Welcome to The FlyingGiants! - please login or click this bar to join our community...

NitroPlanes Giant Scale New Arrivals Sales Nitro Planes Gadgets
 

Welcome to The FlyingGiants Community! We're all about fun, and inside you'll find the greatest, friendliest, and most helpful group of people around! If this is your first time visiting, please check out site, and click here to sign up! We hope to see you soon!!

Go Back   FlyingGiants Forums > Giant Scale Discussions > Gas Engines and Power


Gas Engines and Power Discuss all aspects of giant scale power systems

Support our Sponsors

Reply
 
Thread Tools Display Modes
Old 01-29-2007, 08:13 AM   #1 (permalink)
Flyin' Around
 
Join Date: Oct 2006
Location: Burton on trent
Age: 29
Posts: 6
Bully is offline
Help! DA150 and Greaves Tune Pipes

I was wondering if you could possibly help me as I have been looking at posts on a chat room where people have been explaining about the sizes of the pipes on engines. What are the lengths of the pipes for a DA150 engine and Greaves tune pipes? People are saying that they are 9 ¾ with an additional inch between the manifold and the pipe. Can we butt joint them and make them 10 ¾ inches or is this wrong? Please could you reply back to this email address explaining how and what I should do. Also another quick question, what size prop was on the engine?

Many Thanks

Chris Bull
  Reply With Quote
Old 01-29-2007, 10:12 AM   #2 (permalink)
Tony Quist
 
Rolling Thunder's Avatar
 
Join Date: Jan 2006
Location: Glendale, AZ
Age: 45
Posts: 1,370
Rolling Thunder is offline
Default Re: DA150 and Greaves Tune Pipes

That sounds about right. I am only running a 1/2 gap but I have the pipes on a floating mount so they can expand back instead of forward. but the 10 3/4 total header length is the correct measurement, I put in a slight throttle curve and now I have very smooth transition and great power.
  Reply With Quote
Old 01-29-2007, 10:38 AM   #3 (permalink)
Uber Contributer
 
shannah's Avatar
 
Join Date: Jan 2006
Location: Orange County CA
Posts: 191
shannah is offline
Default Re: DA150 and Greaves Tune Pipes

The 1/2"-1" gap is there to make sure you don't get any contact between the pipe and header. If they touch, the metal on metal grinding creates a lot of RF noise. Whatever you end up with, the total length is 10.75"

People are running the Mejzlik 32x10 two blade and the Mejzlik 28.5x12 with this header length.
  Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

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 Off
Pingbacks are Off
Refbacks are Off


All times are GMT -5. The time now is 10:29 AM.


  Sitemap :: Contact Us :: Community :: News :: Videos and Photos :: About Us
FlyingGiants, and The Leading Edge, are trademarks of RCGroups.com LLC. All content (c). All rights reserved.
Please view our disclaimer


Powered by vBulletin® Version 3.7.3
Copyright ©2000 - 2009, Jelsoft Enterprises Ltd.
SEO by vBSEO 3.2.0