delta22
Well-Known Member
- Joined
- Jan 21, 2009
- Messages
- 1,015
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Boris,
Thanks for the on-board video from your RC glider flight.
You are very welcome.
Thank you for your mellifluous LCO'ing.
Boris,
Thanks for the on-board video from your RC glider flight.
Very cool Boris, great videos!
Bowmarc build is progressing well.
pic 1: Ordered 4x 24mm into 2.6 inch cluster centering rings from LOC.
Used these and Locktite 5 minute epoxy to install motor mounts into main body tube.
Glued together pairs of 24mm motor tubes for outboard engines.
pic 2: Epoxied (slow West epoxy) Kevlar 1/4 strap into coupler used join the two main body tube sections.
Laid 2 layers of 6 oz glass at base of strap for strong retention point.
Wrapped Kevlar with masking tape above epoxy bond point but below where the Kevlar will exit centering ring and be called on to flex.
This reduces Kevlar threads breaking at the edge of the epoxy.
pic 3: Had previously built up over sized ramjet pylons with 6" x 1/4" balsa in center and 2" x 1/4" basswood at both ends.
Expanded slots in ramjets to receive these and bonded them through the wall to pairs of 2x 24mm motor tubes.
pic 4: Wrapped both ramjet units with 2x layers of 1oz fiberglass.
pic 5: After bonding together main body tube sections, epoxied this to built-up wing assembly.
The pod pylon mount to the main body tube is a real weak spot on the stock kit even for decorative pods. But now they are going to be POWER PODS! COOL. Are you going to use the stock quarter inch launch lugs?
This will be interesting flight - especially with the thrust coming from the two pods - maybe need more than CP and CG ... Might need moment center lol. Are you worried about the push from this 4 motors might give the flight a different trajectory?
"I'm Boris."Decided to add a couple more motor tubes because:
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