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Manky Monkey Motors > Technical Section > Trike Tech > Internal throttle.
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Author Topic: Internal throttle.  (Read 5671 times)
Olds
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« Reply #15 on: November 03, 2013, 07:44:23 AM »
Handlebar section/slide guide.
This took a while.
Starting with a solid bar 19mm Dia, the spigot was machined first, then the bar was bored out 10mm Dia. to depth. This leaves a 4.5mm wall which should give plenty of bearing area for the slide. Not having a mill meant that the slot had to be done the old fashioned way by drilling holes in a line then grinding and filing then burnishing out the rest. The spigot at the end is drilled and tapped to take the twist grip retaining screw.
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Getting older but no wiser! Just using bigger hammers.
The answer to most problems, fire and lots of it.
Olds
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« Reply #16 on: November 03, 2013, 02:30:50 PM »
IT WORKS  Grin 
Temporarily assembled ( but not welded Roll Eyes ) on a piece of tube left over from making the new bars.
Just over 1/2 turn (190 deg. ) gives about 35mm of pull which should be enough. The grip tube has been scored to ensure good gluing of the rubber grip.
Not my prettiest work but you wont see any of it.
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Getting older but no wiser! Just using bigger hammers.
The answer to most problems, fire and lots of it.
merv
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« Reply #17 on: November 03, 2013, 02:40:16 PM »
That's good news, when are you going into production Grin
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Why do every five minute job take all day, and
if it can go wrong it will go wrong
scannerzer
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« Reply #18 on: November 03, 2013, 03:45:03 PM »
Quote from: merv on November 03, 2013, 02:40:16 PM
That's good news, when are you going into production Grin

yep think there'd be a market all right
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Olds
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« Reply #19 on: November 03, 2013, 08:32:20 PM »
No way. Too much effort and I'm supposed to be retired.  Smiley
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Getting older but no wiser! Just using bigger hammers.
The answer to most problems, fire and lots of it.
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