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Search: Posts Made By: bgerth
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Forum: Free Flight
09-27-2016, 09:10 AM
Replies: 0
Views: 1,924
Posted By bgerth

Trimming for a good glide.

This question is about an RC electric glider. I realize this a FF forum, but I figure you people know way more about trimming than the RC guys. Last winter I built a Dynaflite Butterfly motor...
04-11-2013, 09:04 AM
Replies: 10
Views: 2,591
Posted By bgerth

RE: Mile High Models Super Joy Stick

Just seen one on the online auction place, just looking for a review myself. If it's good I might scratch build one.
12-17-2011, 06:48 PM
Replies: 0
Views: 860
Posted By bgerth

Corona CR8D 2.4Ghz Polarity

Recently bought the Corona CR8D Rx 2.4Ghz receiver. It has no markings on the receiver about how to plug in the servos, (which is signal?). Another odd thing about it is I can't seem to plug a servo...
Forum: Glow Engines
09-15-2011, 09:03 AM
Replies: 26
Views: 5,068
Posted By bgerth

RE: Diesel Conversion, OS 40 LA

Dennis,
In the post here you said you flew a ST 3000 Davis Diesel conversion. I know this was almost 10 yrs ago and I hope you are still active on this board. I have recently came across a DD head...
Forum: Control Lines
10-28-2010, 08:05 PM
Replies: 10
Views: 3,613
Posted By bgerth

RE: Uniflow tank pressure

Thanks to everyone for their help. The engine runs great now. The pressue nipple was clogged. The fact that it was sticking straight up made me think that it couldn't be the problem. While I was...
Forum: Control Lines
10-26-2010, 06:08 AM
Replies: 10
Views: 3,613
Posted By bgerth

RE: Uniflow tank pressure

One of the problems I may be having is that the muffler may not be building much pressure. It sure doesn't quiet the engine any.
Forum: Control Lines
10-26-2010, 06:05 AM
Replies: 10
Views: 3,613
Posted By bgerth

RE: Uniflow tank pressure

I'll try to upload pictures of my engine/test stand and the Perfect tank.
Forum: Control Lines
10-26-2010, 06:02 AM
Replies: 10
Views: 3,613
Posted By bgerth

RE: Uniflow tank pressure

I have made an attempt to convert an old tank into a uniflow following what i have read on this forum. I haven't tried the metal Perfect tank yet. I figured the plastic tank I'm using on the test...
Forum: Control Lines
10-25-2010, 11:25 AM
Replies: 10
Views: 3,613
Posted By bgerth

Uniflow tank pressure

I have always had trouble with consistant runs out of my C/L planes. They start off rich and wind up too lean. I mounted a muffler onto a McCoy 29 and sent pressure to a plastic clunk tank. No matter...
09-07-2010, 01:07 PM
Replies: 8
Views: 1,988
Posted By bgerth

RE: Looking for Octura Kool Klamps to buy

I was rummaging through a parts box when I came across an Octura Kool Klamp. I ran a search and an old thread of yours came up. Can you tell me what these are used for? A smoke system? I have a #12....
06-01-2009, 08:33 PM
Replies: 84
Views: 9,266
Posted By bgerth

RE: Diesels are dead - apparently!

Just want to jump in here with some information on the Honker Bipe. It was designed by the glider guy Dave Thornburg. R/C Modeller ran the plans in the March 1974 issue. Looks super simple to...
Forum: Control Lines
04-21-2009, 07:11 PM
Replies: 78
Views: 23,916
Posted By bgerth

RE: Sterling Ringmaster

Didn't want to start a thread for a simple question, I just reworked an old Ringmaster Junior w/electric and added landing gear. Can anyone tell me where the CG is supposed to be located? Right now...
Forum: Beginners
03-16-2009, 10:25 AM
Replies: 15
Views: 1,028
Posted By bgerth

When are glow plugs shot?

