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Search: Posts Made By: coindex
Showing results 1 to 25 of 62
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Forum: Aerodynamics
09-19-2010, 11:54 PM
Replies: 17
Views: 2,792
Posted By coindex

RE: Extra 300S 60 Size balance

Well.....I rebalanced my plane at 4 1/8" c of G and on maiden flight only took a couple clicks up elevator to level it off.

Plane is VERY VERY touchy though. I have my exponential on all...
Forum: Aerodynamics
07-29-2010, 03:12 PM
Replies: 17
Views: 2,792
Posted By coindex

RE: Extra 300S 60 Size balance

I can't remember how many clicks it took since I was to involved in keeping it flyable and giving it down elevator so i could land the plane instead of adjusting the trim. I tried some adjustments...
Forum: Aerodynamics
07-28-2010, 11:29 PM
Replies: 17
Views: 2,792
Posted By coindex

RE: Extra 300S 60 Size balance

The kit states the CofG at 4 1/8" from leading edge so that would put the original build at approximately around the 15% MAC in terms of the cG calculator. So it seems that the kit...
Forum: Aerodynamics
07-28-2010, 01:50 AM
Replies: 17
Views: 2,792
Posted By coindex

RE: Extra 300S 60 Size balance

I took my measurements plugged the chart and this is what I came out with.
At 20% my ideal CG aft of root LE is 3.94" and at 5% my CG aft... is at 5.67"
20% desired static margain gives me a...
Forum: Kit Building
07-28-2010, 12:41 AM
Replies: 517
Views: 126,719
Posted By coindex

RE: Good covering jobs!

I built this Great Planes Extra 300S 60 Series last year. My first build and first wrap job. I think it turned out prettty darn good.
Forum: Aerodynamics
07-26-2010, 08:58 PM
Replies: 17
Views: 2,792
Posted By coindex

Extra 300S 60 Size balance

I built an Extra 300S 60size which has a OS91 fs engine ivnerted. On my maiden flight I noticed my controls were so touchy that the plane was almost impossible to fly. I also noticed it seemed like...
Forum: Glow Engines
08-23-2009, 05:27 PM
Replies: 8
Views: 996
Posted By coindex

RE: FS91SII no start???

If you haven't read the above posts you would see that I have a fuel injection engine not the pump version engine. I did find the problem, the valves were not opening correctly due to the rocker arm...
Forum: O.S. Engines Support
08-10-2009, 04:21 PM
Replies: 1
Views: 416
Posted By coindex

How do you actually check an Injector?

How do I check to see if my injector on my FS91S II FI engine is actually working. I crank my engine with everything hooked up and nothing comes out of the injector, at low throttle setting and at...
Forum: O.S. Engines Support
08-08-2009, 05:38 PM
Replies: 1
Views: 646
Posted By coindex

Are OS FS91 series carbs interchangeable?

I have an OS 91S II FI engine and was wondering if I can change the carb out to a needle valve carb. I would like to take the electronics off the engine and just run it as a plain os91sII engine...
Forum: Glow Engines
08-04-2009, 05:19 PM
Replies: 8
Views: 996
Posted By coindex

RE: FS91SII no start???

Got the valve cover and all other necessities I needed to finish the build of the motor. First start up, great..idled good though when I put it to full throttle it kicks out and dies. Tried...
Forum: O.S. Engines Support
07-17-2009, 05:07 AM
Replies: 5
Views: 1,501
Posted By coindex

RE: FS 91 SII FI HELP!!!! anyone who knows

That's alright, I sent my ecu away to hobby services in the states and they got me a new ecu for half price, not to bad I suppose to I paid it. Product came back to me and it works great now. Just...
Forum: Glow Engines
07-16-2009, 05:35 AM
Replies: 8
Views: 996
Posted By coindex

RE: FS91SII no start???

