aquqzepp spares

breen john · 20th January 2008, 16:16

looking for aquazepp four speed g/box and lever to convert my lt-30 ,no harm in asking

G4SSG · 20th January 2008, 17:13

Quote: (Originally Posted by breen john)

looking for aquazepp four speed g/box and lever to convert my lt-30 ,no harm in asking

hi
its not a true gearbox(mechanical)
the 4 speeds come about by 12 volt > 24 volt
varying the brush angle on the comm
hope this helps
martyn

johnv · 20th January 2008, 18:13

and the LT 30 is 12 volt only. The "high" speed is very inefficient. If you want to mod your zepp to improve speed / range, best to use a PCM controller and keep the brushes in the optimum position.

John

breen john · 27th January 2008, 11:03

Quote: (Originally Posted by johnv)

and the LT 30 is 12 volt only. The "high" speed is very inefficient. If you want to mod your zepp to improve speed / range, best to use a PCM controller and keep the brushes in the optimum position.

John

could you explain this to me in more detail please many thanks

johnv · 27th January 2008, 17:50

Quote: (Originally Posted by breen john)

could you explain this to me in more detail please many thanks

i run my zepp from 48v. this is fed into a pcm (pulse width control modulator) basically a circuit board you can buy. normally you use a pot to control the output voltage setting the speed. The zepp standard speed change is a 12/24v switch and also a gear that moves the magnets in the motor. lower speed position is the most efficient, faster is less efficient. Best to fix the magnets into the position that gives the lowest current draw and use modern electronics to vary the speed.

Your problem with the LT 30 is that you have 2 batteries of dissimilr size connected in parallel, what you need is 24v (or more) from batteries in series, but they need to be of the same size. Also, the LT30 doesn't have any turn switches that can be used to vary the speed.

Your quickest win would be to get new batteries, work out what size you can get into the body (without going over weight) connect them together to give you 2 sets of 12v, the connect these blocks in series to give you 24v. You will see a significant speed increase, but a drop in range.

you could achieve something similar using nimh batteries, but aim for something more moderate, say 18V

John

breen john · 3rd February 2008, 18:54

Quote: (Originally Posted by johnv)

i run my zepp from 48v. this is fed into a pcm (pulse width control modulator) basically a circuit board you can buy. normally you use a pot to control the output voltage setting the speed. The zepp standard speed change is a 12/24v switch and also a gear that moves the magnets in the motor. lower speed position is the most efficient, faster is less efficient. Best to fix the magnets into the position that gives the lowest current draw and use modern electronics to vary the speed.

Your problem with the LT 30 is that you have 2 batteries of dissimilr size connected in parallel, what you need is 24v (or more) from batteries in series, but they need to be of the same size. Also, the LT30 doesn't have any turn switches that can be used to vary the speed.

Your quickest win would be to get new batteries, work out what size you can get into the body (without going over weight) connect them together to give you 2 sets of 12v, the connect these blocks in series to give you 24v. You will see a significant speed increase, but a drop in range.

you could achieve something similar using nimh batteries, but aim for something more moderate, say 18V

John

thank you for the help

20th January 2008, 16:16	#1 (permalink)
breen john New Member Current Rebreather/s: Inspiration Vision Other Rebreather/s: Join Date: Jan 2007 Location: england Posts: 14	aquqzepp spares looking for aquazepp four speed g/box and lever to convert my lt-30 ,no harm in asking
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20th January 2008, 17:13	#2 (permalink)
G4SSG New Member Current Rebreather/s: Ouroboros Home Build Other Rebreather/s: Inspiration Classic Megalodon Home Build Join Date: Dec 2005 Location: UK...Midlands Posts: 62	Re: aquqzepp spares Quote: (Originally Posted by breen john) looking for aquazepp four speed g/box and lever to convert my lt-30 ,no harm in asking hi its not a true gearbox(mechanical) the 4 speeds come about by 12 volt > 24 volt varying the brush angle on the comm hope this helps martyn
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20th January 2008, 18:13	#3 (permalink)
johnv Custom Title Allowed! Current Rebreather/s: Other CCR Home Build Other Rebreather/s: Other CCR Home Build Join Date: Dec 2005 Location: UK Posts: 132	Re: aquqzepp spares and the LT 30 is 12 volt only. The "high" speed is very inefficient. If you want to mod your zepp to improve speed / range, best to use a PCM controller and keep the brushes in the optimum position. John
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27th January 2008, 11:03	#4 (permalink)
breen john New Member Current Rebreather/s: Inspiration Vision Other Rebreather/s: Join Date: Jan 2007 Location: england Posts: 14	Re: aquqzepp spares Quote: (Originally Posted by johnv) and the LT 30 is 12 volt only. The "high" speed is very inefficient. If you want to mod your zepp to improve speed / range, best to use a PCM controller and keep the brushes in the optimum position. John could you explain this to me in more detail please many thanks
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27th January 2008, 17:50	#5 (permalink)
johnv Custom Title Allowed! Current Rebreather/s: Other CCR Home Build Other Rebreather/s: Other CCR Home Build Join Date: Dec 2005 Location: UK Posts: 132	Re: aquqzepp spares Quote: (Originally Posted by breen john) could you explain this to me in more detail please many thanks i run my zepp from 48v. this is fed into a pcm (pulse width control modulator) basically a circuit board you can buy. normally you use a pot to control the output voltage setting the speed. The zepp standard speed change is a 12/24v switch and also a gear that moves the magnets in the motor. lower speed position is the most efficient, faster is less efficient. Best to fix the magnets into the position that gives the lowest current draw and use modern electronics to vary the speed. Your problem with the LT 30 is that you have 2 batteries of dissimilr size connected in parallel, what you need is 24v (or more) from batteries in series, but they need to be of the same size. Also, the LT30 doesn't have any turn switches that can be used to vary the speed. Your quickest win would be to get new batteries, work out what size you can get into the body (without going over weight) connect them together to give you 2 sets of 12v, the connect these blocks in series to give you 24v. You will see a significant speed increase, but a drop in range. you could achieve something similar using nimh batteries, but aim for something more moderate, say 18V John
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3rd February 2008, 18:54	#6 (permalink)
breen john New Member Current Rebreather/s: Inspiration Vision Other Rebreather/s: Join Date: Jan 2007 Location: england Posts: 14	Re: aquqzepp spares Quote: (Originally Posted by johnv) i run my zepp from 48v. this is fed into a pcm (pulse width control modulator) basically a circuit board you can buy. normally you use a pot to control the output voltage setting the speed. The zepp standard speed change is a 12/24v switch and also a gear that moves the magnets in the motor. lower speed position is the most efficient, faster is less efficient. Best to fix the magnets into the position that gives the lowest current draw and use modern electronics to vary the speed. Your problem with the LT 30 is that you have 2 batteries of dissimilr size connected in parallel, what you need is 24v (or more) from batteries in series, but they need to be of the same size. Also, the LT30 doesn't have any turn switches that can be used to vary the speed. Your quickest win would be to get new batteries, work out what size you can get into the body (without going over weight) connect them together to give you 2 sets of 12v, the connect these blocks in series to give you 24v. You will see a significant speed increase, but a drop in range. you could achieve something similar using nimh batteries, but aim for something more moderate, say 18V John thank you for the help
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