R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric On-Road

Reply
 
Thread Tools Search this Thread
Old 06-04-2006, 07:32 PM   #1
Tech Regular
 
MK_Arbiter's Avatar
 
Join Date: May 2006
Location: Toronto, Ontario, Canada
Posts: 472
Default A stupid question

What would happen if we invert the shocks and put them upside down?
MK_Arbiter is offline   Reply With Quote
Old 06-04-2006, 07:48 PM   #2
Tech Fanatic
 
Join Date: Dec 2004
Location: golf course and R/C track
Posts: 887
Trader Rating: 9 (100%+)
Default

If there is ANY air in the shock then it would adversly affect the operation of the shock as the air would always be around the piston. That's my guess.

AND it's not a stupid question.
jeffb is offline   Reply With Quote
Old 06-04-2006, 08:13 PM   #3
Tech Elite
 
Joel Lagace's Avatar
 
Join Date: Feb 2002
Location: Ottawa, Ontario, Canada
Posts: 2,628
Trader Rating: 4 (100%+)
Default

DIRT bike racers should have an explanation for this one as they inverted there shocks years ago in the front.....

With rc clearances would be hard to maintain in some cars if you inverted the shock. The lower arm mounts on my B4 buggy would not accept the flip.

Not sure if air in the shock would be any worse upright or inverted, once the shock has been pumped a few times any air in the oil has be mixed.

good question not stupid at all
__________________
"Without Rules its just Backyard Bashing!"
www.rcottawa.com
Joel Lagace is offline   Reply With Quote
Old 06-04-2006, 08:23 PM   #4
Tech Champion
 
AdrianM's Avatar
 
Join Date: Aug 2001
Location: Tampa, FL
Posts: 5,914
Trader Rating: 4 (100%+)
Default

Double post...sorry
__________________
Adrian Martinez
What I run: Schumacher Mi5/Associated RC10R5.1/Associated RC12R5.2/Futaba/HobbyWing/Team EA Motorsports/BSR Racing
Where I run: Florida Indoor R/C Complex/Thunder Racing/Florida On Road State Series
AdrianM is offline   Reply With Quote
Old 06-04-2006, 08:24 PM   #5
Tech Champion
 
AdrianM's Avatar
 
Join Date: Aug 2001
Location: Tampa, FL
Posts: 5,914
Trader Rating: 4 (100%+)
Default

Quote:
Originally Posted by Joel Lagace
DIRT bike racers should have an explanation for this one as they inverted there shocks years ago in the front.....

With rc clearances would be hard to maintain in some cars if you inverted the shock. The lower arm mounts on my B4 buggy would not accept the flip.

Not sure if air in the shock would be any worse upright or inverted, once the shock has been pumped a few times any air in the oil has be mixed.

good question not stupid at all
Actually inverted shocks on motorcycles are technically right side up and their old shocks were upside down.

On the old shocks the wheels was attached to the shock body. On inverted shocks the wheels are attached to the stanchion tube (Shock shaft). The main reason they did this was to reduce unsprung weight. The stanchions tubes are a lot lighter.

You do not want to run r/c car shocks with the bodies down as this increases unsprung weight and makes the suspension less reactive.

Think of it this way...extend you arm out in front of you and move your hand up and down as fast as you can. Now try the same thing with a 5lb weight in your hand. The mass resists you attempts to move it. On the track this would be seen as a loss of traction.
__________________
Adrian Martinez
What I run: Schumacher Mi5/Associated RC10R5.1/Associated RC12R5.2/Futaba/HobbyWing/Team EA Motorsports/BSR Racing
Where I run: Florida Indoor R/C Complex/Thunder Racing/Florida On Road State Series
AdrianM is offline   Reply With Quote
Old 06-04-2006, 08:44 PM   #6
Tech Elite
 
nf_ekt's Avatar
 
Join Date: Aug 2005
Location: 22 Acacia Avenue
Posts: 4,632
Trader Rating: 113 (100%+)
Default

Quote:
Originally Posted by AdrianM
Actually inverted shocks on motorcycles are technically right side up and their old shocks were upside down.

On the old shocks the wheels was attached to the shock body. On inverted shocks the wheels are attached to the stanchion tube (Shock shaft). The main reason they did this was to reduce unsprung weight. The stanchions tubes are a lot lighter.

You do not want to run r/c car shocks with the bodies down as this increases unsprung weight and makes the suspension less reactive.

Think of it this way...extend you arm out in front of you and move your hand up and down as fast as you can. Now try the same thing with a 5lb weight in your hand. The mass resists you attempts to move it. On the track this would be seen as a loss of traction.
Yep, true indeed.... how I miss my CR250, absolutely brutal.
__________________
Up the Irons \m/

Powered by Hotwings, Rolling Rock, and the urge to race toy cars...
nf_ekt is offline   Reply With Quote
Old 06-04-2006, 08:48 PM   #7
Tech Regular
 
MK_Arbiter's Avatar
 
Join Date: May 2006
Location: Toronto, Ontario, Canada
Posts: 472
Default

well... its a relief that im not asking stupid questions.
MK_Arbiter is offline   Reply With Quote
Old 06-04-2006, 09:46 PM   #8
Tech Fanatic
 
Drewdc90's Avatar
 
Join Date: Sep 2005
Location: Sunshine Coast Australia
Posts: 828
Trader Rating: 3 (100%+)
Default

It would lower the CG a bit.
__________________
-Xray--Nosram--Orion--Trak Power--Duratrax--Spektrum--Futaba-

Sunshine Coast QLD AUSTRALIA

"If you stand still long enough you'll go backwards"
Drewdc90 is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Stupid Question VICM Monster Trucks 7 03-18-2007 04:08 AM
maybe a stupid question sc0rch Rookie Zone 4 06-12-2005 01:39 PM
stupid question NitroRacerXX Electric Off-Road 3 03-27-2005 07:40 PM
Another Stupid Question...lol jhigga15 Florida Racing 2 01-18-2005 09:14 AM
This is gonna sound stupid question but I have a battery Question. Smoke21 Electric On-Road 7 04-25-2004 09:10 PM



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 09:18 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net