Search: Posts Made By: gcb
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Forum: Everything Diesel 05-04-2017, 11:06 AM
Replies: 17
Views: 1,809
Posted By gcb
One of the best points of using a diesel is the...

One of the best points of using a diesel is the ease of tuning it for various prop sizes. Although many props would work, for a full-size Flite Streak I would use either an 8x6 or a 9x4.

I would...
Forum: Control Lines 01-28-2017, 03:39 PM
Replies: 8
Views: 1,467
Posted By gcb
It might be a bit nose heavy. :) :) George

It might be a bit nose heavy. :) :)

George
Forum: Control Lines 12-09-2016, 05:57 PM
Replies: 122
Views: 7,110
Posted By gcb
Tony, the actual name of that engine is the Space...

Tony, the actual name of that engine is the Space Bug. Shortly after it was introduced for CL the Thermal Hopper was introduced for FF. Next the Space Bug Junior was introduced.

To avoid confusion...
Forum: Control Lines 11-23-2016, 05:23 AM
Replies: 59
Views: 3,396
Posted By gcb
A little tourist info...the glow plug element is...

A little tourist info...the glow plug element is not Nichrome, it is Platinum. Once the engine is running and the booster is removed a catalytic reaction between the platinum and the alcohol in the...
Forum: "1/2 A" & "1/8 A" airplanes 10-30-2016, 05:46 AM
Replies: 28
Views: 3,828
Posted By gcb
Oops! You were typing while I was reading. Sorry...

Oops! You were typing while I was reading. Sorry for any redundancy.
Forum: "1/2 A" & "1/8 A" airplanes 10-30-2016, 04:46 AM
Replies: 28
Views: 3,828
Posted By gcb
George, Sorry for not seeing this thread...

George,
Sorry for not seeing this thread sooner. The K&B is an iron/steel engine and needs 20%-22% lube. I prefer all-castor for those. Have not tried synthetic mix in them. Perhaps others will...
Forum: Glow Engines 09-19-2016, 04:39 AM
Replies: 14
Views: 1,693
Posted By gcb
I used 8x4-8x6 on my CL stunt/sport planes. I...

I used 8x4-8x6 on my CL stunt/sport planes. I think they were preferring 7x5 for Quarter Midget racing at that time. Never flew FF but I would guess ~8x3. The only RC plane I had a Max-III in was a...
Forum: Glow Engines 09-18-2016, 02:30 PM
Replies: 14
Views: 1,693
Posted By gcb
If you run it with all-castor lube it may pick up...

If you run it with all-castor lube it may pick up a little compression.

George
Forum: Everything Diesel 08-11-2016, 06:45 AM
Replies: 11
Views: 1,007
Posted By gcb
I would suggest you run it as is, even if you...

I would suggest you run it as is, even if you need to use a starter the first time. You may find that a hard flick will start it. I have a diesel that had almost no compression from new (MARZ-3). The...
Forum: Everything Diesel 08-11-2016, 06:15 AM
Replies: 4
Views: 591
Posted By gcb
I do not use iron-on covering but I have read...

I do not use iron-on covering but I have read comments about sealing all seams with a brush and fuel proof dope. That will also help those who switch between glow and diesel. My assumption is that...
Forum: Everything Diesel 06-28-2016, 04:10 PM
Replies: 17
Views: 1,668
Posted By gcb
I like to adjust for peak. The compression will...

I like to adjust for peak. The compression will then have a flat spot where if you lower it RPMs will drop off. For CL I then raise it back to peak. If you continue to raise compression RPM will...
Forum: Glow Engines 06-03-2016, 03:36 PM
Replies: 36
Views: 1,840
Posted By gcb
What is your problem when hand starting? If it is...

What is your problem when hand starting? If it is back-firing, try flipping it backwards.

George
Forum: Everything Diesel 04-23-2016, 12:13 PM
Replies: 23
Views: 3,280
Posted By gcb
That is the one. It has a shorter aspect ratio...

