Sport Flying This forum is for those that like to fly just for the enjoyment of flying, and all the airplanes that help them. Discuss here the joys of flying and the airplanes that help you enjoy it.

Four Star 40 with Retracts

Reply
Old 10-15-2011, 08:12 PM
  #1
AlwaysBring2
Thread Starter
 
Join Date: Apr 2010
Location: Franklin, IN
Posts: 13
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default Four Star 40 with Retracts

I was considering retracts in a 4 star 40. Power is a 4 Stroke .61 so I dont believe weight will be an issue. Any input would be appreciated.
AlwaysBring2 is offline  
Reply With Quote
Old 10-15-2011, 09:55 PM
  #2
AlwaysBring2
Thread Starter
 
Join Date: Apr 2010
Location: Franklin, IN
Posts: 13
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default RE: Four Star 40 with Retracts

OK, read through the thread tonight. Need confirmation on this set up.

.61 four stroke ( Inverted Mount ) 3 blade prop ( Need suggested Size ), cowl over the top of the engine bay, make hatch over the fuel tank.

Retracts to smooth it out in the air. ( May even put in a retractsble tail wheel! )

Knock off one bay either side of the wing, Block and sand the tips, extend the Ale's, independent servo's for each. Kick down the Dihedral a bit to flatten out and speed up.

Extend the rudder and elevator and open up the gap for more throw. PULL/PULL system for rudder (looks cool )

I like the stringer look of the turtle deck - so that will stay stock.

Move CG to 30% of cord.

Cover with some hot graphics, take lots of pictures. Pray. Then fly.

C'mon folks kit will be arriving and I'd like to have this confirmed, winter is a builders friend.

If you have done any or all of this please comment.

AlwaysBring2 is offline  
Reply With Quote
Old 10-16-2011, 06:07 AM
  #3
motoman11
 
motoman11's Avatar
 
Join Date: Jul 2003
Location: Floresville, TX
Posts: 87
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default RE: Four Star 40 with Retracts

Wing is not as strong as others very little sheeting just in center and TE dont forget to glass wings in center!retracts will also move wheels back and might have trouble on takeoff. I flew mine with a K&B Screamin 48 you might want more power with the added waight. Gonna have to beef up the wing and get the wheels forwotd of the LE to get it to ballance on the ground.
this is that my 4* looks like now before and after good luck
Attached Thumbnails
Click image for larger version

Name:	Fd91585.jpg
Views:	29
Size:	188.9 KB
ID:	1675043   Click image for larger version

Name:	Xt59877.jpg
Views:	28
Size:	186.5 KB
ID:	1675044   Click image for larger version

Name:	Qo38985.jpg
Views:	19
Size:	186.5 KB
ID:	1675045  
motoman11 is offline  
Reply With Quote
Old 10-16-2011, 04:21 PM
  #4
Mr67Stang
 
Mr67Stang's Avatar
 
Join Date: Apr 2006
Location: Raeford, NC
Posts: 3,822
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default RE: Four Star 40 with Retracts

Yep, I did everything you mentioned except the retracts. I also used the 4 star 120 kit so I had more room to work. Especially with the pull/pull rudder.
Mr67Stang is offline  
Reply With Quote
Old 10-17-2011, 06:58 AM
  #5
ARUP
 
Join Date: Jan 2007
Posts: 2,343
Gallery
My Gallery
Models
My Models
Ratings
My Feedback
Default RE: Four Star 40 with Retracts

Can you design it like an AT-6 wing and make little fairings for the wheels? That will get your retract mount blocks ahead of the spar. I've thought of retracts for this airplane for some time but never took the plunge!
ARUP is offline  
Reply With Quote
Reply


Thread Tools
Search this Thread
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



All times are GMT -8. The time now is 04:01 PM.