Throttle Assemblies

Introduction

From 4QD, these throttle assemblies can be used to control your 4QD (and some other types) motor speed controller. See also our linear pot where you want to use an accelerator pedal.

Throttle Lever - Part No: 1520-001
This is the lever assembly that is used on our Bell Throttles (see below). It fits only the Special 50° pot, above. The plastic cap can be removed easily when the shaft could be drilled to accept, for instance, a Bowden cable or other linkage.
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Price: £4.50 (Including VAT at 17.5%)
Shipping Weight 0.007 Kg

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Throttle Lever Unboxed Left Hand + Lead - Part No: 1520-005
The 'Naked Bell Assembly' is a finger-tip throttle assembly (speed control mechanism) using the Special 50° pot. It has a spring return to zero and is supplied with a mounting bracket and a vinyl-capped lever. The spring is light operation to minimise finger strain from continuous pressure on an over-strength spring, yet is still strong enough to ensure reliable operation. The lever can safely be bent if a different shape is needed. This feature means that if the lever gets accidentally bent, it can be easily re-shaped!

The mechanism is also quite suitable for use as a position sensor, for instance in a foot operated pedal, where the lever can be operated by an extension of the foot pedal. An application note shows how.

It should also be possible to use this mechanism on a Bowden cable for remote operation.
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Price: £12.60 (Including VAT at 17.5%)
Shipping Weight 0.040 Kg

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Throttle Lever Unboxed Right Hand + Lead - Part No: 1520-006
As per 1520-005 above but for right hand use.
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Price: £12.60 (Including VAT at 17.5%)
Shipping Weight 0.040 Kg

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Throttle Lever Unboxed Right Hand + Lead

Throttle Lever Boxed Left Hand - Part No: 1520-010
The naked assembly, above (1520-005 & 6), is also available boxed. The drawing, (click on thumbnail below), shows the version with the right-hand spring (return is into the body of the box).
The left-hand spring version returns the lever against the box's lid, not into the body.
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Price: £18.00 (Including VAT at 17.5%)
Shipping Weight 0.080 Kg

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Throttle Lever Boxed RightHand - Part No: 1520-011

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Price: £18.00 (Including VAT at 17.5%)
Shipping Weight 0.080 Kg

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Throttle Spring Left Hand - Part No: 1520-020
If you aren't sure which spring will be best, we can supply spare springs.
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Price: £1.20 (Including VAT at 17.5%)
Shipping Weight 0.001 Kg

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Throttle Spring Right Hand - Part No: 1520-021
As per 1520-020 but the right hand version
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Price: £1.20 (Including VAT at 17.5%)
Shipping Weight 0.001 Kg

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Twist Grip Throttle Complete - Part No: 1520-030
A twist-grip throttle suitable for all controllers made by 4QD. 90° twist gives zero to full speed (0-100% of pot travel). It uses 5K pot. It has an integral tube clamp for 22mm diameter tube. The cable supplied is 1.8m long, 3 core 16/0.2mm which is too thick to reliably connect with the IDC connectors we supply.

Note the manufacturers of this throttle (Magura) make at least six other versions of it. This is the only version that is guaranteed to work with our controllers.
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Price: £39.90 (Including VAT at 17.5%)
Shipping Weight 0.210 Kg

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