Grass Hopper II Questions

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samhain005@yahoo.com - 27 Aug 2006 20:40 GMT

Bought one in the box with three batteries, manuals, spare parts etc
with a futaba magnum sport remote pretty cheap at a yard sale today. No
RC expert but it looks fun. Problem is when I put a battery in, whether
the car is turned on or off the wheels start spinning pretty fast and I
have to turn the car on and off and turn the remote on....not sure what
I'm doing but eventually it'll start working properly...just a pain. Am
I doing something wrong or is _something_ wrong? Thanks

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TyBreaker - 27 Aug 2006 21:18 GMT

> Bought one in the box with three batteries, manuals, spare parts etc
> with a futaba magnum sport remote pretty cheap at a yard sale today. No
[quoted text clipped - 3 lines]
> I'm doing but eventually it'll start working properly...just a pain. Am
> I doing something wrong or is _something_ wrong? Thanks

Sounds like the speed controller might need calibrating. I know this is
simple with a mechanical speed controller but I don't have experience
with an electronic one. For a mechanical one, turn on the radio and
then adjust the servo head so that it makes the speed controller point
to neutral. At the moment it sounds like it's pointing to one side or
the other of neutral.

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funfly3 - 27 Aug 2006 23:23 GMT

>> Bought one in the box with three batteries, manuals, spare parts etc
>> with a futaba magnum sport remote pretty cheap at a yard sale today. No
[quoted text clipped - 10 lines]
> to neutral. At the moment it sounds like it's pointing to one side or
> the other of neutral.

make sure you turn the transmitter on first and turn it off last and
make sure the receiver switch is on before plugging in the battery pack,
as what normally happens you run the battery down until the radio gives
up and the car runs round in circles so you chase it unplug the battery,
but the speed control is stuck in the on position, so if you plug a new
battery in the wheels will turn until the servo returns to off which
needs the tx and rx to be switched on

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Model Forum / Radio Controlled / Land Models / August 2006

Grass Hopper II Questions