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Search: Posts Made By: RVman
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05-28-2011, 02:55 PM
Replies: 326
Views: 27,237
Posted By RVman

RE: Screamin Demon .65 build thread

Good luck with it Mike, be careful with the launch. My 77 is ready to go again after spending the afternoon today taking everything apart to fix a stripped servo. It was -3 last night but is...
Forum: Glow Engines
02-04-2011, 05:45 AM
Replies: 17
Views: 4,942
Posted By RVman

RE: Merlin Glow Plugs, did me right!

I'm using merlin plugs as well and they are working great for me.
01-13-2011, 09:41 AM
Replies: 92
Views: 7,931
Posted By RVman

RE: Screamin Demon 25 prototype build

I have flown my bigblock version. The wingloading is not to high as it glides quite well for what it is. I have a 12 oz fuel tank in mine for about 3 or 4 min of run time. I also did not require...
Forum: Glow Engines
12-12-2010, 07:37 PM
Replies: 27
Views: 2,274
Posted By RVman

RE: Tuned Pipe throttle question

If the plane was a fair ways out when you cut the throttle it will take some time for the sound to get back to you. This would explain why you couldn't recreate the problem on the ground.
Forum: Glow Engines
08-14-2010, 08:23 PM
Replies: 401
Views: 36,119
Posted By RVman

RE: The future of Glow engines

Gas stinks so i'll keep buying glow engines.
07-28-2010, 09:34 PM
Replies: 2
Views: 1,175
Posted By RVman

RE: RPM Reading - 2 vs 3 blade

Point the tach at fluorescent light. It should read 2400RPM for 3 blade and 3600 for the 2 blade setting.
05-19-2010, 12:28 PM
Replies: 37
Views: 2,533
Posted By RVman

RE: To Delta or not to Delta that is the question!

So true. I put a muffled pipe on my Picco delta and its legal enough now at the field but man you can tell the older folks don't like it at all. A few of the guys wanted to see the OS77 delta go so...
Forum: Glow Engines
05-06-2010, 05:36 PM
Replies: 44
Views: 4,941
Posted By RVman

RE: Using synthetic motor oil in engines.

Who cares if it gums up with age... just soak it again with normal fuel, run it and the engine will be fine.
Forum: Glow Engines
05-05-2010, 10:42 PM
Replies: 44
Views: 4,941
Posted By RVman

RE: Using synthetic motor oil in engines.

I store my engines long term with a liberal amount of straight castor oil. After a while it will gum up but a soaking in fuel will loosen everything up but it sure won't rust.
Forum: Beginners
03-31-2010, 05:43 PM
Replies: 47
Views: 4,257
Posted By RVman

RE: what motor do you recomend

The avistar is not a big plane. You will have trouble balancing the aircraft with a typical ball bearing 46. An engine like an OS 35AX or the OS 46LA would be far more suitable for an Avistar than...
03-15-2010, 10:25 PM
Replies: 41
Views: 3,242
Posted By RVman

RE: Plugs of Choice for Speed Engines

I'm using the merlin plugs in most of my engines now. I think they are the 2002HD or 2003HD and they seem to be working pretty good. I like that they are full length instead of the medium/long OS...
02-23-2010, 06:16 PM
Replies: 15
Views: 1,787
Posted By RVman

RE: OS 46AX Muffler

Don't tighten the through bolt so much. The aluminum muffler expands more and can break the steel screw if its too tight.
Forum: Sport Flying
02-22-2010, 01:00 PM
Replies: 35
Views: 5,313
Posted By RVman

RE: Great Saves?

Had one similar to the first post. Throttle got stuck at WOT and because it was a aerobatic type with larger control surfaces I could hear them flutter/buzz badly. The only way to stop the flutter...
02-15-2010, 09:35 PM
Replies: 326
Views: 27,237
Posted By RVman

RE: Screamin Demon .65 build thread

Yes its the same engine. The prop I used was a zinger 11-10. I cut it down to 8.25" diameter and balanced. The engine will do 21000+ on that propeller but I haven't leaned it out all the way yet...
02-03-2010, 11:26 PM
Replies: 61
Views: 6,500
Posted By RVman

RE: Another Screamin' Demon build!

hmph, at least he won't have to hack up the front end trying to fit a 5" long engine in there...
02-01-2010, 01:46 PM
Replies: 15
Views: 2,390
Posted By RVman

RE: os 55, webra 50gt, or rossi 45

Webra is the lightest of the three but I don't know if they still make the .50. The webra (and probably rossi) will rev and unload better than the new OS's. OS exhaust spacing doesn't fit webra...
01-28-2010, 06:04 PM
Replies: 45
Views: 20,081
Posted By RVman

RE: Picco .80 RIRE

www.MikesRC.us
01-27-2010, 06:15 PM
Replies: 45
Views: 20,081
Posted By RVman

RE: Picco .80 RIRE

Look at the screamin demon .65 build thread on here.
Forum: Beginners
01-20-2010, 10:48 PM
Replies: 12
Views: 937
Posted By RVman

RE: 2 year old fuel with hole in cap ?

Run it. If the engine runs fine well then the fuel is ok. If not, use the fuel for cleaning parts..
Forum: Beginners
01-20-2010, 12:22 PM
Replies: 19
Views: 1,379
Posted By RVman

RE: Gnat - I'm running out of props!

Ok, i'll explain, I lost one blade of the three blade prop. The prop did not fall off. The vibration ripped the whole nose of the plane off, firewall forward. I lost over 2 lbs of weight and it...
01-17-2010, 11:14 PM
Replies: 326
Views: 27,237
Posted By RVman

RE: Screamin Demon .65 build thread

The plane weighs 3.75 lbs without fuel. Add 12oz fuel for takeoff. I did not tach it then, the fellow holding it just wanted to get rid of it as soon as possible. The engine only has about 30 oz...
01-17-2010, 01:54 PM
Replies: 326
Views: 27,237
Posted By RVman

RE: Screamin Demon .65 build thread

Well my OS .77 version flew yesterday. It has been very warm recently up here; only around the freezing mark so I decided to give it a go. I used a 8.25 X 10 cut down zinger, servos are standard HS...
Forum: Beginners
01-17-2010, 01:30 AM
Replies: 19
Views: 1,379
Posted By RVman

RE: Gnat - I'm running out of props!

I had one (15-8 3 blade) that threw a blade in flight and caused the plane to crash. Maybe there is something in that warning?
Forum: Beginners
01-10-2010, 08:47 AM
Replies: 11
Views: 1,570
Posted By RVman

RE: retract servo equivalent

You need the power if you have heavy wheels and struts. Try using a HS 75 to haul up 2X 6 inch struts with 4 inch wheels. The HS75 is a fine servo for lighter duty but it is no equivalent to the...
Forum: Beginners
01-09-2010, 10:41 PM
Replies: 11
Views: 1,570
Posted By RVman

RE: retract servo equivalent

There is no equivalent as far as I know. The JR has way more torque (260oz-in) and metal gears vs the other brands.
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