Go Back  RCU Forums > RC Helicopters > Kyosho Helicopters
Reload this Page >

Caliber 3 with Irvine .39

Notices
Kyosho Helicopters Discuss all Kyosho heli topics here.

Caliber 3 with Irvine .39

Old 03-25-2008, 08:17 AM
  #1  
janfloris
Junior Member
Thread Starter
 
Join Date: Jul 2005
Location: CenturionGauteng, SOUTH AFRICA
Posts: 12
Likes: 0
Received 0 Likes on 0 Posts
Default Caliber 3 with Irvine .39

Hi

Does anyone have any experience with a Irvine .39 motor on a Caliber 3? I am struggeling a bit to keep the headspeed constant during flight. (Only "up and down" hover at this stage). My pitch curves are -4, 4 and 9 for normal flight. I don't bother with Idle up 1 at this stage because of the motor not running as it should. I have a JR 2610 radio. At half throttle the engine sounds fine, but as I increase the pitch a little to almost 3/4, the revs drop. When I pull the stick down again, the revs increase and it sounds as if the engine reaches peak. (If you can call it peak at 60% throttle). My throttle curve is 20, 50, 60, 70, 100 for noraml mode. I am new to nitro helis, so I dont have much experience in setting the engine and knowing all of the sounds it should make. I have been flying airplanes for a few years, but my problem with the heli eninges is that unlike an airplane enige, you can't rev it up to full thorttle to hear if it peaks or not... [] . I suspect that the problem might lie with the low end tuning, but I'm not sure. Any comments will help. Thnks
Old 03-25-2008, 08:47 AM
  #2  
Cyberfyn
Senior Member
 
Cyberfyn's Avatar
 
Join Date: Feb 2003
Location: Nottingham, UNITED KINGDOM
Posts: 1,009
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Caliber 3 with Irvine .39

Sounds like a mixture problem. Does the engine produce a lot of smoke and splutter when it loses power?

Ian F.
Old 07-03-2008, 04:34 AM
  #3  
janfloris
Junior Member
Thread Starter
 
Join Date: Jul 2005
Location: CenturionGauteng, SOUTH AFRICA
Posts: 12
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Caliber 3 with Irvine .39

Yes it does. If you bump full collective while in a hover the rmp (and obviously headspeed) drops.
Old 07-04-2008, 06:46 AM
  #4  
Cyberfyn
Senior Member
 
Cyberfyn's Avatar
 
Join Date: Feb 2003
Location: Nottingham, UNITED KINGDOM
Posts: 1,009
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Caliber 3 with Irvine .39

First, try turning the main needle in by half a turn (clockwise) and see if that helps. You could also re-set the main needle to two and a half turns out from closed and go from there.

Ian F.

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


Thread Tools
Search this Thread

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.