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Hand Throttle

Submitted: Monday, Mar 01, 2004 at 21:17

Rosco - Bris.

G'Day one and all

Anyone had any experience with hand throttle set-ups for drive by wire jobs.

About to have a leccie hauler fitted to the beast and based upon my observations I understand it's best to tweak the revs up to 1200 or so rather than at idle to maximise alternator output during the tug.

The Fender has a drive by wire throttle control gizmo ....... hang about .... I believe the Nips are going in that direction also .... great copiers aren't they ... ;-)))

Anyway, back to my question ... anyone set one up or know how to ... other than a block of wood. A tad difficult when there's only a couple of 2mm wires between your go hoofer and the donk.

Cheers
Fidei defensor

Rosco
ThreadID: 10927 Replies: 10
Views: 698 FollowUps: 10
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AnswerID: 48808   Submitted: Monday, Mar 01, 2004 at 21:21

Kev - (Cairns,QLD) replied:

"Nips"

Haven't heard that one for a while.
Reply 1 of 10
FollowupID: 310621   Submitted: Monday, Mar 01, 2004 at 21:24

Rosco - Bris. posted:

You know how it is old chap .... have to try to keep the lads under control ... what.Fidei defensor

Rosco
FollowUp 1 of 3
FollowupID: 310635   Submitted: Monday, Mar 01, 2004 at 21:54

Gazza posted:

Would anybody care to translate???

The process I intend to follow is as follows:
1) Measure the range of the potentiometer that is activated by the throttle pedal IE 0 to XX Ohms.
2) Cross check that value with a wiring diagram.
3) Obtain a potemtionmeter of the same wattage at about 0 to (XX Divided by 3) which should produce a maximum handthrottle setting of about one third maximum RPM.
4) Fit the "pot" via a switch that isolates the normal accelerator controled pot from the cct.

NB The switch to change from foot to hand throttle should not be used unless the ingnition is off as there is no way to know how a "spike" introduced by the switch may be interpreted by the ECU (probably poorly)

Given your original question I think it likely that you find an auto sparky to do the work but I think that you need to find one who is comfortable with more than fitting new bits, someone who actually understands electronics.

Gazza
FollowUp 2 of 3
FollowupID: 310648   Submitted: Tuesday, Mar 02, 2004 at 06:23

Rosco - Bris. posted:

Gazza

Thanks mate I thought it may be that complicated .... a block of wood's looking good.

CheersFidei defensor

Rosco
FollowUp 3 of 3
AnswerID: 48810   Submitted: Monday, Mar 01, 2004 at 21:29

Voxson (Adelaide) replied:

Speaka Englais????___________________________________
Simpson trip 05/04 then turn left at Birdsville to Darwin via Lawn Hill etc
___________________________________
Reply 2 of 10
AnswerID: 48816   Submitted: Monday, Mar 01, 2004 at 21:50

Wayne (NSW) replied:

Rosco,

On my first 4WD a 1988 N-ss-n P-th-rf-i--er. It did not have a hand throttle. So with a hand throttle I picked up from the wreckers, I mounted it at the bottom of the dash and connected the cable to the top of the throttle. A little bit of adjustment and I had a working hand throttle.

Might also check out early Defenders before drive by wire and see how they did it.

Wayne

Always Out'N About
Reply 3 of 10
FollowupID: 310639   Submitted: Monday, Mar 01, 2004 at 22:19

Wayne (NSW) posted:

Rosco,

You don't have a lever at the top of the throttle do you? If this is the case the cable would have to be mounted to the floor and attached to the top of the pedal, with the pull or wind knob on the dash.

WayneAlways Out'N About
FollowUp 1 of 1
AnswerID: 48823   Submitted: Monday, Mar 01, 2004 at 22:19

Steve replied:

Reckon that.. I M H O ....a lot of the 'members' on this site throttle themselves by pulling their wire ..not sure what revs they need as I am not a member of the Bulldogs and .....
Reply 4 of 10
FollowupID: 310674   Submitted: Tuesday, Mar 02, 2004 at 12:06

Willem posted:

TROLL......Willem
Little Dip Cons Park S.A.
FollowUp 1 of 1
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AnswerID: 48837   Submitted: Tuesday, Mar 02, 2004 at 02:30

Member - jtb replied:

how often are u gonna winch , go the brick ,but a bit more advanced ,maybe, and u dont want anything going wrong on the big trips do u ,other wise i would talk to LR CHEERS rather be fishing
Reply 5 of 10
FollowupID: 310649   Submitted: Tuesday, Mar 02, 2004 at 06:29

Rosco - Bris. posted:

Jtb

Your 127 long range tank. Does it replace the original and if so does it extend any lower ? Thinking along those lines myself but not keen if it hangs too low.

