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Search: Posts Made By: ec121
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Forum: Marketplace
02-11-2019, 06:29 PM
Replies: 0
Views: 505
Posted By ec121

ZDZ80rv with KB can muffler and some parts.

I am downsizing. One day while I was tightening the landing gear bolts, I took this picture. I have an old model ZDZ80(RV?) for sale with a KB pipe muffler, Xoar laminated 26x10prop, and spinner. It...
Forum: Marketplace
04-10-2018, 07:39 AM
Replies: 0
Views: 153
Posted By ec121

ZDZ80RV with KB can muffler and some spare parts.

I am downsizing. One day while I was tightening the landing gear bolts, I took this picture. I have an old model ZDZ80(RV?) for sale with a KB pipe muffler, Xoar laminated 26x10prop, and spinner. It...
Forum: Gas Engines
09-07-2015, 05:24 AM
Replies: 23
Views: 1,523
Posted By ec121

I had a Quadra coil go out. No sputtering. It...

I had a Quadra coil go out. No sputtering. It just quit. They will do it. I got the model number and called the manufacturer. $19 from them.
Forum: Gas Engines
02-08-2015, 05:14 AM
Replies: 4
Views: 1,685
Posted By ec121

It could be firing out of time. Might be the...

It could be firing out of time. Might be the ignition breaking down at high load.
Forum: Gas Engines
01-20-2015, 12:51 PM
Replies: 53
Views: 8,705
Posted By ec121

I agree. Anything over 20cc doesn't need the...

I agree. Anything over 20cc doesn't need the mod. I'm using the Supertigre 3200 because it already has the gas conversion plus the small threads. It was given to me so no great loss if it doesn't...
Forum: Gas Engines
01-20-2015, 07:31 AM
Replies: 53
Views: 8,705
Posted By ec121

I have a converted ST 3200. Already has a...

I have a converted ST 3200. Already has a Walbro carb. and 1/4x32 threads. I'm going to order one of those plugs to get rid of the old ProSpark ignition that came with it.
Forum: Beginners
09-22-2014, 04:53 AM
Replies: 2
Views: 393
Posted By ec121

I also broke a switch on the Tactic. The switch...

I also broke a switch on the Tactic. The switch levers are hollow because there is a spring in them and really thin where they neck down to enter the switch body. Doesn't take much to break one. ...
Forum: Gas Engines
05-24-2014, 06:10 AM
Replies: 7
Views: 676
Posted By ec121

Open and closed is all you need. Once it starts...

Open and closed is all you need. Once it starts let it idle a bit to warm up before running up the engine. I don't run mine up until I taxi it out to the runway. If it bogs down when you try to...
Forum: Gas Engines
05-06-2014, 06:07 AM
Replies: 35
Views: 5,557
Posted By ec121

If you will read the owner's manual, it will tell...

If you will read the owner's manual, it will tell you that because gasoline burns hotter, they made the muffler larger for better cooling. A Pitts style muffler is lower volume and running too hot. ...
Forum: Gas Engines
05-02-2014, 09:15 AM
Replies: 23
oil
Views: 1,212
Posted By ec121

I guessing that they reformulated it to make one...

I guessing that they reformulated it to make one oil work for both for economic reasons. If the air cooled oil specs are tougher due to cooling and lubricating requirements, they could call the oil...
Forum: Gas Engines
05-02-2014, 06:18 AM
Replies: 23
oil
Views: 1,212
Posted By ec121

Pennzoil's label says that their 2 stroke oil is...

Pennzoil's label says that their 2 stroke oil is good for all types of air or water cooled engines.
Forum: Gas Engines
04-09-2014, 04:57 AM
Replies: 11
Views: 581
Posted By ec121

I packed my clutch bearing with axle bearing...

I packed my clutch bearing with axle bearing grease about once a year and let it go. Never had a problem.
Forum: ARF or RTF
03-31-2014, 04:24 AM
Replies: 18
Views: 936
Posted By ec121

Dowels will work for standoffs if they are good...

