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Posted by Xpress.. | Apr 19, 2017 @ 10:26 AM | 1,123 Views
I have been asked a few times lately about the proper way to install a servo into your aircraft utilizing the grommets and brass eyelets. A lot of people don't actually know and there isn't much documentation on the proper installation procedure so I am going to detail it here.

It's actually very simple, the grommets only install one way into the servo, it's the brass eyelet that you need to be concerned with. For most standard installations, the servo mounting rails will be installed above the mounting surface. The brass eyelets have a small flange on them, this flange is what needs to face into the mounting surface.

The reason you want the flange in the eyelet to face the mounting surface is so that it does not crush the mounting surface when you tighten the screw down. The wide flange spreads the load out, you always want the flange to face the mounting surface.

When you tighten the screw down, you don't want to crank the screw down. There is 2 reasons for this:

1. You don't want to crush the surface the brass eyelet presses into and possibly compromise the mounting surface.

2. You don't want to strip out the hole the screw threads into.

All you need is for the screw to pinch down on the rubber grommet, this will compress the grommet slightly and force it to squeeze both down onto the brass eyelet and squeeze out onto the servo mounting rails. This is plenty sufficient for both small aircraft all the way up to giant scale airplanes
Posted by Xpress.. | Feb 22, 2017 @ 02:00 PM | 3,002 Views
My main passion is RC airplanes, namely giant scale, but sometimes it's just not possible to go flying due to inclement weather conditions. Flying weekend after weekend can also burn you out so sometimes I like to take a break and change things up for a bit. Bi-monthly desert trips have helped out but one thing I always have enjoyed doing is RC cars. It started probably 15 years ago, not long after I started flying airplanes, with an XTM Xcellerator Nitro RTR from Hobby People. I drove the snot out of that car but eventually wound up selling it as I kept breaking turnbuckles. Upgraded to an XTM Xterminator RTR, not sure which version I had exactly but I know that it came with all of the upgraded parts on it and the 'big cooling head' on the XTM 24.7 engine. At some point I acquired an XTM Mammoth off of a flying buddy, he bought the truck to use for spare parts but the truck was all there in a box, I took it home and re-assembled it in a handful of hours. I still have that truck to this day and will have it running again in short order.

Fast forward to a handful of months ago last year, I got bit by the RC car bug again. I won a Traxxas T-Maxx 2.5R in a company giveaway which unfortunately had a locked up engine. I thought for sure the engine was a goner but my coworker suggested I take it all apart and soak it in nitro fuel overnight to see if that will free it up. That did the trick as the next day I was able to free up the stuck crank and she was spinning freely again....Continue Reading
Posted by Xpress.. | Feb 02, 2017 @ 03:06 PM | 3,409 Views
Out of all of the airplanes out there, 2 stand out as being my favorite. The first of which is the Slick, I have 3 of them in my hangar, all Aerobeez- a 48", a 70", and a 91" 70CC. The second of which, and certainly not any lesser, is the Edge 540. I've had a couple of Edge foamies through the years but never anything built up, let alone gas.

So here goes. Nothing over the top fancy, but it's not going to be an entirely stock build either. This is the particular scheme I have.

Now I've actually had this airplane since mid 2015 and decided I no longer want to wait to put it together, out came the credit card!!!

Last night I started with dripping some thin CA onto the outside of the phenolic tubes in both the wings and the elevators to make sure they are locked in place. I also dripped thin CA around the anti-rotation pins and servo pockets. Hitec HSB-9380TH servos were the servo of choice for this airplane for me so I dropped 2 into the left wing panel.

Of course it never dawned on me that I didn't have harnesses or aluminum horns for the servos until after I mounted the servos in place so that is where I stopped for the night.
Posted by Xpress.. | Nov 10, 2016 @ 03:03 PM | 4,767 Views
It's been a while since I made a blog entry, I figure I'll fill in what I have been up to. To keep a long story short, Aerobeez has generously offered to me a team sponsorship and has given me the opportunity to test out their new prototype 126" Extra 300.

