Community
Search
Notices
HPI Monster Truck Forum Talk about HPI monster trucks here. The infamous Savage 21, SS, .25 or any other HPI MT. You can optionally discuss HPI in our general MT discussion forum if you prefer.

Bad Engine, Decisions

Thread Tools
 
Search this Thread
 
Old 11-04-2012, 08:08 PM
  #26  
Upbasher
Member
 
Upbasher's Avatar
 
Join Date: Apr 2012
Posts: 39
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Bad Engine, Decisions

That is really cool. I will have to do that. I had the spring and pin break on me though even with the stock owb setup. Wouldn't this just wear out the spring rally really fast?
Old 11-11-2012, 08:49 AM
  #27  
djyjrlz
Senior Member
 
djyjrlz's Avatar
 
Join Date: Jan 2010
Location: steyning, UNITED KINGDOM
Posts: 411
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Bad Engine, Decisions

it does increase rotating mass, but think of the mass of the tires compared to that...almost a negligable in comparison. and i think this is a great solution to a really common problem, great video!
Old 11-12-2012, 06:17 PM
  #28  
PrjctStrtFrce
Senior Member
My Feedback: (10)
 
PrjctStrtFrce's Avatar
 
Join Date: Aug 2005
Location: Bartlett, IL
Posts: 2,948
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Bad Engine, Decisions

Rotating mass from the power source is different than rotating mass from the wheels.
Old 11-12-2012, 06:54 PM
  #29  
steed2-inactive
Senior Member
 
Join Date: Oct 2008
Location: pefferlaw, ON, CANADA
Posts: 1,536
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Bad Engine, Decisions

It does not increase rotating mass on an f 4.6 guys.
Old 11-13-2012, 09:27 PM
  #30  
PrjctStrtFrce
Senior Member
My Feedback: (10)
 
PrjctStrtFrce's Avatar
 
Join Date: Aug 2005
Location: Bartlett, IL
Posts: 2,948
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Bad Engine, Decisions

How do you figure?
Old 11-14-2012, 03:59 AM
  #31  
steed2-inactive
Senior Member
 
Join Date: Oct 2008
Location: pefferlaw, ON, CANADA
Posts: 1,536
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Bad Engine, Decisions

If your referring to the starting mod in that video on the f4.6, that start shaft doesn't spin when the engine is running. It has a spring and pin mechanism in the end of the crank and once that engine starts there is absolutely not driving force against the start shaft. I have a big block revo with one of these engines that I use the one way bearing in the end of a drill to start. Engine running you can grab that shaft , it's not even spinning. Like I said earlier some engine start shafts are keyed to the crank and yes then this would add mass but not with f series mills.

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



Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.