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speed

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  1. S

    Battery powered golf trolley.

    I am flogging my battery powered golf trolley. It has twin 250w drive motors, brand new (year old) 33ah battery goes for miles. It is remote control but i have never had a remote for it. It is as quick as fcuk has 4 speed settings and i cant keep up on any higher than speed 2, anti wheelie bar...
  2. 1

    Combo or drill driver

    Hi there looking at getting a new drill not sure if to go for a combi drill or drill driver, please advise me your help appreciated
  3. T

    Three speed fan control installation

    Hi, I am attempting to fix a friend's 18" pedestal fan, and I can't find which wires go where on the control. The cables were already disconnected when I got the fan. The fan's brand is SilverPoint. I have Red (or Pink), Green, Grey, Yellow, and White cables the come from the motor to the...
  4. M

    How do I speed up on site?

    I am really slow when it comes to practical, if I try to go fast I make more mistakes but if I go at my normal pace I'm behind everyone else. I have an the 2330 level 2 practical exam soon, they said that slow people will might not finish in time. I really don't want to resit a very expensive...
  5. M

    too much speed for switches

    Hello everyone I need help if possible I have a revolving disc....outside of this disc on static ground i have a series of switches around the outside of the disc...the disc needs to spin at 1000 rpm. problem...the switches are burning out and melting...and the system is only 12 volt. the...
  6. D

    MVHR Dual Speed Fan Control Problem

    Hi All, Any advice on this topic would be very much appreciated as I have hit a brick wall on this. I am installing a Mechanical Ventilation System into a domestic property, which for those who don't know is basically a whole house ventilation system that takes out stale air and draws in fresh...
  7. K

    Steel trunking

    Hi guys. Have you seen this? http://www.youtube.com/watch?v=owLiV1m2dlQ New Salamandre trunking from Legrand. Is time of the essence when you're on a job? Has anyone tried the new trunking? There is a roadshow going on at the moment where you can try out the new system. Fastest fitter wins...
  8. S

    fans and speed controllers

    been wiring up fans and fan speed controllers today in a commercial kitchen, from the speed controller ther is a 4 core cable up to fan isolator switch then 4 core to the fan ( brown, black and grey + cpc) is there a specific order in which these cable should go in the connections, coloured tape...
  9. W

    speed control question

    hi guys have a question on the speed control of a fan. was told to instal a speed control for a fan. the speed control was varying the voltage off the fan from 230, 110, 80, but i cant understand how a 230 fan would not burn out running on lower voltages and when measuring the amps at different...
  10. S

    Help with a 3 phase star delta motor

    I have been called out to replace a DOL starter that somebody fitted last year, It controls a 3 phase motor on an extraction unit. The customer has said that the fan used to start slow and then after 10 secounds it would speed up to full speed. The electrician that changed the starter replaced...
  11. B

    ESC for car battery?

    Hi all, I am relatively new to electronics. I am building a device which uses a car battery to power a starter motor. The system is remote controlled and I want a suitable ESC to enable me to control the motor. What ESC should I use? Thanks,
  12. D

    electronic speed controls

    i'm fitting a couple of small controllers- about 2amp each connected to fans are these generally ok on rcd protected circuits thanks
  13. A

    vortice fans without speed controller

    Was asked to do away with a speed controller for a vortice 23 9 ar wall fan. The customer just wants the fan to work straight from a switched spur. I have taken out the speed controller and there is a 4 cores going to the fan. I know which the neutral is and have identified the L1, L2 & L3...
  14. telectrix

    Fan Speed Controller HELP

    Hi, anybody come across a Roof Ljnes Fan speed control. it's controlling a pub kitchen extrasctor ( above the range), or was until it burnt out. is there a generic one to replace it, or does it have to be matched to the fan. for info, it's single phase, wired in 1.5 off a 6A MCB,
  15. C

    fan speed controller

    i have got to wire a fan speed controller and i have wired a supply to it via a spur but i am not fully aware of the connections inside the speed controller, the connections are obv live and neutral in and then 4 more connections which are (fan neutral, exhaust L, intake L, and shuttle L, any...
  16. R

    Average Speed Cameras

    Anybody got prosecuted or know of anyone that has been prosecuted for speeding in a average speed camera zone. Was driving home today on the M25 (east) and doing 52 mph in a 50 mph zone according to the satnav (speedo was saying 55) and was overtaken by some bloke in a RS4 driving like a muppet...
  17. M

    Goodwood festival of speed tomorrow

    Ok, so no work on tomorrow and got given a free ticket for tomorrow. I suppose walking around with a sandwich board advertising may be a little extreme and awkward at times. Worth going as nothing better to do.:D
  18. Mr Mark Sparks

    speed cameras

    hi people need updates for your navs? to subscribe to the data base through garmin was 99 quid i found this site it seems to cover most makes and models of navs hope it helps someone ive now done mine and it has added a new camera in my area it seems upto date. SCDB.info - The European Speed...
  19. D

    Bosch GSR 10.8V-L1 driver

    Bosch GSR 10.8V-L1 I bought this about a year and a half ago and it’s been a brilliant addition to my toolbox. It’s extraordinarily powerful for its weight and size, very controllable, and the battery seems to go on for ever. There’s a very precise variable speed trigger, 10 stage clutch, a...
  20. B

    Cordless drill performance

    My Makita 12v combi drill, which is probably around 5 years old, seems to have less power than it used to. When the batts are fully charged they give 14.08 volts, but when the drill trigger is pressed, rather than spinning right up to speed, the motor seems to gradualy build up to full speed...

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