Airplane specs:

-126" wingspan
-126" long
-40lbs dry weight
-Falcon 32x12
-Hitec HS-7980TH x6
-Hitec HS-M7990TH x2
-Hitec HS-5565MH x2

Another fellow team pilot Santiago had the airplane in his hands earlier this year and did a lot of testing with a DA-200 and a full 13 servos with the airplane flying at close to 50lb.

3D Night Flying at Joe Nall 2016 - Part 4 (6 min 20 sec)

It flew very well and tracked very true, the 200 having more than enough to haul the airplane around. Fast forward to August this year I wound up with the airplane in my hands and got to work getting it back in tip top shape. The airplane sat in a warehouse in LA during the middle of the summer heat so it was in desperate need of TLC which I was happy to oblige to. I thoroughly enjoy working on these airplanes as much as I enjoy flying them so it was no big deal.

Many hours with the covering iron later and she was looking fresh and renewed, ready for equipment to go in. I decided that I was going to take a more conservative approach with the servo count since it has provisions for 3 servos per aileron, 2 per elevator half, and 2 for the rudder, instead opting to go with 2...Continue Reading
Posted by Xpress.. | Feb 27, 2010 @ 08:32 PM | 145,744 Views
Well, after digging through some stuff today, I came across the beaten and slightly bashed Mountain Models Slipso fuselage I had placed inside a box for when I was moving. I remember working on the wing a year and a half or so ago, trying to give it a nice smooth airfoil, then coat it in epoxy and give it a nice finish

Welp, dug out the wing, and taped it to the fuselage ( ), and am going to work on it tomorrow or sometime, converting it to a nice micro sloper (or maybee back to a high speed plane..)
Posted by Xpress.. | Dec 05, 2009 @ 09:06 PM | 148,859 Views
Ok, made another battle bot today, using more HS55s. They still have the stupid wandering problem, so it's impossible to center them. But it works good

The flipper arm I have can easily flip a 75g box, which is good because the max weight is 75 grams for bots.

Here's some pics. I'll make another entry with a video.

Also, here's a video of a saw i'm working on to chomp through bots and flip them all around

Micro Battle Bot chomping saw (0 min 23 sec)

Posted by Xpress.. | Dec 04, 2009 @ 11:14 PM | 149,491 Views
Okay, so i made this little guy today for battle at an upcomming show.

They're pretty easy to make, and only require a few simple things a lot of people might have lying around.

Materials list:

Pieces of 3mm and 6mm dperon (or cardboard)
2, 7-9 gram high speed servos
Scraps of carbon fiber flats, or balsa wood (for strength)
Hot Glue
Micro receiver
2s 200-400 mah lipo
Small BEC
Small motor with Rx connector wired up (for a simple saw)
Elevon mixing

Now, you can build pretty much any shape robot you want- I myself am going for a small design under 75 grams, and smaller than a 4" square box (for the competition).

First step is to modify your servos, so that they will drive continuously, and not stop when you push the sticks to the full (they will stop moving once at center).

Follow this link for step by step instructions to modify your servos:

Once you have done that, you can now either make some wheels out of foam or cardboard, and glue them to a servo arm, or cut some pushrods the same diameter as the hole in the servos output head, and use some wheels that have the same diameter hole as the axle, and glue them into place (carefully! you don't want to freeze the output head in place!).

Now, assemble everything onto the chassis, and then begin to build foam around everything. First, make the sides of the bot, so nothing gets in the way of the wheels. Now, make the front, and rear. Typically, you...Continue Reading
Posted by Xpress.. | Mar 09, 2009 @ 01:05 PM | 148,357 Views
Well recently being moved from my old workshop (as well as my big flying space ), I had to setup a new one. Luckily, the new house I've moved to had a basement room that I'm using as a current workshop. There's just enough space to store all of my gear in there, and have a good space to work on.

I've only built (well, rebuilt) one plane on it sofar, and it's working good sofar. Gotta add more pegboard on the workshop wall, and all the holders for all of my tools. Also, probably going to build a charging station, when I get a few more chargers.