ECalderon

Hi, I also fly ate 600 mt above sea level. My landing flap is about 65º-70º and I use about 5 mm crow with elevator mix (about 2 mm up elevator) only for landing flap. I have a Jet Central Cheetah 160. For landing, on upwind I lower the gear, when it is down I go to take off flap ,and once in downwind go to landing flaps between 1/4 and half throttle depending on wind. On final I keep the throttle at about 1/4 managing altitude with throttle so that it touches down a little past me. When I know I have reached the runway I go to Idle, usually at about 2 mt altitude. Some time we have a lot of wind and to bring it in throttle on final has to be more, it slows almost to a crawl with no bad habits.

Regards
Eduardo

Dave Wilshere

If you have 2mm UP mixed with flap you are running nose heavy.
The Viper’s huge tail hides this situation well, it’s why people have been flying this aeroplane nose heavy since it was designed.

Dave

Hans Hilmar

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Hi Guys,

Very helpful tread, thanks for that! Just a quick question, what size pilot will fit this plane?

Thanks,
Hans

Asif

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I have 1/4 scale pilot from warbirdpilots.com The pilot is 15" tall and fits just fine in my Viper.
https://www.warbirdpilots.com/Search...ilot-Red-White

Hans Hilmar

My Feedback: (1)

Thank you so much!
BR. Hans

Dave Wilshere

Near 10 year old CARF Viper brought up to date. It was in quite a state when it came to me for a running issue. Cleaned and polished, new canopy, totally ripped out and re wired with Powerbox wire, Mercury fitted, changed to Core. Fuel system was rebuilt and turbine serviced at JetCat. Ready for another 10 years!

Dave Wilshere

Test flight done…does not look it’s age!

A7Bldr

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Dave, I bet by now you can test fly these "Blindfolded".
Jim

Bob_B

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Dave is that a 2m Viper Jet

Dave Wilshere

Jim

Yep…probably don’t even need to be on the airfield 🙂 Set up correctly they are just like flying a leather arm chair. The owner will be shocked when he next flies it as I moved around 12oz of batteries from the nose and put them by the fuel tank! It flies even better with a correct balance.

Bob, no CARF Viper’s are all 2.6m

damagedgoodes

Can anyone help with spar position in the wing please and how you routed the cable? I’d like to install Unilight nav/strobe units on the ends of the wings but I noticed the wing is sealed outboard of the aileron servo. I also want to make sure I’m either in front or behind the spar when I cut a slot in the wingtip. Any help would be appreciated.