Dowels will work for standoffs if they are good hardwood. I use plywood or metal. I have some aluminum plate from my old workplace. Lowe's, etc. sell 1in. wide aluminum strips about 1/8" thick. ...
Forum: ARF or RTF
03-30-2014, 06:11 AM
Replies: 18
Views: 936
Posted By ec121

Should work to get the measurement. I once put a...

Should work to get the measurement. I once put a screw in the firewall and hung lead from it to get the correct balancing weight. Had to calculate the CG of a 72in. biplane then see how much weight...
Forum: ARF or RTF
03-29-2014, 08:08 PM
Replies: 18
Views: 936
Posted By ec121

A 2x4 might split. It would be OK for checking...

A 2x4 might split. It would be OK for checking the CG movement, but I wouldn't fly it that way. Better to use aircraft plywood stacked up. It only needs to be stacked at the mount bolts. Cut 1x1...
Forum: ARF or RTF
03-29-2014, 02:38 AM
Replies: 18
Views: 936
Posted By ec121

I would calculate the CG myself. Don't trust the...

I would calculate the CG myself. Don't trust the manual. Should be able to start at about 25-30% of the chord on a straight wing. You can also set the motor out some to offset adding so much...
Forum: Gas Engines
03-28-2014, 09:18 AM
Replies: 8
Views: 1,751
Posted By ec121

I have a Quadra 40, half to three quarters pull...

I have a Quadra 40, half to three quarters pull is all that is required if it primed correctly. There are also conversion kits for the G62 to make it an electronic ignition. Horizon also has...
Forum: ARF or RTF
03-28-2014, 09:12 AM
Replies: 35
Views: 5,697
Posted By ec121

If it has an airfoiled tail, the CG will be...

If it has an airfoiled tail, the CG will be farther back to balance out the tail lift.
Forum: ARF or RTF
03-24-2014, 07:29 PM
Replies: 15
Views: 1,104
Posted By ec121

Did you tell the customer the situation or leave...

Did you tell the customer the situation or leave him wondering?
Forum: ARF or RTF
03-24-2014, 05:17 AM
Replies: 18
Views: 2,216
Posted By ec121

For the prices at TRCplanes you can't complain...

For the prices at TRCplanes you can't complain much. I bought a 65in. .40 trainer(Explorer maybe) and put a GMS .75 on it. Flew it like crazy. Couldn't break it. Not the greatest covering but it...
Forum: ARF or RTF
03-24-2014, 05:12 AM
Replies: 299
Views: 39,833
Posted By ec121

I had one of the first RCGuys Sheber Pitts ARFs....

I had one of the first RCGuys Sheber Pitts ARFs. $399 back then. It took 1/8 shims on the TE of the top wing struts, and I had to file the dowel holes lower to make the wing come up into the wing...
Forum: Gas Engines
03-01-2014, 07:33 AM
Replies: 20
Views: 7,119
Posted By ec121

For even more room read up on the glow/gas...

For even more room read up on the glow/gas conversion and do away with the ignition. I am going to try it on a gas converted Supertigre 3200.
Forum: Gas Engines
03-01-2014, 07:27 AM
Replies: 9
Views: 1,530
Posted By ec121

You don't necessarily have to redrill the holes. ...

You don't necessarily have to redrill the holes. The RCEXL universal kit uses a hose clamp. Not elegant but infinitely adjustable. I have also used one screw and a big zip tie. A little...
Forum: Gas Engines
03-01-2014, 07:21 AM
Replies: 5
Views: 448
Posted By ec121

+1 Polish the piston and get a new ring.

+1 Polish the piston and get a new ring.
Forum: The Clubhouse
03-01-2014, 07:13 AM
Replies: 32
Views: 1,552
Posted By ec121

A belt tensioning pulley arm laying on a micro...

A belt tensioning pulley arm laying on a micro switch in the throttle circuit would kill the circuit if it came off the switch. Too much line tension would overcome the arm spring tension and...
Showing results 1 to 25 of 500
 


 
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