point from the longitudinal

centre plane of the seat must be minimum 8 inch (when measured at 4

inch above the shoulder level of individual driver.)

Longitudinal Adjustments can be provided in the seats. Locking system

must be provided in adjustmeny system.

Each seat must be equipped with 3-point OEM seat belts for individual

drivers. Cam-locks, Shoulder strap, side release button locks etc not

allowed.

Shoulder belts must come across the outboard shoulder of drivers and

should be buckled to the lap inboard.

C

C


S.No.Confirm

Local TI

(Y/ N/ NA)

Confirm

Main TI

(Y/ N/ NA)


36

37

38

39

40

41

42

43

44

45

46

47

48

Battery rating must not exceed 48V, 35 Ah for each battery in drivetrain.

Use of more than 1 battery is allowed within overall limit of 48V, 35Ah.

If the driver train parts are projecting towards front, a metal/non-metal

sheet of sufficient strength and minimum size 24in widht x 18in height

must be provided.

At least 1 push-to-off kill switch must be provided in the proximity of both

the drivers. If not in proximity of both drivers, 2 separate kill switches

should be provided (Rotary-to-off switches or MCBs etc are not

acceptable.)

Mounting of the seat belts must be provided through bolting on tabs fixed

on the main frame.

Head restraint is optional an can be provided as a separate or integral

part of the seat i.e by extending the seatback height. Head restraint can

be extendable in length also.

F. Power & Drivetrain

Efficycle must be driven by human and electric power both

simultaneously or alternatively.

There must be individual powertrains for both the drivers with both single

and dual passenger mode. (i.e. Both the drivers should be provided with

individual pedal drives so that vehicle can be driven by simultaneously or

alternatively by any or both of the drivers).

One PMDC/BLDC Motor of 400 Watt max power output must be used.(Check the output power specified on OEM plate fixed on motor)

OEM plate of motor & specification must be clearly visible and must not

be tampered.

Any kind of speed controlling device must function properly.

Motor cannot be mounted directly on the wheel hub or it cannot be

coupled directly to the axle. (Automotive BLDC Hub motors, if used, must

be mounted with some transmission only).

IC Engine and Solar cell must not be used in the vehicle. (prohibited)

C

C

C

C

C

C


S.No.Confirm

Local TI

(Y/ N/ NA)

Confirm

Main TI

(Y/ N/ NA)


49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

Vehicle Number must be visible from all 4 sides of the vehicle.

College name must be displayed in full or initials with minimum 2in height

at least 1 space which is clearly visible.

A space of 12in x 12 in must be provided on vehicle for display of SAE

NIS and event sponsor logos (when viewed from the front.)

The whole electrical circuit of drivetrain must get dead by pushing the kill

switch.

Efficycle must have College full name or initials (at least 2 inch height)

must be displayed on at least one place which is easily visible from front.

Vehicle Number must be of at least 6” height and 1” line thickness.

Brakes must be mounted on all wheels and not only on the axle/s.

Control of all 3 brakes must be given to at least one driver.

Brakes must be locked in the static condition.(Check by pushing the vehicle in both directions with both drivers riding the

vehicle and all brakes applied.)

In case of hydraulic brakes, bleeding points must be on top side of

calliper.

In non-hydraulic brakes, brake wires must have proper covering.

Steering control must be provided to the right side driver only.

Handlebars, tires etc must have min 3” clearance with drivers' body in

lock-to-lock position. (full steered position in either directions)

Vehicle Numbers should be placed in form of protrusions, cutouts,

reflective stickers of proper colours. Painted numbers are not allowed.

G. Braking System

H. Steering System

I. Vehicle Identification

The wiring & harness must be routed inside the vehicle. All rotary parts &

harness must be covered in a casing such that these do not entangle

with drivers' bodies.

C

C

C

C


S.No.Confirm

Local TI

(Y/ N/ NA)

Confirm

Main TI

(Y/ N/ NA)


64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

Check for any crack etc in the main frame and other parts.

Use of Lock washers or thread sealant is prohibited.

Fasteners must expose at least 2 threads past the nut in all cases.

Allen head bolts must indicate NAS/10.9/12.9 marking on its head.

Slipping of seatbelts from driver's shoulder should not occur in any static

& dynamic conditions.

There should not be any sharp edges in the complete vehicle.

Any member/part, which the riders can entangle with during ingress,

egress and driving, should not be present or removed.

Any part or component must not remove from the Efficycle by itself

during any course of event. Check for such parts.

All moving parts such as chains or belts etc must be shielded along with

the complete periphery.

All wires and complete electrical system must be properly insulated.

L. General Safety

Fasteners must be tight. Use washers etc as per the requirement.

Loose electrical connections must not be present.

J. Driver’s Equipment

Short-circuit/explosion/fire prevention techniques must be implemented

in the electric drive train circuit and batteries, if requirement is felt.

An identification flag of 12in X 8 in (Width x Height) in rectangle/triangle

shape must be provided above the topmost member of the frame. It

must contain Vehicle Number on both the sides.

Cyclist helmet is required for both the riders. The helmet must be

tightened with the integrated belt.

Knee, elbow guards, shoes must be available with both drivers.

All fasteners must be captive (nylon lock nuts etc.)

Fasteners must meet the compliance with SAE Grade 5/Metric Grade

M8.8 or higher grade.

K. Fasteners

C

C

C

C

C


S.No.Confirm

Local TI

(Y/ N/ NA)

Confirm

Main TI

(Y/ N/ NA)


82

83

84

85

86

87

88

89

90

Check for proper mounting of chain drive and wheels. Wheels must not

wobble.

Power accumulation arrangement in human power drives must be

checked. This arrangement should collect the power from both pedal

drives and then should deliver it to the axle to avoid the relative slip

between two drives due to difference of pedalling speeds.(Technical Inspector may ask the team to explain functioning of this

arrangement.)

On-board battery charging system must be checked All connection

should be proper and shielded. It must not affect the drivetrain circuit.

Batteries must be sealed and leak-proof.

Battery Terminal must be shielded with terminal caps etc.

All components of Drivetrain must be properly mounted and should not

project outside the frame.

Brakes should not hinder the rotation of wheels during normal driving.

Electric and brake wires must be properly tied with frame by using nylon

ties etc. Use of tapes, threads and metal wires etc is prohibited for such

purposes.

Check for the proper mounting of seat, pedal, brakes, handle, seat belts.

Local TI / Main TI Comments:

M. Recommended Points (NOT MANDATORY in Efficycle-2015)

C

C


sae nis efficycle-2015 technical inspection sheet

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