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Search: Posts Made By: sahartman21
Showing results 1 to 25 of 48
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Forum: Q-500 Racing
12-13-2018, 04:09 PM
Replies: 69
Views: 21,227
Posted By sahartman21

If it pitches upward in the turn you will need to...

If it pitches upward in the turn you will need to add some weight on the left wing tip.

It will need about 2 to 3 quarters on the left wing tip to stop the climb.
Forum: Q-500 Racing
06-11-2018, 03:48 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

I use nylon bolts from either a hardware store or from online.

https://www.microfasteners.com/home.php?cat=760
Forum: Q-500 Racing
12-12-2017, 11:01 AM
Replies: 69
Views: 21,227
Posted By sahartman21

Dave, Thanks for the "Seeker" design. It is...

Dave,

Thanks for the "Seeker" design. It is one of my favorites.

These painted wood Q500s have come out very close to minimum weight and fly great.

My Sam-Rai winged model (based upon your...
Forum: Q-500 Racing
08-15-2017, 12:50 PM
Replies: 69
Views: 21,227
Posted By sahartman21

You are correct that sanding to an airfoil shape...

You are correct that sanding to an airfoil shape will impact how the stabilizer fits onto the fuselage. My shaping was minimal, only on the leading and trailing edges.

I found that the...
Forum: Q-500 Racing
05-31-2017, 05:57 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

A small amount of finishing epoxy and micro-balloons were mixed to form a filler. It should be relatively thick so it doesn't run.

The mix is used to fill the hole and hold the control horns in...
Forum: Q-500 Racing
05-31-2017, 05:51 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

Here are some pictures showing construction of the "V Tail":

1) Begin by marking a cut mark approximately 1 1/8" from the trailing edge of the tail.
2) Follow by cutting a 3/32" slot in front...
Forum: Q-500 Racing
05-02-2017, 09:23 AM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

Here is a picture of the framed up model.

Engine and radio installation remain.
Forum: Q-500 Racing
05-02-2017, 09:21 AM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

The fuselage was lightly sanded with 2000 grit wet and dry paper used wet.

It was later polished with my 6" buffer.

At this point the fuselage is lightweight, relatively good looking, and is...
Forum: Q-500 Racing
05-01-2017, 01:22 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

That sounds like a great way to go also.
Forum: Q-500 Racing
05-01-2017, 08:30 AM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

The spray gun used was one of 5 that came in a package. They were about $10 for the set.

I don't bother cleaning them up after painting. Just remove the bottle and throw it away.
Forum: Q-500 Racing
05-01-2017, 08:21 AM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

I went a different route.

A small portion (0.67 ounce) of red acrylic enamel automotive paint was mixed per the directions. It was thinned about 30% with appropriate thinner.

It was filtered...
Forum: Q-500 Racing
05-01-2017, 08:14 AM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

The surface of the fuselage was wet sanded with 400 grit paper on a sanding block.

In a few minutes the fuselage was looking good.

A lot of folks follow with clear coat over the natural wood. ...
Forum: Q-500 Racing
04-29-2017, 06:58 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

The fuselage was lightly sanded and a very light coat of finishing epoxy was applied.

The fuselage was set out of the way to dry.
Forum: Q-500 Racing
04-29-2017, 01:06 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

Finishing epoxy was spread over the fiberglass cloth. Do your best to attach the cloth to the wood using the finishing epoxy.

Set the fuselage out of the way to dry.
Forum: Q-500 Racing
04-29-2017, 01:03 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

Petroleum Jelly was applied inside holes in the firewall to keep the glue out.

Two layers of fiberglass cloth reinforce the firewall. Pieces of fiberglass cloth we cut out and tacked in place...
Forum: Q-500 Racing
04-29-2017, 12:57 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

I reinforced the landing gear area with carbon fiber cloth.

It was cut a little oversized and glued in place with medium CA. A piece of waxed paper and a finger were used to joint the carbon to...
Forum: Q-500 Racing
04-29-2017, 12:50 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

Shims of balsa were glued in place to fill the gap at the tail.

A sanding block was used to fit the parts.
Forum: Q-500 Racing
04-29-2017, 12:46 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

The wing was installed and the process to line-up the tail began.

The pictures shows that an incidence meter was installed on the wing. The fuselage was adjusted until the wing was level (zero...
Forum: Q-500 Racing
04-28-2017, 11:31 AM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

This morning I was checking to see what tank would fit the best in the model.

I tried a Jett CG tank and found that it would not easily fit.

I have several other tanks. These include:

Jett...
Forum: Q-500 Racing
04-27-2017, 07:39 AM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

The Quick V's are very good and are winning races. Good luck!
Forum: Q-500 Racing
04-22-2017, 02:17 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

The edges of all the tail surfaces were trimmed with a sanding block.

Here is a picture of all 3.
Forum: Q-500 Racing
04-16-2017, 01:07 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

The tails were removed from the peel ply.

A sanding block is used to trim the excess cloth from each tail.
Forum: Q-500 Racing
04-15-2017, 12:38 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

The parts were placed between layers of peel ply and laid on the vacuum bag (4 mil thick piece of tarp).

The vacuum line was placed next to the parts. Paper towels were placed over the parts.
...
Forum: Q-500 Racing
04-15-2017, 12:32 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

Some 3/4 ounce glass cloth was applied over the fabric. Additional finishing epoxy was spread over the surface.
Forum: Q-500 Racing
04-15-2017, 12:29 PM
Replies: 69
Views: 21,227
Posted By sahartman21

Build a Wood Q500 Fuselage

The fabric (peel ply or dress liner) was cut to fit.

Finishing epoxy was spread on the wood and then the fabric was applied.
Showing results 1 to 25 of 48
 
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