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Search: Posts Made By: Rupurt
Showing results 1 to 25 of 500
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Forum: Glow Engines
09-27-2006, 09:42 AM
Replies: 58
Views: 4,664
Posted By Rupurt

RE: Is a 4 stroke worth the cost?

LOL Bla bla you're gonna get it. Even though you're right
Forum: Glow Engines
09-21-2006, 08:22 AM
Replies: 37
Views: 2,986
Posted By Rupurt

RE: Head Leaks Fuel

Fair enough, I just haven't had any problems yet I guess.
Forum: Glow Engines
09-21-2006, 08:10 AM
Replies: 26
Views: 2,284
Posted By Rupurt

RE: Strange Question about thrust

Actually 9.81N is the force a mass of 1Kg exerts on earth. Force is a vector it has magnitude and direction, mass on the other hand is a scalar and only has magnitude. They are not actually...
Forum: Glow Engines
09-21-2006, 07:52 AM
Replies: 37
Views: 2,986
Posted By Rupurt

RE: Head Leaks Fuel

I think jetpack is referring to play in the conrod bushes. I don't thing the head gasket is a gasket as such but rather a shim to adjust compression ratio's, I have run engines with no shim and they...
Forum: Glow Engines
09-21-2006, 12:06 AM
Replies: 26
Views: 2,284
Posted By Rupurt

RE: Strange Question about thrust

low@slow What I meant, and should have said was it will accelerate to the same speed twice as fast.
Forum: Glow Engines
09-20-2006, 05:21 PM
Replies: 26
Views: 2,284
Posted By Rupurt

RE: Strange Question about thrust

Force is newtons mass is Kg's. Torque is N.m, Force x distance. Power is Torque x rpm x Pi /60 or work done / time.
Forum: Glow Engines
09-20-2006, 07:18 AM
Replies: 26
Views: 2,284
Posted By Rupurt

RE: Strange Question about thrust

all else being equal the 2hp engine should spool up twice as fast.
Forum: Glow Engines
09-01-2006, 01:13 AM
Replies: 35
Views: 2,947
Posted By Rupurt

RE: Synthetic Oils

Some of the turbine oils contain organophosphates to help them cope with the different operating conditions they experience. I don't think it is a myth.
Forum: RC Jets
05-02-2006, 07:36 AM
Replies: 249
Views: 28,044
Posted By Rupurt

RE: F-117 Crash at BITW

Anybody using or considered using these http://www.brsparachutes.com/default.aspx maybe they could make model airplane ones, Might at least save the engines and retracts.
Forum: Glow Engines
05-02-2006, 05:27 AM
Replies: 67
Views: 4,246
Posted By Rupurt

RE: Why Methanol?

Hexane is an excellent degreaser better than methanol so you would need more oil, also running hexane will make the needle very sensitive because the mixture will be more lean than with methanol....
Forum: RC Jets
05-01-2006, 11:50 AM
Replies: 249
Views: 28,044
Posted By Rupurt

RE: F-117 Crash at BITW

LOL, Thats wrong but still funny.
Forum: RC Jets
05-01-2006, 11:23 AM
Replies: 249
Views: 28,044
Posted By Rupurt

RE: F-117 Crash at BITW

AFTERBURNER1 "Please resist the urge to curse, flame, degrade, insult or embarrass someone in your post. We encourage the free flow of your ideas, but believe that they can be communicated (and...
Forum: RC Jets
05-01-2006, 08:34 AM
Replies: 249
Views: 28,044
Posted By Rupurt

RE: F-117 Crash at BITW

ET. An excellent pilot, who never makes mistakes, crashes a plane he is in full control of. I don't see your problem.
Forum: Glow Engines
04-27-2006, 12:38 PM
Replies: 40
Views: 3,361
Posted By Rupurt

RE: The ABC myth?

Not all "Tapered Bore" engines are created equal, some will not have a problem running excessivly rich and some will. It depends on clearances, materials, design, fuel etc. To generalise and say...
Forum: Glow Engines
04-19-2006, 01:04 PM
Replies: 26
Views: 1,644
Posted By Rupurt

RE: Opinions needed-3" spinner on TT .25?

I think the prop tips do most of the work like the last 2/3, I'd say try it and see, although I don't know anything about pylon racers.
Forum: Questions and Answers
04-18-2006, 05:19 AM
Replies: 7
Views: 1,386
Posted By Rupurt

RE: 160 twin; 12mm Reamer or ?

Never had a prop come loose on mine, its not the best but I drill my props out haven't had any problems yet. The lock nut has a m4 hole tapped in it which is nice for ally spinners.
Forum: Glow Engines
10-23-2005, 12:19 PM
Replies: 45
Views: 3,784
Posted By Rupurt

RE: Crank Case Vent

I am not sure extra oil is actually good for ball bearings(to much oil could cause the balls to skid instead of roll) the fuel should have the right amount of oil to start with. Venting the crankcase...
Forum: Glow Engines
10-22-2005, 04:06 AM
Replies: 6
Views: 954
Posted By Rupurt

RE: Do you think this is worth saving?

Get a new one and use that for spares
Forum: Glow Engines
10-11-2005, 12:18 AM
Replies: 76
Views: 10,453
Posted By Rupurt

RE: Making your own exhaust system?

I am not sure what they use it for but I see it a couple of times a week doing circuits close to where I work. I know it isn't traffic control, always the wrong time of day. I will keep the camera...
Forum: Glow Engines
10-10-2005, 10:18 AM
Replies: 76
Views: 10,453
Posted By Rupurt

RE: Making your own exhaust system?

I got a pic of the police one I was talking about(well it looks like a turbo porter)

The pic's a little blury, i took it from a moving car.
Forum: Glow Engines
09-29-2005, 12:15 AM
Replies: 76
Views: 10,453
Posted By Rupurt

RE: Making your own exhaust system?

I would only reduce the ID if you have fuel pressure problems when/if you put a pressure fitting on, as for the vibration you could use a small hose clamp with stiff wire trapped underneath(on the...
Forum: Glow Engines
09-28-2005, 12:31 PM
Replies: 8
Views: 1,103
Posted By Rupurt

RE: Laser 150 Owners Please get your rulers out

http://www.laserengines.com/spec.htm There are some specs here.
Forum: Glow Engines
09-28-2005, 12:17 PM
Replies: 19
Views: 3,411
Posted By Rupurt

RE: Saito 82 FA bearing replacment

homesickangel, your welcome to PM with any question you think I may be able to answer.
Forum: Glow Engines
09-28-2005, 10:55 AM
Replies: 19
Views: 3,411
Posted By Rupurt

RE: Saito 82 FA bearing replacment

homesickangel:
1 liter "degummed" castor from Clowns(in Montague gardens) R18 about $3. I don't think you would need more nitro if you change to the "Pink stuff"
Forum: RC Jets
09-28-2005, 08:52 AM
Replies: 10
Views: 1,113
Posted By Rupurt

RE: Just curious...

Whats the cut off age, 65?
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