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Building my own swapable Cherokee, question about thrust angle.

#1
I'm working on a design for a dollar tree foam board Piper Cherokee that utilizes the FT power pod. I'm basing the model on plans I found at Outerzone.co.uk linked below. My question, should I design the mount for the powerpod in my plane to have thrust angles similar to the angles in the plan or should I not worry too much about it on a model like this?

http://www.outerzone.co.uk/plan_details.asp?ID=2500

Work in progress design...
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earthsciteach

Moderator
Moderator
#2
You can always adjust the thrust angle by shimming washers between the x-mount and the firewall. I'd handle it that way. It may be difficult to get a "perfect" angle in the construction of the plane itself.
 

CrashRecovery

I'm a care bear...Really?
Mentor
#3
The only other way I see he can do is by adjusting the rear of the pod up or down. Only problem with that is the side of the plane will have a bunch of holes, reducing the strength in that area
 

aiidanwings

Senior Member
#4
You can always adjust the thrust angle by shimming washers between the x-mount and the firewall. I'd handle it that way. It may be difficult to get a "perfect" angle in the construction of the plane itself.

A great use for the unused prop shaft adapters we seem to accumulate.
 

Ak Flyer

Fly the wings off
Mentor
#5
The odds of the rest of the fuselage being perfect aren't great. I'd go with a normal pod and adjust later with shims like the guys are saying.
 

RoyBro

Senior Member
Mentor
#6
Looks very nice. What program are you using for the modeling?

I'd very much like to see the final plans when you're finished.

Good Luck.

RB
 
#7
Looks very nice. What program are you using for the modeling?

I'd very much like to see the final plans when you're finished.

Good Luck.

RB
I come from a CG background so I actually use a polygonal/subd modeler called Silo. I'm learning Solidworks which makes more sense for designing these models, but since I already know Silo/Maya I use those currently. I'll post the model to Turbosquid or something for free when I'm done, but it'll probably be .OBJ, not super CAD-friendly.

http://www.nevercenter.com/silo/
 
#12
I've built the wing and tail so far. I'm waiting to get my motor and battery before doing the fuse so that I can make sure my setup will work correctly. _DSC0001.JPG _DSC0002.JPG _DSC0003.JPG _DSC0004.JPG _DSC0005.JPG _DSC0007.JPG IMG_3358.JPG
 
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#19
Thanks everyone! I'm not sure about the landing gear. Probably just fly it and belly land it on grass for now. I made a few mistakes with this one, so I will correct those in my plans if I build another and those plans will have gear.

I just got all my components and my transmitter programmed last night! Yay! Ready to fly, except all this rain in Michigan right now.

http://youtu.be/Elf0ap5clrk