RE: DUCTED FAN JETS  
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RE: DUCTED FAN JETS - 1/7/2007 5:14:36 PM   
Tomcat_104


 

Posts: 652
Joined: 7/30/2003
From: Charlotte, NC, USA
Status: offline 		My starter jet was a TGA F-15 as well. I chose it because of its reputation and the fact that we have a grass field at my club. The TGA uses a Byron's fan and rotates off the grass in about 350', our runway is around 900' long. The TGA was easy to build and easier to fly. I liked it so much I bought a TGA MIG-29 that I haven't built yet. A great 1st DF jet or a great 6th jet I think.

Buddude08,

A great F-18 post. I'll read it closely from start to finish in a little bit. Right now my wife is yelling about her honet-do's!

David




_____________________________

David

(in reply to chipperg)
       Post #: 26

RE: DUCTED FAN JETS - 1/7/2007 7:25:36 PM   
SPLIT S



Posts: 537
Joined: 4/11/2006
From: Blandon, PA, USA
Status: online 		Take the Xmas lights down or cover the wing, lights - wing ---- uhhh.. WING!!

Dan

_____________________________

Pumpkin patches make horrible runways.

(in reply to Tomcat_104)
       Post #: 27

RE: DUCTED FAN JETS - 1/7/2007 7:59:32 PM   
Tomcat_104


 

Posts: 652
Joined: 7/30/2003
From: Charlotte, NC, USA
Status: offline 		Yeh Dan,

That's easy for you to say, you didn't see the size of the stick that she was holding!!

David


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David

(in reply to SPLIT S)
       Post #: 28

RE: DUCTED FAN JETS - 1/7/2007 9:18:35 PM   
buddude8



Posts: 378
Joined: 12/28/2002
From: Placentia, CA, USA
Status: offline 		That is my brother that built that. I am building my kit from his experience talking to him on the phone and reading his thread.

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revver bro#163
myspace is also buddude8

(in reply to Tomcat_104)
       Post #: 29

RE: DUCTED FAN JETS - 1/7/2007 10:39:11 PM   
SPLIT S



Posts: 537
Joined: 4/11/2006
From: Blandon, PA, USA
Status: online 		His thread is like a video journal I'm going to use to build mine.

Dan

_____________________________

Pumpkin patches make horrible runways.

(in reply to buddude8)
       Post #: 30

RE: DUCTED FAN JETS - 1/7/2007 10:49:14 PM   
SPLIT S



Posts: 537
Joined: 4/11/2006
From: Blandon, PA, USA
Status: online 		I ended up taking the lights down anyway.............

_____________________________

Pumpkin patches make horrible runways.

(in reply to SPLIT S)
       Post #: 31

RE: DUCTED FAN JETS - 1/7/2007 11:12:15 PM   
Tomcat_104


 

Posts: 652
Joined: 7/30/2003
From: Charlotte, NC, USA
Status: offline 		Well, I took down the lights, the tree, the reindeer and I still got beat with the stick. When I'm better one of the first things I'm going to learn is to RUN faster!!!!!!!!!!!!!!!!!!! Now back to the fuselage!

David


_____________________________

David

(in reply to SPLIT S)
       Post #: 32

RE: DUCTED FAN JETS - 1/8/2007 12:17:04 AM   
SPLIT S



Posts: 537
Joined: 4/11/2006
From: Blandon, PA, USA
Status: online 		I have a brand new O.S. 91 for the F18. How long of a break in time would the group here feel comfortable with before committing it to flight? Should I break it in mounted to the fan or put a prop on it?

Dan

_____________________________

Pumpkin patches make horrible runways.

(in reply to Tomcat_104)
       Post #: 33

RE: DUCTED FAN JETS - 1/8/2007 12:25:53 AM   
Tomcat_104


 

Posts: 652
Joined: 7/30/2003
From: Charlotte, NC, USA
Status: offline 		Dan,

I don't know if I did mine right or not but I hooked my OS 91 to the Dynamax fan for break in. I ran 3 tanks (16 oz) through it very rich then 2 tanks through it not as rich and 2 more tanks through it only slightly rich. This might have been overkill but it was recommende to me by another DF pilot. I don't plan to run again until it goes up in the plane. It will be interesting to see what other folks say.

David


_____________________________

David

(in reply to SPLIT S)
       Post #: 34

RE: DUCTED FAN JETS - 1/8/2007 12:26:59 AM   
buddude8



Posts: 378
Joined: 12/28/2002
From: Placentia, CA, USA
Status: offline 		this last weekend we put maiden flight on my brothers. We ran a couple of tanks through the bird to dial in the needle settings and then flew it. On my brothers post shaun evans put a post on there on how to break it in and set it. these engines have a matched piston and sleeve. they dont have to get as warm as your standard abc where the engine has to get hot for the piston to move though the sleeve. We used a mc-09 plug. The engine ran great with that plug. We did the break in with 5% and then ended up using 10% to fly it because he was taking off of grass and it need the extra power to rotate.

ken


< Message edited by buddude8 -- 1/8/2007 3:34:47 AM >

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revver bro#163
myspace is also buddude8

(in reply to SPLIT S)
       Post #: 35

RE: DUCTED FAN JETS - 1/8/2007 12:28:31 AM   
SPLIT S



Posts: 537
Joined: 4/11/2006
From: Blandon, PA, USA
Status: online 		Is the 91 as easy an engine to get along with as other O.S. products? I have always been very happy with the reliability and ease of use with my other O.S. motors.

_____________________________

Pumpkin patches make horrible runways.

(in reply to Tomcat_104)
       Post #: 36

RE: DUCTED FAN JETS - 1/8/2007 12:29:52 AM   
SPLIT S



Posts: 537
Joined: 4/11/2006
From: Blandon, PA, USA
Status: online 		How much runway do you think you needed to get the Hornet up?

Dan

_____________________________

Pumpkin patches make horrible runways.

(in reply to SPLIT S)
       Post #: 37

RE: DUCTED FAN JETS - 1/8/2007 12:51:39 AM   
buddude8



Posts: 378
Joined: 12/28/2002
From: Placentia, CA, USA
Status: offline 		the engine was very easy to start. The low end was pretty fat, i think we dialed that in about a half turn. Also make sure you get the correct starter probe, and apply some grease into the nut and on the tip of the probe this will help in set in easier.Make sure you have a hemostat on your fuel line while fueling it. If you dont it is very east to hydrolock it up and then you have to remove the glow plug. As far as runway goes. if you are on grass you better have at least 400', i would suspect on a paved one it would rotate fairly quickly.

ken

< Message edited by buddude8 -- 1/8/2007 3:04:56 AM >

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revver bro#163
myspace is also buddude8

(in reply to SPLIT S)
       Post #: 38

RE: DUCTED FAN JETS - 1/8/2007 1:29:06 AM   
SPLIT S



Posts: 537
Joined: 4/11/2006
From: Blandon, PA, USA
Status: online 		Is the gyro a must on the nose wheel? I've read that it can get quite squirrely with ground handling.

Dan

_____________________________

Pumpkin patches make horrible runways.

(in reply to buddude8)
       Post #: 39

RE: DUCTED FAN JETS - 1/8/2007 1:39:15 AM