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Search: Posts Made By: grebmohr
Showing results 1 to 25 of 36
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Forum: Park Flyers & Backyard Flyers
07-28-2008, 07:04 PM
Replies: 6
Views: 709
Posted By grebmohr

RE: Glow flyer needs help powering electric bird

Thanks for the info. I guess a stick to outrunner motor adapter would work. Do those things usually leave the adapter shaft in the same place as a gear box?

I really know nothing about...
Forum: Park Flyers & Backyard Flyers
07-28-2008, 02:20 PM
Replies: 6
Views: 709
Posted By grebmohr

Glow flyer needs help powering electric bird

Hi,
I got a goldberg chipmunk "400" a couple years ago as a present. Had kids so hectic for a couple years. Finally settling into building the little yankee cranker.
The spec'd motor/gearbox in...
Forum: RC Warbirds and Warplanes
01-25-2004, 11:58 PM
Replies: 3
Views: 609
Posted By grebmohr

RE: ELEVATOR ON B-24

Bet I am too Late but here goes nothing and I mean nothing.

B-24's and other large birds had some AL. on the moveable fabric covered surfaces: some at leading edge as covers others include metal...
Forum: Glow Engines
01-03-2004, 11:17 PM
Replies: 1
Views: 473
Posted By grebmohr

OS 70FSII Oil in Valve Cover...

May be nothing -- maybe something-- it is my first 4S engine so here goes.

My engine is mounted at 120 degrees. I was checking my valve lash after break-in and noticed that the valve cover was...
Forum: Kit Building
12-24-2003, 12:12 AM
Replies: 4
Views: 1,165
Posted By grebmohr

RE: Sterling Models Olympic Challenger

I built it- flew it and killed it. Mine was .25 powered and it burned up the sky. with a 39 it ought to go vertical. be ready to add lead.
with the weight you may be in an area of diminishing...
Forum: Golden Age, Vintage & Antique RC
12-24-2003, 12:06 AM
Replies: 2
Views: 930
Posted By grebmohr

RE: Sterling Models Olympic Challenger

Built and flew in 1986. OS 25 FSR 4 Chnl. I remember a very fast, responsive plane. Built quickly, poor wood however.
Watch Elevator throw or it will tip stall at very inconvenient moments. Was...
Forum: Golden Age, Vintage & Antique RC
12-23-2003, 11:55 PM
Replies: 331
Views: 145,409
Posted By grebmohr

RE: Sterling Models

I flew a Sterling Challenger in the 80's. a more modern design but I remember two things-- fast build (some custom work required) and it flew like a bat out of hell with an OS.25 FSR. Wish I had it...
Forum: Crash & Rebuild
11-23-2003, 12:35 AM
Replies: 9
Views: 1,580
Posted By grebmohr

RE: Eagle 2 tree collision. Pics

I gotta tell ya--

I had a Goldberg Jr. Tiger do the same thing years ago. I still remember the wings sitting in the tree and the fuselage just shooting out the other side. Very Bizarre to...
Forum: Crash & Rebuild
11-23-2003, 12:28 AM
Replies: 1
Views: 828
Posted By grebmohr

RE: Dr.1 Goes in -- lightly

Somuna beach!

Did it again today. This time stalled in x-wind landing about 2 feet up. boinked it and cartwheeled.

Same break same panel -new wing tho. Was a clean break and I...
Forum: Crash & Rebuild
11-15-2003, 12:36 PM
Replies: 32
Views: 5,473
Posted By grebmohr

RE: Big B-25 crash

I recall accident investigation class when we discussed the chain of errors required for an accident to happen.

Lets go through them.

1 first flight? has its own issues.
2 botched landing...
Forum: Crash & Rebuild
11-15-2003, 11:47 AM
Replies: 1
Views: 828
Posted By grebmohr

Dr.1 Goes in -- lightly

Had a maalox moment this am.

Still getting used to rudder input on take off with GP Fokker. On third flight of the morning.. Balked two attemps due to swerving, thought should taxi back and...
Forum: Crash & Rebuild
10-15-2003, 06:16 PM
Replies: 6
Views: 1,778
Posted By grebmohr

RE: DEATH SPIN FROM 500'

It is important to note that a Full scale corsair is not anything to spin either. My guess is that burble from the stalled wing must interfere with elevator control. Perhaps from the gull shape?? ...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros
10-11-2003, 09:50 PM
Replies: 3
Views: 558
Posted By grebmohr

New Transmitter

I want to upgrade my transmitter used to fly my three airplanes.

