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Search: Posts Made By: pbunn
Showing results 1 to 25 of 124
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Forum: Golden Age, Vintage & Antique RC
08-28-2007, 02:30 PM
Replies: 17
Views: 1,665
Posted By pbunn

RE: Celluloid

Ping Pong balls are still made of opaque celluloid. It burns rapidly but is not explosive. Many still make nitrocellulose laquer by disolving ping pong balls in acetone.

Its use has greatly...
Forum: Brushed/Brushless motors, speed controls, gear drives
08-13-2007, 03:23 PM
Replies: 14
Views: 3,786
Posted By pbunn

RE: Eflite 40A ESC on FIRE!

I guess I should read this forum more often. It happened to me about 9 mos ago. I called Horizon and they told me there was no waranty for crash damage - mine blew on the first power up on takeoff of...
Forum: Brushed/Brushless motors, speed controls, gear drives
08-13-2007, 02:44 PM
Replies: 5
Views: 1,413
Posted By pbunn

RE: Fried my Eflite 40A ESC V2

I didn't have near as good of a responce from Horizon when my Eflite ESC blew up in the same way. I told the tech that I was taking off and there was a flash and the ESC smoked and the plane ran off...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros
08-13-2007, 02:14 PM
Replies: 35
Views: 3,422
Posted By pbunn

RE: Lipo for your Transmitter

"These wall chargers that come with the radios are not much good. "

Why would that be? They charge at a .1C rate which won't do damage and they slowly charge the battery without heating it or...
Forum: RC Radios, Transmitters, Receivers, Servos, gyros
08-01-2007, 01:43 PM
Replies: 148
Views: 23,442
Posted By pbunn

RE: 2.4 GHz - A Broad Market Review

A "gain " antenna does not increase power at the transmitter. It increases the effective radiated power. It does so by forcing the energy into a beam like a light with a reflector lens- sending...
Forum: Composites Fabrication And Repair
07-30-2007, 09:39 AM
Replies: 13
Views: 2,507
Posted By pbunn

RE: Accident at Scaled Composites

It appears that they were running a cold flow test of nitrous through the motor injectors with no fuel. This was considered safe but the air temperature at the test site was very hot and it appears...
Forum: Brushed/Brushless motors, speed controls, gear drives
06-15-2007, 12:59 PM
Replies: 112
Views: 48,712
Posted By pbunn

RE: Tower Pro Brushless ESC's

To the "keen electronics expert" quite a few posts back. There is a reason that most ESC can't power many servos.

Your simple solution is too "simple" With three Lipos (11.1 volts) your 3...
Forum: Everything Diesel
06-07-2007, 10:07 AM
Replies: 1,038
Views: 168,585
Posted By pbunn

RE: Substitute for Ether

There has been a pretty large amount of evolution is the progress of the olive oil - reduced either fuel and also the methods of polymerizing of olive oil.

I am interested in a 5 % or so...
Forum: Everything Diesel
11-08-2006, 11:20 AM
Replies: 7
Views: 17,316
Posted By pbunn

RE: lawnmower's converted to 4 stroke diesel

It will probably work! A few years ago - I accidently filled my lawn mower with diesel fuel from the pump - It was a jug I had used fo mixing home brew model fuel and my son thought it was gasoline....
Forum: Glow Engines
10-17-2006, 02:35 PM
Replies: 42
Views: 6,067
Posted By pbunn

RE: Yamada fuel injection

Go over to the YS Factory service forum and take a gander. There must be a lot of people with low IQs out there as the favorite line is "send it back"

I have a YS110 that runs very strong and I...
Forum: Glow Engines
10-03-2006, 12:32 PM
Replies: 2
Views: 516
Posted By pbunn

Magnum .46

I have a Magnum 46 that runs very strong and has good throttle range. When I slow it down, it idles slow but wants to vibrate so bad it flexes the engine mount. At full speed vibration is not bad. ...
Forum: Glow Engines
09-13-2006, 06:06 PM
Replies: 37
Views: 2,843
Posted By pbunn

RE: Tower Brand VS OS

Both the GMS and Supertiger are machined at the same facility - The Supertiger engines are made under contract to Supertiger specs. Same for GMS - different contract, different specs.

