Cupooterluvr
Hardcore RCTalk User
- Thread starter
- #41
http://www.rccartips.com/rc-transmission-trucks.htm
From the site:
"TIP OF THE DAY - 2 SPEED TRANSMISSION TECHNOLOGY
Q: How does a 2-speed system, work . i have a st-15 from
towerhobbies and i wanted to buy the 2 peed upgrade but i am
curious how it works.
Nicholas Narine
A: Thanks for writing Nicholas. There are two basic design for
2-speed transmission, but both work on the same principle of
centrifugal force. As the motor shaft turns faster (i.e. higher
rpm), there are mechanisms that extend outward, pressing against
and engaging the second gear.
The first design, which I think is the best, is the one by Serpent.
It uses a system similar to a clutch, where the clutch shoes are
forced outwards, and pressures itself onto the second gear.
This engages the second gear. It's hard to explain in words.
Fortunately there are good pictures at:
http://www.mytsn.com/publ/publ.asp?sn=2&pid=6908&exp=90
The second design, which I have in my OFNA and Neo Gas
Touring cars, uses a small metal which extends outwards during
high rpms (revolutions per minute) and "hooks" itself onto the
second gear. I personally do not like this design and prefer the
"clutch shoe" type 2-speed transmission technology.
Hope this helps.
Joel"
From the site:
"TIP OF THE DAY - 2 SPEED TRANSMISSION TECHNOLOGY
Q: How does a 2-speed system, work . i have a st-15 from
towerhobbies and i wanted to buy the 2 peed upgrade but i am
curious how it works.
Nicholas Narine
A: Thanks for writing Nicholas. There are two basic design for
2-speed transmission, but both work on the same principle of
centrifugal force. As the motor shaft turns faster (i.e. higher
rpm), there are mechanisms that extend outward, pressing against
and engaging the second gear.
The first design, which I think is the best, is the one by Serpent.
It uses a system similar to a clutch, where the clutch shoes are
forced outwards, and pressures itself onto the second gear.
This engages the second gear. It's hard to explain in words.
Fortunately there are good pictures at:
http://www.mytsn.com/publ/publ.asp?sn=2&pid=6908&exp=90
The second design, which I have in my OFNA and Neo Gas
Touring cars, uses a small metal which extends outwards during
high rpms (revolutions per minute) and "hooks" itself onto the
second gear. I personally do not like this design and prefer the
"clutch shoe" type 2-speed transmission technology.
Hope this helps.
Joel"