I currently use a 6ch Airtronics but I cannot find any transmitter only sales...

I must be searching incorrectly..

...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros
10-11-2003, 09:44 PM
Replies: 3
Views: 778
Posted By grebmohr

RE: Aileron Servo problem

yeah it is wierd I have never had problem like this before.

I do have an extension in that servo line. But what would make it start working normally after working the servo a little?

...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros
10-11-2003, 08:49 PM
Replies: 5
Views: 564
Posted By grebmohr

RE: Tower wiring woes.

Correct - but the circuits connected to the wires can get pretty miffed.:D
Forum: RC Radios, Transmitters, Receivers, Servos, gyros
10-11-2003, 08:43 PM
Replies: 3
Views: 778
Posted By grebmohr

Aileron Servo problem

I am using an Airtronics Radiant radio in my GP Super Sportster. Many flight and never a problem in the past.

Now, sometimes, When I turn on the radio the aileron servo acts strange.

...
Forum: Gas Engines
10-09-2003, 11:22 PM
Replies: 16
Views: 1,442
Posted By grebmohr

RE: Need help with two G26's

I don't remember the speed rating- but I used to use a 5 mil aluminum tape that had around 60 ounce/inches of adhesion and a temp range from freezing to 325 degrees.

Does that sound like your...
Forum: Crash & Rebuild
10-05-2003, 01:08 AM
Replies: 29
Views: 3,594
Posted By grebmohr

RE: Death Spin from 650'

If your correction to break the stall was up then it was an inverted spin?? Sounds like with the elevator issue you are very lucky it did not recover on its own as most trainers (even scale ones)...
Forum: Crash & Rebuild
10-05-2003, 12:32 AM
Replies: 110
Views: 17,261
Posted By grebmohr

RE: Who owns a plane from the trash?

I will always remember the first putz I met at a flying field. We used to fly at an abondoned x-road in Florida. Our cars and others would be lined down the road not favored by the wind. With...
Forum: Crash & Rebuild
09-30-2003, 10:46 PM
Replies: 4
Views: 1,031
Posted By grebmohr

RE: Dogfight of the third kind...

Having a dog similar to that one, half mini poodle, half Pekingese- I know just what you are talking about.

It just so happens that mine is scared stiff of the loud motors- a very good thing.
...
Forum: Crash & Rebuild
09-30-2003, 10:38 PM
Replies: 29
747
Views: 7,371
Posted By grebmohr

RE: 747

Man

That beast could use some flaps and maybe a leading edge device or two to help it slow down a bit. Even too fast an approach (for that runway) was darn near stall speed for that HiPer wing....
Forum: ARF or RTF
09-30-2003, 10:07 PM
Replies: 18
Views: 2,438
Posted By grebmohr

RE: Warning: Hangar 9 Rant

Lee

Thanks for the motivation to finish this bird. I found the page on Horizons site describing the problem just a few minutes after I discovered there was a problem.

I did not use the...
Forum: Product Announcements & Manufacturer News
09-30-2003, 01:30 PM
Replies: 0
Views: 583
Posted By grebmohr

New Line of Flight Boxes

I am manufacturing a new line of light weight flight boxes for Gassers, Glowers, Volters and Heli-monsters.

Each Type will be type specific and I am asking those in the know what features they...
Forum: "1/2 A" & "1/8 A" airplanes
09-29-2003, 09:34 PM
Replies: 6
Views: 2,967
Posted By grebmohr

RE: Looking for two Cox .049 R/C Planes

Man !!

Memories! I had some serious desires to own the centurion in the early 80's - I bought the glow Sportavia because it would be easier to fly... Yeah shredded it on the first flight.

...
Forum: Crash & Rebuild
09-29-2003, 09:17 PM
Replies: 56
Views: 19,367
Posted By grebmohr

RE: B-52 crash vid clip

BLTN

Watched it over and over to see anything to give me a clue about that one.

It appears the Flaps were deployed. and there was a full Spoileron deflection on the right wing. Man - I...
Showing results 1 to 25 of 36
 
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