Supertiger...
Forum: Glow Engines
09-08-2006, 04:41 PM
Replies: 33
Views: 18,425
Posted By pbunn

RE: Older Super Tiger "saturno"

I have a .60 ST Saturno that I bought new in the early 80s. I broke the carb in a crash and have not used it since. Was a very good running engine with a great idle.
Forum: Everything Diesel
09-08-2006, 04:24 PM
Replies: 29
Views: 3,718
Posted By pbunn

RE: New made in USA diesel coming??

And when the manufacturer sells the first 10 or 15 engines to the members on this forum - then who will he sell to?

Face it - there is no market, fuel is not readily available, and diesel...
Forum: Glow Engines
08-17-2006, 08:57 AM
Replies: 67
Views: 14,758
Posted By pbunn

RE: where can i get dawn power dissolver motor cleaner

Got some last night at Wally World.
Forum: Glow Engines
08-15-2006, 09:54 AM
Replies: 32
Views: 2,839
Posted By pbunn

RE: Magnum Engines, any good?

I have three of the Magnum 4 strkes and all are nice engines. I have about 5 Saitos and they are definately more powerful but they cost more. There is nothing wrong with the Magnums, they start easy...
Forum: "1/2 A" & "1/8 A" airplanes
08-09-2006, 08:11 AM
Replies: 18
Views: 1,419
Posted By pbunn

RE: beryllium 1/2A reed valves

Beryllium is a sligtly radioactive element and main use is in spring type electrical conductors. It makes copper very springy when mixed with it. Brush Wellman is the US manufacturer of most...
Forum: Glow Engines
07-28-2006, 09:31 AM
Replies: 109
Views: 7,702
Posted By pbunn

RE: 4 stroke pick?

SteveL

I got your PM and sent a return but it bounced with the message that you had PM disabled.\

Pat Bunn

email [email protected]
Forum: Glow Engines
07-28-2006, 08:43 AM
Replies: 109
Views: 7,702
Posted By pbunn

RE: 4 stroke pick?

The Hobby Shop owner told you right. I have a YS110 in a Showtime. It is powerful, moreso than a Saito 125. It is a great engine for that plane.

It is not as easy to run as my Saitos. When...
Forum: Glow Engines
07-25-2006, 04:55 PM
Replies: 48
Views: 5,584
Posted By pbunn

RE: Dar Zeelon - Where Art Thou?

And now ladies and gentlemenn, you see the reason that the Israeli armed forces need to have every weapon available to them.

They are not safe in the Mid East as they were not safe in Europe - ...
Forum: Everything Diesel
07-19-2006, 07:05 PM
Replies: 29
Views: 162,025
Posted By pbunn

RE: where to buy ether?

FHS Supply - they make Red Max fuel and blend Eric Cluttons diesel has it at about $40 per gallon. That is where I bought my last gallon. I am not sure they will ship it.

I used to get the local...
Forum: Everything Diesel
07-19-2006, 06:47 PM
Replies: 3
Views: 733
Posted By pbunn

RE: Carbon Disulphide in place of ether?

All that I have ever seen stinks something awful. And diesel stinks bad enough as is.

Might be worth some tests.

Alfa list 99.9 % pure at $44 per liter. That is not a bad price for a pure...
Forum: Glow Engines
07-16-2006, 09:59 AM
Replies: 20
Views: 3,282
Posted By pbunn

RE: Find Nitromethane and castor oil

$12 a gallon for methanol? More like $3 per gallon.

I pay about $39 per gallon for nitro and $25 or less a gallon for Syn oil locally -

That make 20/20 fuel cost me $7.80 for Nitro...
Forum: Gas Engines
07-12-2006, 03:31 PM
Replies: 30
Views: 4,445
Posted By pbunn

RE: Hard Starting DA50 - (Not Starting)

Well I got through to DA today and they are, as everyone said extremely helpful. I feel lots better and I haven't even touched the engine yet.

They tell me that sometimes the choke appears...
Forum: Gas Engines
07-12-2006, 09:23 AM
Replies: 30
Views: 4,445
Posted By pbunn

RE: Hard Starting DA50 - (Not Starting)

I appreciate everyones help and your correct - I am frustrated with DA. I just called them and got the machine again. They will probably call during lunch and then - I'll call them again and start...
Showing results 1 to 25 of 124
 
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