I've set my valve clearances now just waiting for my valve cover to come in on order. More likely should have it by the end of the month. Almost finished hurray!!
Forum: Glow Engines
07-09-2009, 12:09 PM
Replies: 19
Views: 2,086
Posted By coindex

RE: Castor oil in fuel

to think of it now, my engine is a ringed engine (os fs91sII FI) so the oil shouldn't affect the piston ring right. In all my mechanical life I have never heard of the piston ring gumming up due to...
Forum: Glow Engines
07-09-2009, 11:30 AM
Replies: 19
Views: 2,086
Posted By coindex

RE: Castor oil in fuel

thanks for everyone's input, and yes capt. abc doesn't have no piston rings though someone already mentioned that lol
Forum: Glow Engines
07-08-2009, 08:50 PM
Replies: 19
Views: 2,086
Posted By coindex

Castor oil in fuel

Just a curious question. I found this castor oil in a pharmacy which you use for irregularity. Is this the same type of castor oil they use in the fuel????
I bought a bottle since it's cheap and...
Forum: Glow Engines
07-06-2009, 07:29 PM
Replies: 10
Views: 1,050
Posted By coindex

RE: OS FS91SII FI TOP END CUTS OUT

I drilled the bolt heads off of the stripped bolts which worked great, only one part to replace since the drill bit bit into the side of the valve cover now I need a new valve cover. I visually...
Forum: Glow Engines
07-06-2009, 07:28 PM
Replies: 8
Views: 996
Posted By coindex

RE: FS91SII no start???

I drilled the bolt heads off of the stripped bolts which worked great, only one part to replace since the drill bit bit into the side of the valve cover now I need a new valve cover. I visually...
Forum: O.S. Engines Support
07-06-2009, 07:26 PM
Replies: 3
Views: 1,257
Posted By coindex

RE: cylinder head bolt stripped removal???

I visually inspected the valves, rocker arms, springs and found that the bolt holding the rocker arms down was so loose that the rocker arms wouldn't even move. Great compression in chamber and...
Forum: Glow Engines
07-04-2009, 05:27 PM
Replies: 8
Views: 996
Posted By coindex

RE: FS91SII no start???

This is the fuel injected engine, don't know how old it is since i bought it used. The valve cover im working on trying to take off. The two bolts that hold it on are stripped so I'm trying to get...
Forum: Glow Engines
07-04-2009, 03:24 PM
Replies: 8
Views: 996
Posted By coindex

FS91SII no start???

Had the engine running but it would cut out at full throttle and die like it was starving for fuel. I adjusted the fuel feed(injection) and it was running great even at full throttle then it died...
Forum: O.S. Engines Support
07-02-2009, 01:36 PM
Replies: 3
Views: 1,257
Posted By coindex

cylinder head bolt stripped removal???

I have an fs 91s II FI engine and one of my cylinder head bolts is stripped. Is there a good way to take the bolt out without damaging the head. Also my two bolts that hold the valve cover on are...
Forum: Glow Engines
06-30-2009, 06:17 PM
Replies: 10
Views: 1,050
Posted By coindex

RE: OS FS91SII FI TOP END CUTS OUT

I know its not the clunk line because I took the fuel tank apart and thought that might be the cause but the line was perfect. The fuel filter is brand new so I can't see it being the fuel filter...
Forum: Glow Engines
06-30-2009, 04:47 PM
Replies: 10
Views: 1,050
Posted By coindex

RE: OS FS91SII FI TOP END CUTS OUT

The manual states,yes, to run a line from the crankcase, to the one way check valve, to a tee, then from the tee to the vent line of the tank. The other I have running from the tee and capped. ...
Forum: Glow Engines
06-30-2009, 02:38 PM
Replies: 10
Views: 1,050
Posted By coindex

RE: OS FS91SII FI TOP END CUTS OUT

The check valve is a one-way valve which function is to pressurize the fuel tank by crankcase pressure and prevent fuel from returning to the engine crankcase. Being this engine is a fuel injection...
Forum: Glow Engines
06-30-2009, 09:27 AM
Replies: 10
Views: 1,050
Posted By coindex

OS FS91SII FI TOP END CUTS OUT

I have an os fs91 surpass II fuel injection engine. Have a check valve installed in the crankcase line, have a fuel filter installed in the fuel line going to the injector. All lines are connected...
Showing results 1 to 25 of 62
 
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