Length of Big Daddy engine spacer?

[Pat_B]

I have a Big Daddy that I just completed and am missing the engine spacer. I actually used the kit as a demo model for TARC kids to show them how through the wall fins were constructed. So my BD was partially constructed for many years. I just finally completed it and realized I had lost the engine spacer. I'm guessing the spacer might have had a length that was equivalent to the difference in length between a D and E motor, but wanted to verify that. thanks.

 

[new2hpr]

Yup, that would be 1".
-Ken

 

[Pat_B]

Thank you!

 

[BEC]

A JT-50C stage coupler will make a good stand-in adapter....or just cut a 1 inch chunk off of a spent 24mm motor casing.

 

[Pat_B]

I got lucky on my first launch in that the motor stayed in place without the adapter. I didn't know that it needed an adapter because the motor seemed to have topped out when I slid it in. The second flight had the motor shift forward and lose some thrust from being recessed too far. That decreased the altitude, and the -5 sec delay was too long. Ejection happen exactly as it hit the ground

I worked on a quick repair using fiberglass last night and got it back into pretty good shape considering I thought it was a lost cause.

 

[ThirstyBarbarian]

If you have the spent motor, you can cut a 1" section off to act as a new spacer.

 

[samb]

If you have the spent motor, you can cut a 1" section off to act as a new spacer.

(but I digress...) Trying to slip back unnoticed ? How are your feet ?

... The second flight had the motor shift forward and lose some thrust from being recessed too far. ...

(to the OP... ) Your second flight ? So the first flight was a success without the spacer ? Lucky.

 

[Pat_B]

Yeah, got lucky on the first flight. The motor was a tight fit, so it seemed to stop right where it should have when pushed in. Now that I remember properly, we got two good flights out of it before the third one that crashed.

 

[ThirstyBarbarian]

Trying to slip back unnoticed ? How are your feet ?

Ha ha! You spotted me on my first post back! There's no way to seek into this place quietly...

The feet are good. I got some blisters early on, but they healed quickly. I had an occasional sore foot, sore ankle, sore knee, sore hip, sore muscles etc., but all-in-all the hiking parts of my body held up pretty well. The biggest physical challenges were actually illness --- my wife and I both got sick at different times. She got a bad cough, chest infection and something similar to conjunctivitis and needed a round of antibiotics to clear it all up. I got a cough and a really bad sore throat that took a lot of time to go away.

Despite the difficulties, it was an incredible experience. We saw a lot of beautiful countryside, wonderful villages and cities, and incredible architecture. You can really feel the history. And we met wonderful people. That was the best part of all --- the people.

 

[samb]

Yeah, got lucky on the first flight. The motor was a tight fit, so it seemed to stop right where it should have when pushed in. Now that I remember properly, we got two good flights out of it before the third one that crashed.

Wow, double lucky. Almost sounds like you got a slightly out-of-spec 24mm motor tube with your Daddy.

 

[ThirstyBarbarian]

Yeah, got lucky on the first flight. The motor was a tight fit, so it seemed to stop right where it should have when pushed in. Now that I remember properly, we got two good flights out of it before the third one that crashed.

That was pretty lucky!

 

[samb]

Ha ha! You spotted me on my first post back! There's no way to seek into this place quietly...

The feet are good. I got some blisters early on, but they healed quickly. I had an occasional sore foot, sore ankle, sore knee, sore hip, sore muscles etc., but all-in-all the hiking parts of my body held up pretty well. The biggest physical challenges were actually illness --- my wife and I both got sick at different times. She got a bad cough, chest infection and something similar to conjunctivitis and needed a round of antibiotics to clear it all up. I got a cough and a really bad sore throat that took a lot of time to go away.

Despite the difficulties, it was an incredible experience. We saw a lot of beautiful countryside, wonderful villages and cities, and incredible architecture. You can really feel the history. And we met wonderful people. That was the best part of all --- the people.

Whoa ! I think a little pain is to be expected on the Pilgrim Walk but that sounds like a little too much divine retribution. Glad you're back, here's to the good memories.

 

[ThirstyBarbarian]

Whoa ! I think a little pain is to be expected on the Pilgrim Walk but that sounds like a little too much divine retribution. Glad you're back, here's to the good memories.

Thanks! It was amazing.