Drill a hole. Fill hole with epoxy. Screw in rail button. Fly.
I e done this skipping the epoxy minutes before flight (oops, don't ask why ).
It's an aerotech Gforce. 60 inches and four inch diameter with 29mm motor mountThat depends a bit on the type of rocket. How long & heavy is it? What size motor tube is in there?
On some rockets you can attach the buttons with rubber-insulated rivet nuts, also known as well nuts. Others may require more buildup of material so you can screw the button in. If the centering rings are wood you may be able to screw a button into the side of a centering ring.
Of course, I will mention that 98mm fly-away rail guides will be available very soon, but again the appropriateness of that depends on the rocket.
Here's how I handled it on my Aerotech Arreaux. Aerotech provides an interesting opportunity due to the style of their launch lugs (I assume the G-Force uses the same ones)
View attachment 287401
What is the best way to retrofit already made rockets with rail buttons? I have a 4inch diameter bird that I'd like to put buttons on but cant access the tube due to the motor mount already being in place.
Thank you!
Look up wellnuts: https://www.ebay.com/sch/i.html?_fr...2.A0.H0.Xwellnuts.TRS0&_nkw=wellnuts&_sacat=0
or jacknuts: https://www.ebay.com/sch/i.html?_od...C0.H0.XJack+nuts.TRS0&_nkw=Jack+nuts&_sacat=0
Yeah, only good for glass birds and not minimum diameter projects.
This is for button mounting of course and there is a little bit of a standoff but if you need a higher standoff use a longer screw with a spacer.
You can melt a button off the rocket but it wll not wrench out especially with a jacknut. Kurt
Flange | ||||||||
---|---|---|---|---|---|---|---|---|
Thread | Material Thick. | Hole Size | Dia. | Ht. | O'all Lg. | Pkg. Qty. | Pkg. | |
6-32 | 1/64"-5/32" | 5/16" | 0.452" | 0.062" | 0.499" | 10 | 93495A120 | $6.34 |
6-32 | 3/8"-19/32" | 1/4" | 0.554" | 0.035" | 0.981" | 10 | 93495A110 | 7.02 |
8-32 | 1/64"-5/32" | 5/16" | 0.438" | 0.052" | 0.499" | 10 | 93495A130 | 6.71 |
10-32 | 1/64"-3/16" | 3/8" | 0.500" | 0.036" | 0.554" | 10 | 93495A180 | 7.37 |
10-32 | 3/64"-7/32" | 3/8" | 0.562" | 0.040" | 0.665" | 10 | 93495A250 | 7.00 |
10-32 | 5/16"-5/8" | 3/8" | 0.562" | 0.051" | 1.051" | 10 | 93495A190 | 8.46 |
1/4"-20 | 1/64"-3/32" | 1/2" | 0.630" | 0.051" | 0.630" | 10 | 93495A310 | 8.41 |
1/4"-20 | 1/32"-3/16" | 1/2" | 0.750" | 0.187" | 0.829" | 10 | 93495A321 | 9.87 |
1/4"-20 | 1/4"-7/16" | 1/2" | 0.635" | 0.051" | 1.051" | 10 | 93495A331 | 10.26 |
5/16"-18 | 1/64"-5/32" | 5/8" | 0.875" | 0.125" | 0.725" | 5 | 93495A431 | 12.25 |
3/8"-16 | 1/64"-7/16" | 3/4" | 1.250" | 0.187" | 1.062" | 5 | 93495A441 | 14.61 |
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