[mbauer]

Took a photo of a very important step. The Ailerons have to be built straight, to do so I needed some weights to clamp them with.

Looking around in the storage room found the perfect items.

Notice that the aileron is pressed between two plastic quilting rulers. The weights tried kept sliding off until I found these heavy bottles.

End result is a perfectly straight aileron. After the glue set-next step = purposely bent the tip to create a warped version of wing washout.

This makes the tip stall before the root allowing the model to recover from stalls eaiser as the whole wing doesn't stall.

Another thought is the controlled warping might stop the rest of the aileron from warping.

Here are some photos of the parts dry fit stage.

Waiting on the fuel line parts, stainless steel bolts & locking nuts.

Model weighs exactly 1lb 15.7 oz at this stage. [898.68gm or 0.90kg]

Parts not included in this weight:
-Pulsejet Engine (11-oz) [311.84gm]
-Fuel Valve & Lines (Approx. 3.6 oz) [102.06gm]
-Fuel Shut Off Servo (1.6oz) [45.36gm]
-Radio Reciever (1.6oz) [45.36gm]
-Gold-N-Rod Control Pushrods (Approx. 2oz) [56.7gm]
-Battery Pack (8oz) [226.8gm]
-BALANCE WEIGHT (Ouch!-Once the engine is installed a big balance weight is going to be needed-was hoping the battery and Radio Reciever would balance it, but the model is very tail heavy at this stage.)

This model has been designed for controlled flight. It is not aerobatic. The engine will stop if liquid fuel gets to it. Because this hasn't been done before, the plan was to design the model to withstand a normal 2G 60deg bank turn using just cardstock to carry the flight loads.

It would have been easy to cheat & use carbon fiber for the wing spars, longerons, etc., but the plan was to use just cardstock. It looks like it is going to work!

Once the wings have been attached with glue, the wingtips will be supported using a couple of the aileron press bottles. A 10lb [4.54kg] weight will be balanced on the fuselage over the center of gravity. If the model withstands this test, it shows that a 3.5lb [1.59kg] model (estimated completion weight) has a 2.86 G load. 10lb / 3.5lb = 2.86g

If the model handles the 10-lb ok, the next weight will be a 14.3lb barbell [6.5kg]. 14.3 / 3.5 = 4.09G load.

All that needs done is to:
1) Measure/make Pulsejet Engine mount clamps
2) Bolt Engine to model
3) Measure/bend fuel lines
4) Glue model internal structure, tailfeathers, & wings in place
5) Install Fuel Lines/Valving
6) Hook up controls to servos (Gold-n-Rod pushrods)
7) Install Battery
8) Install Radio Reciever
7) Balance Model for FLIGHT!

The engine will be test fired to make sure the fuel system works before installing into the model. If engine fires and the RC Shut Off valve works the fuel sytem will pass its test allowing installation to procede.

Model is 90% complete at this point!

Thank you for your interest in my little project!

Best regards,
Mike Bauer