My theory is that no certified plane I know of has a spring to open the throttle, so I don't need one on my experimental either. If I did put on a spring it would be a weak one and connect to the throttle linkage arm. I also believe in good aircraft type of throttle controls with no play in the system so the throttle stays where I put it.
-------- Original Message -------- Subject: KR> Wide Open Throttle (WOT) Spring From: Sid Wood via KRnet <krnet at list.krnet.org> List-Post: krnet@list.krnet.org Date: Thu, June 18, 2015 4:56 pm To: <krnet at list.krnet.org> Cc: Sid Wood <smwood at md.metrocast.net> I have a Zenith carburetor on my 2180 VW. I installed a WOT spring on the throttle plate shaft that would open the throttle in case the the throttle control linkage disconnected for whatever reason. The logic is to have the engine run full RPM rather than idle for a forced landing with no throttle control. Engine operation could be managed by switching the ignition on and off. Backfires something terrible when I do that. Question: How often do throttle linkages break? What prompts the question is: The WOT spring on my carb is holding the throttle plate a little open so that I cannot get down to 800 RPM idle. I disconnected the spring and everything works OK. Sid Wood Tri-gear KR-2 N6242 Mechanicsville, MD, USA _______________________________________________ Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org please see other KRnet info at http://www.krnet.org/info.html see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options