CheersFidei defensor

Rosco
FollowUp 1 of 2
FollowupID: 310798   Submitted: Wednesday, Mar 03, 2004 at 01:04

Member - jtb posted:

hi rosco yes it replaces the original and is obviously larger but clearance is not to bad, cannot think of what standard unit looked like ,my ball hits first anyway been there , the longranger tank is designed to give u the best entry angles that are possible but i have just found out it is 132ltr ,be sure to change fuel filter just after installation, fitting prices should come with full tank of fuel for testing $$$ then 4-5 weeks later u get to finally put fuel in it , and are over it when u fill the tank $$$$ , the auxillary is filled through underneath drivers seat 80ltr not my cuppa diesel fumes cheers rather be fishing
FollowUp 2 of 2
AnswerID: 48838   Submitted: Tuesday, Mar 02, 2004 at 04:25

Member - jtb replied:

where is the little desert ross ty jtbrather be fishing
Reply 6 of 10
FollowupID: 310652   Submitted: Tuesday, Mar 02, 2004 at 06:53

Voxson (Adelaide) posted:

Just outside of Dimboola / Horsham (vic)___________________________________
Simpson trip 05/04 then turn left at Birdsville to Darwin via Lawn Hill etc
___________________________________
FollowUp 1 of 1
AnswerID: 48849   Submitted: Tuesday, Mar 02, 2004 at 08:55

Brian replied:

Rosco
cut a piece of 2"x1" wood and knotch it at each end.
Then just wedge it up under the dash and to the pedal, simple cheap easy and it worked well on my old SIII.

Brian
Reply 7 of 10
AnswerID: 48863   Submitted: Tuesday, Mar 02, 2004 at 11:32

Willem replied:

Rosco,

Tie a piece of light wire(or whatever) to the accelerator. Feed the wire through the firewall through one of the grommets and out through the front of the grille. Now put loop in wire for finger to go through. Pull finger to get any revs you want while you are using the hauler. Too easy.

My old truck has a built in handthrottle. Maybe the Poms can learn something from the Nips...hahahahaha

Cheers,
Willem
Little Dip Cons Park S.A.
Reply 8 of 10
FollowupID: 310697   Submitted: Tuesday, Mar 02, 2004 at 13:28

Rosco - Bris. posted:

Knew I could rely on you to come up with a pearler ol' mate.

......... ;-))))))))

CheersFidei defensor

Rosco
FollowUp 1 of 1
AnswerID: 48889   Submitted: Tuesday, Mar 02, 2004 at 15:16

Member - Bradley replied:

The idea of the seperate pot for adjusting the voltage signal to the throttle body sounds good, but switch off for change over.. you can get electronic interfaces for the drive by wire systems, like the auscruise system, but cost is about a monkey or so. Block of wood or better yet a custom length of wooden dowell costs less than a beer ..mmmmmmm....beeeeeerrrrrr.

Then again if you have the cool breeze fitted then just switch that on and see what the revs rise to. Just killin time till easter...............go and play in the dirt, instead of workin in it......
Reply 9 of 10
FollowupID: 310718   Submitted: Tuesday, Mar 02, 2004 at 16:03

Rosco - Bris. posted:

A piece of stick's sounding better all the time Homer.Fidei defensor

Rosco
FollowUp 1 of 1
AnswerID: 48937   Submitted: Tuesday, Mar 02, 2004 at 20:19

Wayne (NSW) replied:

Rosco,

When you are winching your self out of a pickle, you would be in the drivers seat, controlling the vehicle with the remote winch switch coming from the control box across the bonnet and in through the drivers window. A light touch of the throttle with the right foot should elimate the need for a hand throttle.

Winching someone else out and your vehicle anchored, the same procedure will apply. You are safer in your own vehicle when winching than out.

WayneAlways Out'N About
Reply 10 of 10