That is the one. It has a shorter aspect ratio than the original Flite Streak and is/was a top selling plan from Aeromodeler magazine. Don't confuse that one with the full-blown stunt plane George...
Forum: Everything Diesel 04-22-2016, 04:26 PM
Replies: 23
Views: 3,280
Posted By gcb
You might be more satisfied with a profile...

You might be more satisfied with a profile "Peacemaker". It also was designed by George Aldrich but is sized between the full-size and the Jr. and was designed for a .15 (2.5) diesel. The original...
Forum: Glow Engines 04-13-2016, 04:00 AM
Replies: 4
Views: 508
Posted By gcb
As for the plug...Champion was the top rated plug...

As for the plug...Champion was the top rated plug in my area until the mid/late fifties when Champion stopped making them because it cost more to make a glow plug than a spark plug for a car. People...
Forum: "1/2 A" & "1/8 A" airplanes 04-10-2016, 05:14 AM
Replies: 38
Views: 2,561
Posted By gcb
I don't normally use pressure so correct me if I...

I don't normally use pressure so correct me if I am wrong but I think the fine-thread needle is for higher bladder pressure so perhaps with backplate pressure you should be using the standard needle...
Forum: "1/2 A" & "1/8 A" airplanes 04-08-2016, 01:01 PM
Replies: 55
Views: 3,696
Posted By gcb
To those who are new to TD engines, you must...

To those who are new to TD engines, you must drill out the pressure tap if you want to use it. After that, if you want to run without pressure you must plug it.

George
Forum: Control Lines 03-19-2016, 08:38 PM
Replies: 20
Views: 2,401
Posted By gcb
In the early days of CL, a FF converted to CL use...

In the early days of CL, a FF converted to CL use was referred to as a "Goat". Wonder what you would call an RC plane converted to CL? :-)

George
Forum: Control Lines 02-23-2016, 10:12 PM
Replies: 20
Views: 2,401
Posted By gcb
I recommend break-in on a bench so you have full...

I recommend break-in on a bench so you have full control at all times. Do a series of short runs of about two minutes which you end by pinching or disconnecting the fuel line and let the engine cool...
Forum: Control Lines 01-26-2016, 04:40 AM
Replies: 58
Views: 6,559
Posted By gcb
The last Akromaster I built has extended wings....

The last Akromaster I built has extended wings. The kit LE and TE have about half a rib extra that you are supposed to trim off...I opted to take advantage of the extra length to add a few square...
Forum: Control Lines 01-09-2016, 09:42 PM
Replies: 6
Views: 857
Posted By gcb
I believe that the 4055 was a special made ABC...

I believe that the 4055 was a special made ABC version that was set-up for stunt and sold by Brodak's.

George
Forum: Control Lines 12-24-2015, 06:24 AM
Replies: 11
Views: 1,115
Posted By gcb
Problem with anything government controlled is...

Problem with anything government controlled is their one-size-fits-all mentality. As we all know, one size almost NEVER fits all.

We are being WAY over governed by the present administration!
...
Forum: Control Lines 12-22-2015, 07:11 AM
Replies: 11
Views: 1,115
Posted By gcb
Got a notice from AMA to hold off on registering....

Got a notice from AMA to hold off on registering.

George
Forum: Control Lines 12-14-2015, 08:39 AM
Replies: 20
Views: 2,401
Posted By gcb
I THINK what you have is the version before they...

I THINK what you have is the version before they started painting the head green. K&B was one of the first engines to use a tapered piston to reduce heat and shorten break-in. I think they (along...
Forum: Control Lines 10-20-2015, 06:11 AM
Replies: 31
Views: 2,360
Posted By gcb
Davey, a few things to try: Check the...

Davey, a few things to try:

Check the balance (CG) and make sure the plane is not tail heavy.

Check that the wing and stab incidence are the same (probably 0 ).

Check the control movement....
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