News:


Advertise Here

  • September 24, 2023, 01:31:24 AM

Login with username, password and session length

Author Topic: 1/2a proto  (Read 271 times)

Offline brian sisson

  • Trade Count: (0)
  • New Pilot
  • *
  • Posts: 17
1/2a proto
« on: September 12, 2023, 08:03:19 AM »
The rules are a little confusing for me for the 1/2 a proto profile. Do you have to run a beam mount engine and seperate tank? Or can a cox with a tank be run. like a black widow? I know its prolly not the quickest engine but maybe get my feet wet. Thanks

Offline spare_parts

  • Trade Count: (0)
  • Ensign
  • **
  • Posts: 39
Re: 1/2a proto
« Reply #1 on: September 12, 2023, 08:53:55 AM »
I recently asked someone about this as I have one of those goofy Profi 0.8 radial mount with the carb offset 90. I saw a Cyclon .049 (without pipe obviously) on Henry Nelson's 1/2A Proto a couple weeks ago. The crank centerline and cylinder should still be as the rules require. It looked like a Mouse fuselage with the cylinder on the side. Also pay attention to the fairing rule, can't extend beyond 1/4 chord, which is different than Mouse.
Greg

Offline Dave Rigotti

  • 21 supporter
  • Trade Count: (0)
  • Commander
  • *
  • Posts: 296
  • "Electric...The future of anytime stunt"
Re: 1/2a proto
« Reply #2 on: September 12, 2023, 09:50:59 AM »
It will be fine. Just side mount the cylinder to be parallel to the wing leading edge outboard.
A short firewall fairing will be OK.
Keep it as light as possible and have fun!!!
Dave Rigotti
AMA 66859
Chesterland, Ohio

Offline brian sisson

  • Trade Count: (0)
  • New Pilot
  • *
  • Posts: 17
Re: 1/2a proto
« Reply #3 on: September 13, 2023, 07:37:25 PM »
Thanks fellas

Offline Motorman

  • Trade Count: (0)
  • Admiral
  • ******
  • Posts: 3171
Re: 1/2a proto
« Reply #4 on: September 14, 2023, 11:22:17 AM »
Deleted
« Last Edit: September 20, 2023, 07:11:49 PM by Motorman »

Offline brian sisson

  • Trade Count: (0)
  • New Pilot
  • *
  • Posts: 17
Re: 1/2a proto
« Reply #5 on: September 14, 2023, 07:05:29 PM »
 ;)
Anybody that protests a Cox reed engine in 1/2a proto would have to be the biggest weasle in CL speed.


Advertise Here
Tags:
 


Advertise Here