Dub Jett Engines Support Bob Brassel of Dub Jett Engines provides direct support here for Jett Engines.

which engine?

Reply

Old 02-25-2009, 05:46 PM
  #1  
knighttwister
Member
Thread Starter
My Feedback: (59)
 
Join Date: Mar 2003
Location: neenah, WI
Posts: 81
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default which engine?

i just bought a Great Planes F4 Phantom kit and was looking at the Jett line of engines. which would be the best engine in this line for the F-4?
kind regards,
JIM
knighttwister is offline  
Reply With Quote
Old 02-25-2009, 06:13 PM
  #2  
bob27s
My Feedback: (19)
 
bob27s's Avatar
 
Join Date: Apr 2002
Location: Cleveland, OH
Posts: 5,576
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default RE: which engine?

Hi Jim.....

A few F-4 Phantoms flying out there with Jett power

Best engine suggestion is the "standard" version SJ-90L.

Sames "61" size engine block - similar to the OS 61/91 in size and mounting.

It is a big, draggy plane - and although quick, it will not let a 90LX version engine really unwind where it likes to.

SJ-90L, 12x6 APC. And you will be good to go

Bob
bob27s is offline  
Reply With Quote
Old 02-25-2009, 06:30 PM
  #3  
knighttwister
Member
Thread Starter
My Feedback: (59)
 
Join Date: Mar 2003
Location: neenah, WI
Posts: 81
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default RE: which engine?

thanks for the fast reply.
what sort of speed can i expect with the 90L? i;m thinking about 70 mph. is this about right?
thanks again for the help .
knighttwister is offline  
Reply With Quote
Old 02-26-2009, 07:14 AM
  #4  
bob27s
My Feedback: (19)
 
bob27s's Avatar
 
Join Date: Apr 2002
Location: Cleveland, OH
Posts: 5,576
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default RE: which engine?

If you are looking to hit 70mph...... I am pretty sure you will not be disappointed

Once the gear is up on the phantom it is fairly quick.

Just as a reference, this video is an AKModels SU-27 with 90L power. It is about the same size, maybe a little bit lighter, but it has about the same frontal cross section area (drag from the hole it much punch in the air). [link=http://www.jettengineering.com/video/su27baker.wmv]Rich Baker video[/link]

There are a few other projects for reference on here too: http://www.jettengineering.com/hall/hall-propjets.html

Always happy to be of help

Bob
bob27s is offline  
Reply With Quote

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