I'm using low nitro fuel(10%) in my OS LA .40. It kept running rougher the last 3 times I had it out. The glow plug still lights up so I figured that wasn't the problem. I then went to adjust on the...
12-06-2008, 07:47 AM
Replies: 6
Views: 1,806
Posted By bgerth

RE: Gas prop on an elecric plane?

The prop hole diameter is no problem. The emotor shaft is 8mm so I would have to ream the prop anyway. After thinking about it, the prop shouldn't care whether the 8000 rpm came from a piston or a...
12-05-2008, 10:41 PM
Replies: 6
Views: 1,806
Posted By bgerth

Gas prop on an elecric plane?

New to electric flight but I have flown C/L for 35 yrs and R/C for 3. Just finished building a Barnstormer manufactured in the mid 90's and intended for a .30 size glow engine. I have hung a Turnigy...
12-05-2008, 02:58 PM
Replies: 1
Views: 567
Posted By bgerth

Battery switch

I have a .30 size 48" span plane that has a Turnigy C4240-900 motor, 60A ESC, 14.8v 4000mAh lipo, and this is the first time I'm using a UBEC. The plane is 90% finished and the way the components are...
Forum: Kit Building
09-23-2008, 09:13 PM
Replies: 14
Views: 3,990
Posted By bgerth

RE: Polyester Resin instead of CA and Epoxy

Just like to jump in here with a quick question about Poly Resin. What can I use to thin it with? The viscosity out of the can is often thicker than I would like to work with. (I generally buy the...
Forum: Beginners
08-06-2008, 08:35 PM
Replies: 33
Views: 3,882
Posted By bgerth

RE: Airfield Etiquette - Was I Wrong?

Not wanting to start a new post I figure that this one is very closely related to what I need to know.
A few weeks ago a local club had an electric fly-in. There were about 4 planes in the air,...
06-10-2008, 09:58 AM
Replies: 51
Views: 10,913
Posted By bgerth

RE: Randolph Bee-Tween

Rich, about that dope you have, be careful because it does have a limited shelf life. I kept mine out in the garage and after two years it began to crystallize in the can. Had to throw it out. This...
06-02-2008, 11:28 AM
Replies: 51
Views: 10,913
Posted By bgerth

RE: Randolph Bee-Tween

Here are some pictures of my Bee-Tween's. I would like to emphasize what someon e said earlier, that the spar should be beefier. I once had a rough landing and the covering was torn on the underside...
06-02-2008, 04:37 AM
Replies: 51
Views: 10,913
Posted By bgerth

RE: Randolph Bee-Tween

Just now tripped across this thread. I have built three of these with brushless motors. The first was as per plans with a Cox Dragonfly on it. I built this when the plans first came out. It stayed in...
04-12-2008, 08:14 PM
Replies: 84
Views: 9,266
Posted By bgerth

RE: Diesels are dead - apparently!

Hopefully the two gallons will last me a long long time, anyway, the price won't be going down anytime soon. I also have a friend that has a couple of diesel C/L planes. If I didn't prod him along...
04-11-2008, 10:27 PM
Replies: 84
Views: 9,266
Posted By bgerth

RE: Diesels are dead - apparently!

I have a couple of questions about extracting ether from John Deere cans. How much do you recover per can and how much does a can sell for? I was just wanting to do the math to see if it would be...
12-03-2007, 10:15 PM
Replies: 16
Views: 1,641
Posted By bgerth

RE: Covering help

Just want to jump in here and warn everyone that 3M Super 77 spray adhesive has changed their formula and it now eats foam. I ruined a nice set of cores finding this out.

Bernie
Forum: Kit Building
11-14-2007, 03:54 AM
Replies: 135
Views: 26,211
Posted By bgerth

RE: balsa usa phaeton 90

I've had my eyes on this kit for a long time. Always wanted a warbird in this size, what plane could this kit resemble(sort of scale). I haven't fooled much with scale and don't know all the...
Showing results 1 to 25 of 46
 


 
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